USB-MCA-AMP
APG7305B
Instruction Manual

Version 1. 3. 5
Aug. 2024

TechnoAP Co., Ltd.
2976-15 Mawatari, Hitachinaka-shi, Ibaraki, 312-0012, Japan
TEL: +81-29-350-8011
URL: http://www.techno-ap.com

FAX: +81-29-352-9013
E-mail: info@techno-ap.com

APG7305B Software Manual

Safety Precautions / Disclaimer
Thank you very much for purchasing the USB-MCA-AMP, Model: APG7305B (hereinafter "This device") ofTechnoAP Co., Ltd. (hereinafter "We"). Please read this "Safety Precautions / Disclaimer" before using this device, be sure
to observe the contents, and use it correctly.
We are not responsible for any damage caused by abnormality of device, detector, connected device,
application, damage to failure, other secondary damage, even if accident caused by using this device.

Prohibited matter- Cannot be used for applications that require special quality and reliability related to human life andaccidents.
- Please refrain from using in places with high temperature, high humidity and vibration (excluding
countermeasures).
- Do not apply power that exceeds the rating.
- Do not turn on the board product with other metals in contact with the board surface.

Cautions- If there is smoke or abnormal heat generation, turn off the power immediately.
- It may not work properly in a noisy environment.
- Be careful of static electricity.
- Product specifications and related documents are subject to change without notice.

Warranty conditions
The warranty conditions for "our products" are as follows.
- Warranty period: One year after purchase.
- Warranty details: If the product breaks down during use within the warranty period, it will be repaired or replaced.
- Not covered by warranty: We do not guarantee if the cause of failure falls under any of the following.
(A) Use other than the original usage of "our products"(B) In addition to the above, causes other than "our company" or "our products" (including force majeure such as
natural disasters)(C) Consumables, etc.

2TechnoAP Co., LtdAPG7305B Software Manual- Contents 1． Overview ........................................................................................................................................................................................ 4
2． Specifications................................................................................................................................................................................. 5
3． Appearance ................................................................................................................................................................................... 6
4． Setup .............................................................................................................................................................................................. 7
4．1． Connection .......................................................................................................................................................................... 7
4．2． Installation of the driver software....................................................................................................................................... 8
4．3． Installation of the application software............................................................................................................................ 16
5． Application screen....................................................................................................................................................................... 19
5．1． Startup screen................................................................................................................................................................... 19
5．2． Quit screen ........................................................................................................................................................................ 21
5．3． config tab............................................................................................................................................................................ 225．4． file tab ................................................................................................................................................................................. 26
5．5． calibration tab .................................................................................................................................................................... 27
5．6． Graph ................................................................................................................................................................................. 29
6． Measurement .............................................................................................................................................................................. 31
6．1． Histogram mode ............................................................................................................................................................... 31
6．2． Waveform mode ............................................................................................................................................................... 32
6．3． Measurement stops.......................................................................................................................................................... 32
7． File ................................................................................................................................................................................................ 33
7．1． Histogram data file............................................................................................................................................................ 33
7．2． Waveform data file............................................................................................................................................................ 35
8． Functions...................................................................................................................................................................................... 36
8．1． Data acquisition by external GATE input signal timing ................................................................................................ 36
8．2． Data discard by external VETO signal timing ............................................................................................................... 36
8．3． Calculation method of FWHM (half width)..................................................................................................................... 37
8．4． Calculation of gross count and net count....................................................................................................................... 38
8．5． Calculation method of two-point calibration................................................................................................................... 39
9． Gauss-fit ....................................................................................................................................................................................... 40
9．1． Startup screen................................................................................................................................................................... 40
9．2． On-line................................................................................................................................................................................ 42
9．3． Off-line ................................................................................................................................................................................ 43
9．4． Notes .................................................................................................................................................................................. 44
9．5． End ..................................................................................................................................................................................... 44
10． Peak search .............................................................................................................................................................................. 45
10．1． Startup screen................................................................................................................................................................. 45
10．2． On-line.............................................................................................................................................................................. 47
10．3． Off-line.............................................................................................................................................................................. 48
10．4． Notes................................................................................................................................................................................ 49
10．5． End ................................................................................................................................................................................... 49

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TechnoAP Co., LtdAPG7305B Software Manual

1．Overview
USB-MCA-AMP (One-channel Multi Channel Analyzer with built-in spectroscopy amplifier) Model: APG7305B(hereinafter this device) is connected to a semiconductor detector, proportional counter, scintillation detector, etc. is an MCA
that can directly input the preamp output signal. This device is equipped with a traditional analog circuit spectroscopy
amplifier function, and parameters such as shaping time, gain and pole zero are set from the application on the PC. Basedon the setting, the peak value is calculated by digital signal processing of semi-Gaussian waveform shaping. It does not use
an AC adapter for power. A lightweight and compact MCA that operates only with USB bus power.
There are usually two operations related to measurement: histogram mode and waveform mode.
In the histogram mode, spectral data is generated with energy wave height values such as keV on the horizontal axis andcounts on the vertical axis. In waveform mode, input signal such as detector preamplifier output to this device, timing
processing signal (fast), semi-Gaussian waveform (slow) to PC. It can be used for gain or pole zero adjustment.
The software that comes with this device is driver software and applications that run on Windows.
This manual explains the handling of this device.

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2．Specifications
Product name: USB-MCA-AMP
Model: APG7305B* Same as the attached application name* Including products with alphabets following the model

Analog Input

1 channel

Input range±1.5V * Preamplifier output signal

Waveform processing

Semi-Gaussian peaking time 2.2 τ

Shaping time

0.25, 0.375, 0.5, 0.75, 1, 1.5, 2, 3, 4, 5, 6, 8, 10 μs

Baseline restorer

Auto active gate

Gain

x 1 to x 500

ADC Gain

4096, 2048, 1024, 512, 256 channel

Peak detection mode

Absolute pulse

Throughput

50 kcps or more

Integral nonlinearity± 0.025% or less

Derivative non-linearity± 1% or lessThreshold0 to 50% Full-scale from PC

ADC LLD

0 to 100% Full-scale from PC

ADC ULD

0 to 100% Full-scale from PC

External input

GATE and VETO

Operation mode

Histogram and Waveform
USB 2.0, USB mini-B, Plug: Receptacle* Connect this device to a USB port capable of supplying power of USB 3.0 or more
and 0.6A or more. If the power supply capacity of the USB 2.0 port is 0.5A, it may not

Communication I / F

work properly or may cause a failure.
* USB cable length of 2 m or less is recommended. In the case of laptop PC, pleasecancel if there is a low power consumption setting in the USB port or use a USB hub
with power supply by AC adapter. Some USB hubs may require a ground connection
with the detector or PC.

Software

Windows OS version, Application USB-MCA-AMP software and Driver software

Dimension

70 (W) x 160 (D) x 20 (H) unit: mm

WeightAbout 230g
ManualAccessories

CD-ROM for Driver and Application software installation
USB cable * Cable with USB (A) male and USB (Mini-B) male connectors

5TechnoAP Co., LtdAPG7305B Software Manual

3．Appearance

1

3

4
Image. 1 APG7305B

2

5
6

Front
1

INPUT

LEMO (EPL.00.250.NTN) connector for preamplifier signal input

2

OUTPUT

LEMO (EPL.00.250.NTN) connector for signal processing result selection DAC output

Back
LEMO (EPL.00.250.NTN) connector for external GATE signal input. Input LV-TTL level signal.

3

GATE

4

VETO

5

PWR

LED lights up when the power is on (connected to a PC).

6USB

USB 2.0 Mini-B receptacle (female)

Input HIGH for data acquisition, LOW for data not acquired.
LEMO (EPL.00.250.NTN) connector for external VETO signal input. Input LV-TTL level signal.
Input HIGH for data not acquired, LOW for data acquisition*Conversion adapter
For the signal input connector to this device, use LEMO, EPL.00.250.NTN or a connector of equivalent shape. Whenusing a signal cable with a BNC connector, it is possible to connect to this device by using the following conversion
adapter.
Manufacturer: HUBER+SUHNER
Model: 33_QLA-BNC-01-1/1--_NE
Specifications: QLA-01 to BNC

Connector Gender 1: Interface QLA-01
Connector Gender 2: Interface BNC
Image. 2 33_QLA-BNC-01-1/1--_NE

If the adapters interfere with each other, use the LEMO-BNC conversion cable as shown in the photo below.

Image. 3 LEMO-BNC conversion cable
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TechnoAP Co., LtdAPG7305B Software Manual

4．Setup
4．1．Connection
USB-MCA-AMP
USB
DETECTOR

INPUT

設定

DSP

データ

PC
USB-MCA-AMP
SoftwareGATE
OUTPUT

VETO

Fig. 1 Connection when using MCA

1Connect USB-MCA-AMP and PC with the supplied USB cable.
NOTE: It is necessary to install the driver software on the PC to be connected for the first time. See below
for how to install the driver software.
NOTE: Do not connect the signal cable from the detector when the power of this device is OFF.

2

Check that the "PWR" LED lights up to indicate that the power is on.

3Connect the preamp output signal of the detector (DETECTOR shown above) to the "INPUT" of this device.

4

If control by an external signal is required, input the LV-TTL level to the GATE or VETO terminal. When a peak isdetected with a cable connected to the GATE terminal, data is acquired when the signal is open or high. Or when
detecting a peak with a cable connected to the VETO terminal, data is acquired when the signal is open, or thesignal is low.

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4．2．Installation of the driver software
The first time you connect this device to the computer, you need to install the driver software from the included CD-ROM.

For Windows 7(1) REQUIRED Log in as Administrator or log in as an account with administrator privileges.
(2) Connect this device to a PC with a USB cable.
(3) "Installing device driver software" is displayed at the bottom right of the desktop.

After this, if the message "The device driver software was not installed correctly" is displayed, open the device manager,
and check the "USB-MCA-AMP" icon. Right-click on the icon and click "Update Driver Software".

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TechnoAP Co., LtdAPG7305B Software Manual(4) Proceed with the installation interactively.

Refer to the attached CD "Driver" folder

Next, install "Techno AP USB-MCA-AMP Option". After installing the "Techno AP USB-MCA-AMP" driver software, installthe "Techno AP USB-MCA-AMP Option" using the same procedure. In Device Manager, check that the two icons "Techno
AP USB-MCA-AMP" and "Techno AP USB-MCA-AMP Option" are normal. After successfully installing the driver software,
install the application. The installation procedure is described in the next chapter.

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For Windows 8 (64bit)
In Windows8 (64bit), driver software without a digital signature cannot be installed by default to prevent users from
accidentally installing driver software. This driver software does not have a digital signature, so you need to "disable driver
signature enforcement" by following the steps below before installing.
(1) Display the charm on the start screen
・ For mouse operation: Move the mouse to the upper right or lower right corner of the screen.
・ For touch operation: Swipe from the right side of the screen toward the center.
(2) Select "Settings" from the charms and select "Change PC settings" from the settings menu.

(3) Select "General" from the "PC Settings" screen, and then select "Customize PC startup"-"Restart now".

(4) Select "Troubleshooting" from the "Choose Options" screen, and select "Advanced Options" from the"Troubleshooting" screen.

10

TechnoAP Co., LtdAPG7305B Software Manual(5) Select "Startup Settings" from the "Advanced Options" screen, and then select "Restart" from the "Startup Settings"
screen.

(6) After restarting, press the "7" key on the "Startup Settings" screen and select "7) Disable driver signature
enforcement".

(7) REQUIRED After rebooting, log in as Administrator or log in with an account with administrator privileges.
(8) Connect USB-MCA-AMP to your PC with a USB cable.
(9) Right-click on the Start screen to display the "Apps Bar", select "All Apps", and then select "Control Panel" from the"Apps" view.

(10) Select "Device Manager" from "Control Panel" to display "Device Manager".

11

TechnoAP Co., LtdAPG7305B Software Manual(11) Right-click "USB-MCA-AMP", select "Update Driver Software (P)", and select "Browse my computer for driver
software (R)".

(12) When the "Update Driver Software" screen is displayed, select "Browse (R)", and when the "Browse for Folder"
screen is displayed, select the drive where the "USB-MCA-AMP" driver software is stored. Select OK. When you
return to the "Update Driver Software" screen, select "Next (N)".

(13) When the "Windows Security" screen appears, select "Install this driver software (I)". When the message "Driver
software has been updated successfully" is displayed, select "Close (C)".

(14) When "Techno AP USB-MCA-AMP" is displayed on the "Device Manager" screen, right-click the remaining "USBMCA-AMP" and repeat from (11) to update the remaining driver software.

(15) The "Techno AP USB-MCA-AMP Option" is displayed on the "Device Manager" screen, and the driver software
installation is complete.

12TechnoAP Co., LtdAPG7305B Software Manual

For Windows 10 (64-bit)
In Windows 10 (64-bit), driver software without digital signature cannot be installed by default to prevent the user frominstalling driver software by mistake. Since this driver software does not have a digital signature, it is necessary to "disable
force driver signature enforcement" before installing it according to the following procedure.

(1) Click the "Windows" markat the bottom left of the screen to display the "Start Menu".
(2) Select "Settings" from the start menu and select "Change & Security" from the settings menu.

(3) On the "Change and Security" screen, select "Recovery" and select "Customize PC Startup" and "Restart Now".

(4) Select "Troubleshooting" on the "Select Option" screen and select "Advanced Option" on the "Troubleshooting"screen.

(5) Select "Startup Settings" on the "Advanced Options" screen and select "Restart" on the "Startup Settings" screen.

13

TechnoAP Co., LtdAPG7305B Software Manual(6) On the "Startup Setting" screen after rebooting, press the "7" key and select "7) Disable Force Driver Signing".

(7) REQUIRED After rebooting, log in as Administrator or log in with an account with administrator privileges.
(8) Connect USB-MCA-AMP to PC with USB cable.
(9) Right-click the "Windows" markManager".

at the bottom left of the screen to display "Menu", and select "Device(10) Right-click "USB-MCA-AMP", select "Update Driver Software (P)", and select "Browse my computer for driver
software (R)".

(11) When "Update Driver Software" screen is displayed, select "Reference (R)", and when "Browse Folder" screen isdisplayed, select the drive where the driver software of "USB-MCA-AMP" is stored. Select when you return to the"Update Driver Software" screen, select "Next (N)".

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TechnoAP Co., LtdAPG7305B Software Manual(12) When the "Windows Security" screen is displayed, select "Install this driver software (I)". When "Driver software has
been updated successfully" is displayed, select "Close (C)".

(13) When "TechnoAP USB-MCA-AMP" is displayed on the "Device Manager" screen, right-click the remaining "USBMCA-AMP", repeat from (11), and update the remaining driver software.

(14) If "TechnoAP USB-MCA-AMP" is not displayed on the "Device manager" screen, select "Show hidden devices" from
"Display" in the device menu.

(15) The “TechnoAP USB-MCA-AMP Option” is displayed on the “Device Manager” screen, and installation of the driver
software is complete.

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TechnoAP Co., LtdAPG7305B Software Manual

4．3．Installation of the application software
After the driver software has been successfully installed as described in the previous chapter, you need to install the USBMCA-AMP application (the executable file) and the LabVIEW runtime engine, which is the development environment. The
installer on the included CD contains the USB-MCA-AMP application and the LabVIEW runtime engine, which can beinstalled at the same time. The installation procedure is as follows.

For Windows 7 * Same for Windows 8(1) REQUIRED Log in as Administrator or log in as an account with administrator privileges.
(2) Execute "setup.exe" in the "Application" folder in the attached CD. Proceed with the installation interactively.

(3) Execute "Start Button"-"Techno AP"-"USB-MCA-AMP".
(4) The application "USB-MCA-AMP" will start.
If the "connection error" dialog is displayed immediately after startup, check whether the device is properly connected to the
PC and whether the device is recognized by the device manager.

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TechnoAP Co., LtdAPG7305B Software Manual

For Windows 10(1) Select "Setup.exe" in the "Application" folder in the supplied CD. Select "Manage" in the application tool of the menu
and select "Run as administrator".

(2) Run "Setup.exe" in the "Application" folder in the supplied CD. Proceed with the installation interactively.

(3) Display the computer restart, click the "Restart" button to restart.

17

TechnoAP Co., LtdAPG7305B Software Manual(4) Right-click the "Windows" mark"TechnoAP"-"USB-MCA-AMP".

at the bottom left of the screen to display "Menu" and execute "All apps"-(5) The application "USB-MCA-AMP" starts up.
If a "connection error" dialog is displayed immediately after startup, check if the device is correctly connected to the PC or if
the device manager recognizes the device.
* Uninstall
To uninstall, select "USB-MCA-AMP" from "Settings"-"System"-"Apps and Features" and select "Uninstall".

"Uninstall this application and its related information will be stalled easily" is displayed. Select "Uninstall".

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TechnoAP Co., LtdAPG7305B Software Manual

5．Application screen
5．1．Startup screen
Execute in order of start button, “TechnoAP”, “USB-MCA-AMP”. Alternatively, if you execute the shortcut icon "USB-MCAAMP" on the desktop, the following startup screen will be displayed.

Fig. 2 Startup screen of USB-MCA-AMP
Menu section
File - open config

Reading the configuration file

File - open histogram

Reading histogram data file

File - open wave

Reading waveform data file

File - save config

Save the current settings to a file

File - save histogram

Save current histogram data to file

File - save wave

Save waveform data to file

File - save image

Save this device screen as PNG format image

File - quit

Terminate this application

Tool - gauss fit analysis

Open gauss fit screen. Performs Gaussian fitting on the specified peak and performs halfvalue width analysis, etc.

Tool - peak search analysis

Open peak search screen. Perform peak detection on histogram data and perform halfvalue width analysis, etc.

ConfigSend all settings to this device

Clear

Initialize histogram data in this device

Start

After sending all settings to this device, send measurement start to this device

Stop

Send measurement stop to this device
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TechnoAP Co., LtdAPG7305B Software Manual

Tab section
configMeasurement settings

file

File settingscalibration

Settings such as ROI (Region Of Interest) for energy calibration

Information section
mode

Display "histogram" and "wave"

meas. mode

Measurement mode. Display "real time" or "live time"meas. time

Set measurement timereal time

Real time (actual measurement time)

live time

Live time (effective measurement time). Real time minus dead time (see below)
Dead time (invalid measurement time). real time minus live timedead time

This is the dead time from when the input signal exceeds "threshold" (described later) towhen a peak is detected, and its peak value is determined.

output rate (cps)Number of counts per second between LLD and ULD, secured as a peak

ROI section
Display the calculated result between ROIs for each channel.
peak (ch)Channel with maximum countcentroid (ch)Center value (ch) calculated from the sum of all counts

peak (count)

Maximum countgross (count)

Sum of counts between ROIs

gross (cps)Sum of counts between ROIs per secondnet (count)

Sum of counts minus background between ROIs

net (cps)

Sum of counts minus background between ROIs for 1 second

FWHM (ch)Half width (ch)FWHM (%)

Half width / Peak value * 100

FWHM

Half width

FWTM

1/10 the width of the peakacq. LED

Blinks during measurement

save LED

Lights up while saving data

cal LED

Lights up while calculating data between ROIs

error LED

Lights up when an error occurs

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5．2．Quit screen
To exit the application, click "File" and then "quit" on the menu bar. After execution, the following confirmation screen forending is displayed.

Fig. 3 Quit confirmation window
Click the "quit" button to finish. After execution, the application screen disappears and ends.

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5．3．config tab

Fig. 4 config tabmeasurement section

Operation mode selection
histogram
mode

Store the preamp signal peak value on up to 4096 channels. A histogram with energy
on the horizontal axis and counts on the vertical axis is created.
Displays the waveform of the input signal (such as the preamplifier output from thewave

detector) to this device, the timing processing signal (fast) inside this device, and thesemi-Gaussian waveform (slow) preamplifier signal.

Select "real time" or "live time" as the measurement mode.
meas. mode

real time
live time

Measures preset time data.
It measures until the effective measurement time (the difference between real time anddead time) reaches a preset time.

Measurement time setting. The setting range is 0 to 192 hours (8 days). When set to 0, there is nomeas. timestop by the measurement time, and even if it exceeds 192 hours, the measurement is continued until
you click "Stop" on the menu bar.

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amplifier section

polarity

Input signal polarity selection. Select “positive” for positive polarity and “negative” for negative polarity.
Selection of course gain. For the analog input signal, select from “× 1”, “× 2”, “× 5”, “× 10” and amplify
by the magnification. The recommendation is "× 1", but if the wave height of the input signal is small,coarse gainincrease it to "× 2" or more. As described later, select “input” in “DAC monitor”, display the signal fromthe OUTPUT terminal with an oscilloscope, and set so that it can be settled within 2 V without
saturation.

fine gain

Fine gain setting. Multiply the generated semi-gaussian waveform.
The status of the input signal or signal processing acquired by this device is analog output from the
OUTPUT terminal on the front panel. The waveform to be output is selected from one of "input", "slow"
and "fast". Make sure that all are within 2 V and not saturated.

DAC monitor

Detector signal and input,

Detector signal and slow,

Detector signal and fast

Set the threshold for the waveform acquisition start timing. The unit is digit. The setting range is 0 to
4095. Set to a value less than or equal to LLD. Triggers peak detection and AD conversion when the
waveform shaping input signal exceeds the threshold setting value. If you set this setting too high, youwill not get low energy peak values. Conversely, if the setting is too small, noise will be spread out. If"ADC gain" is "4096", set "threshold" and "LLD" to about 100 at first. While looking at the "output rate"
and the histogram, gradually lower it to determine the boundary between noise that increases in value
and use the value slightly higher as the threshold.

Peak detection (abs) timing
thresholdthreshold
Waveform processing input signal

Peak detection (fast) timing
Fig. 6 threshold and peak detection (abs) timing

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Performs semi-Gaussian waveform shaping on the preamp output signal to improve S / N.
The setting value is selected from the following.
0.25, 0.375, 0.5, 0.75, 1, 1.5, 2, 3, 4, 5, 6, 8, 10 μs
The shaping time constant (peaking time) is 2.2τ (tau). If you change the settings, you also need tochange "pole zero" described later. By clicking on the "ok" button in the following dialog that appears
shaping time

when changing this setting, you can see the standard value of pole zero.

Fig. 7 Dialog asking for confirmation of pole zeroThis setting is for the end of the semi-Gaussian shaped signal. The default value is 6600 (whenshaping time is 6 μs). Select slow in wave mode or DAC monitor and check the output signal of the
OUTPUT terminal with an oscilloscope. Adjust this value so that it is flat if there is an overshoot orundershoot as shown below.

pole zeroFig. 8 Correct (Left: wave mode, Right: OUTPUT terminal slow output, pole zero at 6600)

Fig. 9 Overshoot (Left: wave mode, Right: OUTPUT terminal slow output, pole zero at 6600)

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TechnoAP Co., LtdAPG7305B Software ManualFig. 10 Undershoot (Left: wave mode, Right: OUTPUT terminal slow output, pole zero at 6600)
wave section

wave threshold

The threshold for the preamp output signal at the start of waveform acquisition.
Acquire a waveform that exceeds this value.

MCA section
ADC gain. Select from 4096, 2048, 1024 and 512 channels. The maximum non-saturating rangeof the waveform shaped signal is divided by the channels described above. For high energy
ADC gainresolution detectors such as HPGe semiconductor detectors, selecting 4096 allows you to acquire
data with finer resolution. However, when the count is low, it takes time to acquire the peak. Since
the energy resolution of NaI (Tl) scintillation detectors etc. is slightly inferior, if it cannot be divided
finely, 4096 channels etc. are set.

LLD

ULD

Set the energy LLD (Lower Level Discriminator). The unit is ch. Channels below this threshold are
not counted. Set to a value greater than threshold and less than ULD.
Set the energy ULD (Upper Level Discriminator). The unit is ch. Channels above this threshold are
not counted. Set to a value larger than LLD.

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5．4．file tab

Fig. 11 file tabhistogram section

Set the absolute path of the histogram data file.
NOTE
It is not saved with this file name, but based on this file name, it has the following format.
histogram file path

As an example, set "C: ¥ Data ¥ histogram. Csv" in "histogram file path" and "10" in"histogram file save time (sec)", and the date and time is 2015/12/23 12: 34:00.
If so, start saving data with the file name "C: ¥ Data
¥ histogram_20151223_123400.csv".
After 10 seconds, save the file as "C: ¥ Datahistogram_20151223_123510.csv".

histogram stop save

The histogram data is saved to a file at the end of measurement.
The file save destination is the same as the above format.
Set whether to save histogram data to a file at set time intervals.

histogram continuous save

NOTE
Depending on the processing status, the save interval may be shifted.
Used for simple backup.

histo file save time (sec.)

Set the time interval for continuous storage of histogram data. The unit is seconds.
The setting range is 5 seconds to 3600 seconds.

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5．5．calibration tab
Set ROI (Region Of Interest) and energy calibration. By setting the ROI to the spectral peak, the peak count number andhalf width are calculated.

Fig. 12 calibration tab
ROI section

ROI CHROI start

ROI endSelect the channel number of ROI target.
Up to 8 ROIs can be set for one channel signal
Set the start position of the ROI.
The unit depends on the energy calibration situation.
Set the end position of the ROI.
The unit depends on the energy calibration situation.
Defines the energy value of the peak position (ch). For Co-60, set this to 1173 or 1332. When "ch"peak (ch)is selected in the next "calibration" section, a peak between ROIs is detected, and keV / ch is
calculated from the peak position (ch) and the set energy value, and the calculation result of thehalf width It becomes.

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calibration section

Type of calibration

Select the unit of the X axis from the following four.

chUnit display of Ch (channel). Units such as ROI “FWTM” “FWHM” are arbitrary.
Unit display of eV. Calculate the slope a and intercept b of the linear function y = ax + b so that cheV

becomes eV by two-point calibration of two types of peaks (center value) and energy value in one
spectrum, and set as the X axis You The unit such as "FWTM" of "FWTM" of ROI is "eV".
Unit display of keV. Calculate the slope a and intercept b of the linear function y = ax + b so that ch
becomes keV by two-point calibration of two types of peaks (center value) and energy value in one

keV

spectrum, and set as the X axis You The unit such as "FWTM" of "FWTM" of ROI is "keV".
As an example, if there are 1173.24keV of Co-60 in 5717.9ch and 1332.5keV of Co-60 in 6498.7ch,
a is calculated automatically as 0.20397 and b as 6.958297 from 2-point calibration.

manualSetting of slope a, intercept b and unit label of linear function y = ax + b.
Set at “manual a”, “manual b” and “unit” as needed and use for energy calibration.
Select the target ROI number for energy or time calibration. The “centroid” and “peak” next to theright show the center value of the selected ROI and the energy value being set. For example, when

ROI

"ROI1" and "none" are selected, one-point calibration is performed using the peak center value of
ROI1 and the preset "peak". When “ROI1” and “ROI2” are selected, 2-point calibration is performed
using the peak center values of ROI1 and ROI2 and the preset “peak”.

manual a and b

The slope of the linear function y = ax + b is displayed as a, and the intercept as b to create thegraph of the energy calibration calculation result.
Perform energy calibration according to the type of calibration. The slope a and the intercept b of
the linear function y = ax + b applied to the horizontal axis of the graph after execution are calculated
and displayed in the lower "a" and "b". For the calculation method, refer to “7.7. Calculation methodof 2-point calibration” below.
For example, select "keV" in the "calibration" section as shown in the figure below, and click the"calibration" button. Each peak will be each from the "centroid" and "peak" values of "ROI1" and"ROI2". The energy calibration is performed to obtain the energy value of, and the horizontal axis
unit of the graph, the setting value of the ROI, and the unit of the calculation result of the ROI arealso "keV".

Calibration button

Fig. 13 When "keV" is selected in the calibration section
Left: before energy calibration, Right: after energy calibration

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5．6．Graph
spectrum graphcursor x
cursor y
Plot legend

X axis range

Y axis range

In histogram mode, the horizontal axis is energy, and the vertical axis is count histogram.
Set the position of the dotted line cursor in the graph. The count value on the spectrum atthe set position is displayed in “cursor y”.
Set the position of the dotted line cursor in the graph. To set the cursor X direction, use“cursor x” or drag and drop the cursor.
Set the graph color, line type, etc. You can switch between showing and hiding in thesubmenu on the graph.
Right-click on the X axis and select "Auto scale" to make it auto scale. When deselected,
auto scaling is canceled, and the X axis minimum and maximum values are fixed. If you
want to change the minimum or maximum value, place the mouse pointer over the number
you want to change and click or double-click to change it.
Right-click on the Y axis and select "Auto scale" to make it auto scale. When deselected,
auto scaling is canceled, and the Y axis minimum and maximum values are fixed. If you
want to change the minimum or maximum value, place the mouse pointer over the number
you want to change and click or double-click to change it.
In the X-axis, set whether auto-scaling, accuracy, mapping (linear / logarithm).

In the Y-axis, set whether auto-scaling, accuracy, mapping (linear / logarithm).

Fig. 14

Histogram graph LEFT: linear in vertical axis mapping mode, RIGHT: logarithmic
Displays the input waveform, semi-Gaussian processed waveform, and timing processed
waveform. It is possible to adjust gain and pole zero while checking the semi-Gaussian
processed waveform.

wave graphFig. 15

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Waveform graph

TechnoAP Co., LtdAPG7305B Software Manualaccumulation

Overlapping enable / disable setting. When ON, the waveform is displayed bysuperimposing the last 16 times read last time.
It is a cursor movement tool. The cursor can be moved on the graph when setting the ROI.
Zoom. Click to select and execute the following 6 types of zoom in and zoom out.
1

2

3

4

5

6

Fig. 16 Graph, tools for zoom-in and zoom-out
1. Square: Use this option to click a point on the display that you want to be a corner of thezoom area and drag the tool until the rectangle occupies the zoom area.
2. X-Zoom: Zooms in on the area of the graph along the x-axis.
3. Y-Zoom: Zooms in on the area of the graph along the Y axis.
4. Fit zoom: Auto scale all X and Y scales on the graph.
5. Zoom out around the point: Click the center point to zoom out.
6. Zoom in around the point: Click the center point to zoom in.
Pan tool. You can grab the plot and move it over the graph.

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6．Measurement
6．1．Histogram mode
1

Select "histogram" in "mode" in "config" tab. “histogram” is displayed for “mode” in the "Information" section.
Click "Clear" on the menu bar. The histogram data in this device is initialized.

2

If you want to continue the previously measured histogram or measurement results, start the next measurement
without clicking "Clear".

3

Click “Start” on the menu bar to start measurement after all settings have been sent to this device.
After starting measurement, transition to the following state.
-"acq" LED blinks.

-

The measurement status is displayed in the "Information" section.

-

Real time acquired from this device is displayed in "real time".

-

The "live time" of each channel will display the live time acquired from this device.

-

The dead time obtained from this device is displayed in "dead time" of each channel.

-

For “ROI” for each “ROI No.”, center value, gross count (total within range) and rate, net count (total within
range total minus background) by setting “ROI range” in “calibration” tab Calculation results such as net
count), rate, half width, 1/10 width etc are displayed.

-

The graph displays the histogram of the peak value on the horizontal axis.

4Fig. 17 Histogram mode measurement screen

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6．2．Waveform mode
1

It is used to check the input waveform and signal processing waveform before histogram mode measurement.

2

Select "wave" in "mode" in the "config" tab. “wave” is displayed for “mode” in the "Information" section.

3

Click “Start” on the menu bar to start measurement after all settings have been sent to this device.
After starting measurement, transition to the following state.
-"acq" LED blinks.

-

The measurement status is displayed in the "Information" section.

-

Real time acquired from this device is displayed in "real time".

4

Fig. 18 Waveform mode measurement screen

6．3．Measurement stops
When "meas. Mode" is "real time", the measurement ends when "real time" reaches "meas. Time".
When "meas. Mode" is "level time", the measurement ends when the latest "live time" reaches "meas. Time".
Click “Stop” on the menu bar to stop during measurement. Stop measurement after execution.

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7．File7．1．Histogram data file
1

File format

Text format separated by comma (csv)

2File nameCreate arbitrarily

Configuration

3[Header]

Header section

memo

Memo

meas. mode

Measurement mode. Real time or live time.

meas. Time (sec)

Measurement time. Unit is seconds

real time (sec)Real time per channel. Unit is seconds

live time (sec)Live time per channel. Unit is seconds

dead time (sec)

Dead time per channel. Unit is seconds

start Time

Measurement start date timeend Time

Measurement end date timemode

Histogram or wave

polarity

Polaritycoarse gain

Coarse gain

fine gain

Fine gain

shaping time

Shaping timepole zero

Pole zero

wave threshold

Wave threshold

ADC gain

ADC gainthresholdThreshold

LLD

Energy LLD

ULD

Energy ULD

peak detect

Peak detection method (abs.)

cursor x (any)Cursor position for acquiring histogram count value. The unit is displayed on the X-axis in
the graph.

cursor y (count)

Cursor position and count value on the histogram[Calculation]

Calculation section, NOTE: The following is saved for each ROIROI No.

Input channel number targeted by ROI.

ROI start (ch)ROI start position (ch.)

ROI end (ch)ROI end position (ch.)

peak (any)Definition energy value of peak between ROI

peak (ch)Peak position between ROIs (ch.)

centroid (ch)Center position between ROIs (ch.)

peak (count)

Maximum peak count between ROIs

gross (count)

Sum of counts between ROIs

gross (cps)

1 second gross (count)

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TechnoAP Co., LtdAPG7305B Software Manualnet (count)

Sum of counts minus background between ROIs

net (cps)

1 second net (count)

FWHM (ch)Half-width between ROIs (ch)FWHM (%)

Half-width between ROIs (%)

FWHM (any)Half-width between ROIs (keV etc)

FWTM (any)

1/10 width between ROIs (keV etc)

[Status]

Status section

output rate (cps)Number of events processed per second[Data]

Data section

X-axis data (channel or eV, keV, arbitrary), histogram data. Up to 4096 points.

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7．2．Waveform data file
This is the format of the data file saved in waveform mode.

1

File format

Text format separated by comma (csv)

2File nameCreate arbitrarily

Configuration

3[Header]

Header section

memo

Memo

meas. mode

Measurement mode. Real time or live time.

meas. time (sec)

Measurement time. Unit is seconds

real time (sec)Real time per channel. Unit is seconds

live time (sec)Live time per channel. Unit is seconds

dead time (sec)

Dead time per channel. Unit is seconds

start time

Measurement start date timeend time

Measurement end date time

mode

More. wave

polarity

Polarity if input signal

coarse gain

Coarse gain

fine gain

Fine gain

shaping time

Shaping timepole zero

Pole zero

wave threshold

Wave threshold

ADC gain

ADC gainthresholdthreshold

LLD

Energy LLD

ULD

Energy ULD

peak detect

Peak detection method (abs.)[Status]

Status section

output rate (cps)Number of events processed per second[Data]

Data section

Time (us), input, slow, fast. Up to 4096 points.

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8．Functions
8．1．Data acquisition by external GATE input signal timing
When you want to acquire event data at that time from an external condition when an event occurs, input a LV-TTL levelsignal to the LEMO connector "GATE" on the front panel. When it is high, it measures. When it is low, it does not measure.
Set the external GATE input signal to slow with the DAC monitor and input it in such a range (see the figure below) that theslow output signal from the OUTPUT terminal is sufficiently covered. The guideline for the pulse width of the external GATE
input signal is × 8 for shaping time.
Adjust so slow pole zero does not overshoot or undershoot. Keep the external GATE input signal high until the slow output
input signal goes from the baseline to the point where it exceeds the threshold level Vth.

VthWaveform shaping input signal

External GATE input
signalFig. 19 External GATE input signal timing
NOTE: As for the external GATE input signal, at LV-TTL level, 0.8 V or less is judged as LOW level and 2.0 V or
more is judged as High level. The maximum input voltage is 5V.

8．2．Data discard by external VETO signal timing
When you want to acquire event data at that time from an external condition when an event occurs, input a LV-TTL levelsignal to the LEMO connector "VETO" on the front panel. Contrary to the "GATE" function, it measures when it is low anddoes not measure when it is low. The timing is the same as GATE described above.

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8．3．Calculation method of FWHM (half width)
The FWHM (Full Width at Half Maximum) in the "status" tab is calculated as follows.

FWHM
fmax

P1
fmax*1/2

L2

P3

L3

L1
P4

P2

offsetROI start

ｘ1

ｘ2

ROI endFig. 20 Calculation of FWHM
1

The maximum value fmax between ROI Start and ROI end in the histogram is detected.
Connect the intersection point of histogram and ROI start with the intersection point of histogram and ROI end.

2

The background offset (offset) is calculated by finding the intersection of the straight line and the line drawn
vertically from the peak value fmax to the x axis.

3
4
5
6
7

Calculate 1/2 of fmax minus offset and draw a straight line L1 parallel to the X axis.
In order to find two points where the histogram and L1 intersect, the crossing points P1 and P2 and P3 and P4
are detected.
Draw a straight line L2 connecting P1 and P2 and a straight line L3 connecting P3 and P4.
Find the X coordinate x1 of the intersection of L1 and L2, and the X coordinate x2 of the intersection of L1 andL3.
The difference between x2 and x1 is FWHM

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8．4．Calculation of gross count and net count
The "gross" and "net" counts in the "ROI" part are calculated by the Covell method.

net
ne

ns
ROI start

background

ROI endFig. 21 Calculation of gross count and net count

1
2"gross" count is the sum of counts between ROI start and ROI end.
The "net" count is the net count of the peak minus the background count from the "gross" count (blue shaded
area above).
Background (background) count connects ROI start and spectrum intersection ns with ROI end and spectrum

3intersection ne by a straight line. This is the area of the rectangle surrounding the four points of ROI start, ns, ne
and ROI end (pink line in the above figure).

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8．5．Calculation method of two-point calibration
In histogram mode
Perform a two-point calibration using the centroid of the two energy peaks and the peak energy value to make the unit scaleof the X axis of the graph an energy (e.g., keV). One-point calibration is also possible.
Set "ROI start (keV)" and "ROI end (keV)” in the upper “ROI" in the "calibration" tab, referring to the "centroid (ch)" value of ROI1 / ROI2 displayed in "ROI"at the top of the graph. Or set the range of ROI1 and ROI2 by cursor
movement of the graph.

Select the radio button "keV" in "calibration" at the bottom of the "calibration"tab. Select "ROI1" and "ROI2" as the ROI in "calibration" at the bottom ofthe "calibration" tab.

Set the peak energy of each of ROI1 / ROI2 to "keV" for how many keV it
corresponds.

When you click the "calibration" button, the slope a and intercept b of the linear
equation y = ax + b, which are calculated by the following equation, areautomatically reflected in the lower positions of "a" and "b".

Fig. 22 Before energy calibration (Left), After energy calibration (Right)a = (peak1-peak2) / （centroid1-centroid2）b = y – ax
For example, using Co-60, with 1473 keV centroid 9446.99 ch. And 1332 keV centric 10729.53 ch.
a = (1332 - 1173) / ( 10729.53 – 9446.99 ) = 0.124
b = 1332 – 0.124 * 10729.53 = 1.831
As described above, “a” is automatically reflected as “0.124” and “b” is automatically reflected as “1.831”, and the unit
scale of the X axis is created by the linear expression 0.124 * ch + 1.831.

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9．Gauss-fit
This software has a peak analysis function by Gauss fitting. By opening the dedicated screen, you can calculate the halfvalue width, etc. by dividing the peaks with a small number of counts and the peaks that overlap with each other during
measurement or for the histogram data in the data file.

9．1．Startup screen
Select Tool from the menu bar and execute gauss fit analysis. After execution, the startup screen shown below will be
displayed.

Fig. 23 Gauss fit startup screen
Menu section
File - open gauss fit file

Read Gauss fit file

File - open histogram file

Read histogram data file

File - save gauss fit file

Save Gaussian fit data to a file

File - save image

Save screen in png format

File - close

Exit screen
Display the information screen. Display precautions when using this screen on the dialog
screenInformation

Fig. 24
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Information screen
TechnoAP Co., LtdAPG7305B Software Manual

Setting section
data source

Select the data to be analyzed

onlineTargets the data being measured on the main screen

offlineTargets the data in the pre-read histogram data file or Gauss fit data filetarget CH

Analysis target CH setting

display error

Select the error to be displayed

ROI (ch)type of fit

number of fit

It is the number of data points to be analyzed to be displayed in the graph of gauss fit.
Choose from 256 or 512 channels
Select the type of Gaussian fit either single or combination. Single is normally sufficient.
Select combination in case two or three peaks come too close to fit.
Setting the number of Gaussian fits. Gaussian fit analysis can be performed on up to 3
peaks for a single histogram

Calculation section
peak (count)

Maximum countcentroid (ch)Median value (ch) calculated from the sum of all counts

sigma(FWHM/2.35)

Standard deviation

gross (count)

Sum of counts

net (count)

Sum of counts minus background

FWHM (ch)Half width

FWHM

Half width * The unit is the energy calibration state on the main screen.

FWTM

1/10 width of the peak * The unit is the energy calibration state on the main screen.

backgroundbackground value

calibration *a

The energy calibration factor *a on the main screen is displayedcalibration +b

The energy calibration factor +b on the main screen is displayed.

calibration unit

The unit on the main screen is displayed
The histogram plot in the histogram graphs the histogram data for Gaussian fit. The ROI
plot is the part displayed in the gauss fit graph and is displayed in red. You can change

histogram graphthe display position while keeping the number of display points constant by moving thehorizontal slide bar at the bottom left of the graph to the left or right. If each check box ischecked, the plot is displayed, and if it is not checked, the plot is hidden.
From the histogram data displayed in the histogram graph, the channel set by ROI (ch)is extracted from the start position of the X axis of the gauss fit graph and displayed. The
fit1 to fit3 plots are Gaussian-fitted data for the peaks set by each cursor. Histogram plots
are concatenated data of Gaussian fit results. You can change the display position while

gauss fit graphkeeping the number of display points constant by dragging the graph area after select thepan button

at the bottom right of the graph to the left or right. The X of the cursor at

the bottom right of the graph is the position of the cursor to be aligned with the Gaussian
fit target peak, and you can also move the cursor by directly inputting X. If each check box
is checked, the plot is displayed, and if it is not checked, the plot is hidden.
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9．2．On-line
For the histogram acquired during measurement, perform Gaussian fit analysis for the specified peak according to thefollowing procedure.
1. Select data source, “online”.
2. Start measurement in histogram mode. The histogram during measurement is displayed in the histogram graph.
3. In the gauss fit graph, the histogram of the part of interest in the histogram graph is displayed. To set the horizontal axis
range of this graph, enter the minimum value of the horizontal axis of the gauss fit graph directly or move the vertical cursor
in the histogram graph to the target range. After that, the histogram graph will have the range selected in the gauss fit graphred.
4. Set up to three vertical cursors at the approximate peak part of the analysis target. To set the cursor, drag the red, blue,
and pink vertical cursor lines while the button in the red frame in the figure below is pressed, and drop them on the peak part.
Alternatively, you can move the cursor and set it by entering a numerical value in the X value of the cursor at the bottom rightof the screen.
5. Calculation results such as half-value width based on each Gaussian fit data are displayed in the calculation section

Fig.25 Gauss fit screen, ONLINE

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9．3．Off-line
For the histogram obtained by reading the histogram data file or the Gauss fit data file, perform Gauss fit analysis for the
specified peak by the following procedure.
1. Select data source, “offline”.
2. Click open gauss fit file or open histogram file from file in the menu. A file selection dialog is displayed. Select the data
file to be read and open it. The histogram in the data file is displayed in the histogram graph
The rest of the procedure is the same as the on-line mode.

Fig.26 Gauss fit screen, OFFLINE

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9．4．Notes
Please note the following points to operate normally on the Gauss fit screen.
-

When selecting combination as type of fit and setting the number of fit to two or more, set fit1 and fit2 in this order fromthe left in the gauss fit graph. If fit1 is not working properly, the following fit2 and fit3 will also be hidden.

-

The peak to be fitted should be displayed without being cut off at both ends of the gauss fit graph.

-

If the peak value on the calculation tab and the peak value on the gauss fit graph do not match, move the horizontal
axis range of the graph or the fit cursor.

9．5．End
To close this screen, click close from File on the menu bar.

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10．Peak searchThis software has a function to automatically detect peaks and perform peak analysis. You can open the dedicated screen
and automatically detect the peak and calculate the half width etc. for the histogram data of the data file during measurement.

10．1．Startup screen
Execute peak search analysis from Tool on the menu bar. After execution, the startup screen shown below will be displayed.

Fig.27

Peak search startup screen

Menu section
File - open peak search file

Read peak search file

File - open histogram file

Read histogram data file

File - save peak search file

Save peak search to a file

File - save image

Save screen in png format

File - close

Exit screen

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Setting section
data source

Select the data to be analyzed

onlineTargets the data being measured on the main screen

offlineTargets the data in the pre-read histogram data file or Gauss fit data filetarget CH
sensitivity level

FWHM for search (ch)ROI of peak (ch)Analysis target CH setting
Selection of peak detection threshold. If the value is small, even a slight peak will be
detected.
Approximate half-value width required for peak search. The unit is channel. Set theapproximate half width from the actual peak by channel (point)
Setting the number of ROI plots (CH) for the peakCalculation section

lock

If you want to display it at the top of the list, turn on the check. If it is OFF, the display
position may move up or down each time a peak is detected.

centroid (ch)Median value (ch) calculated from the sum of all counts

gross (count)

Sum of counts

net (count)

Sum of counts minus background

FWHM (ch)Half width

FWHM

Half width * The unit is the energy calibration state on the main screen.

FWTM

1/10 width of peak * The unit is the energy calibration state on the main screen.

calibration *a

The energy calibration factor *a on the main screen is displayed.

calibration +b

The energy calibration factor +b on the main screen is displayedcalibration unit

The unit on the main screen is displayed.
The histogram plot in the peak search graph displays the histogram data of the peaksearch target as a graph. The Peak plot is the part where the peak is detected and ispeak search graphdisplayed in red with a Gaussian fit. You can change the display position while keeping
the number of display points constant by moving the horizontal slide bar at the bottom leftof the graph to the left or right. If each check box is checked, the plot is displayed, and if it
is not checked, the plot is hidden.

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10．2．On-line
Perform peak search analysis using the following procedure for the histogram acquired during measurement.
1. Select data source online
2. Start measurement in histogram mode. The histogram being measured is displayed in the peak search graph.
3. In the peak search graph, the peak part where the peak is detected is gauss-fitted and a red histogram is displayed.
4.

In the calculation section, the calculation results such as the half-value width are displayed for each peak detected. If

the peak is detected or not detected, the calculation result display may move up and down, making it difficult to see. In thiscase, if you turn on the lock check, it will always be displayed at the top.

Fig. 28 Peak search screen, ONLINE

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10．3．Off-line
Perform peak search analysis according to the following procedure for the histogram obtained by reading the histogram
data file or peak search data file.
1. Select data source as offline
2. Click open peak search file or open histogram file from file on the menu bar. A file selection dialog is displayed. Selectthe data file to be read and open it. The histogram in the data file is displayed in the peak search graph
The rest of the procedure is the same as the on-line mode.

Fig. 29 Peak search screen, OFFLINE

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10．4．Notes
Please note the following points to operate normally on the peak search screen.
-

The degree of peak search changes by adjusting the sensitivity level, FWHM for search (ch.), and ROI of peak (ch.).
Adjust each setting to the optimum while observing the shape of the red peak detection part.

10．5．EndTo close this screen, click close from File on the menu bar.

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TechnoAP Co., Ltd.
Address: 2976-15 Mawatari, Hitachinaka-city, Ibaraki-prefecture, 312-0012, Japan
TEL: +81-29-350-8011

FAX: +81-29-352-9013

URL: http://www.techno-ap.com

E-mail: info@techno-ap.com

Business Hours: 9:30 AM to 17:00 PM, Monday to Friday

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TechnoAP Co., Ltd