- Key Features - Front Panel OLEDDisplay
 63 dB Range, 0.5dB
Steps

DAT64H
63 dB Programmable Ultra-wideband RFAttenuator with OLED Display and User Interface

 100MHz to 12GHz
 Standalone
Operation, no PC
needed Can be used asprogrammableattenuator using
USB port/PC
 Tiny all-aluminumcase Micro USB Powered

DS Instruments

 Unquestionably
Reliable

DAT64H, A Programmable
Attenuator with User Interface
The DAT64H is a fully selfcontained attenuator instrument.
The attenuation range is 0 to 63
dB with 0.5dB step size. Controlof attenuator setting can beaccomplished both by the userinterface and via computer using
the USB port.
The user interface has UP/
DOWN buttons and an OLED
type display. The display
indicates the current attenuation
value as well as other instrument
information.

Ease of Use
The user can control theDAT64H attenuation both fromfront panel buttons or remotely
and from the USB port. No PC
is needed to operate theDAT64H as step attenuator.
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DAT64H Rev 1.1

Remote Operation
Industry standard SCPI
commands allow the DAT64H
to be controlled by any PC
with a USB interface.
The micro USB port isconfigured as a COM port.
This allows third party
software to access theDAT64H as if it were astandard COM device with noadditional drivers, software, orAPI.
All power required by thedevice is supplied by the USBconnection.

DS

DAT64H
SPECIFICATIONSMaxMinParameter

TypUnits

DAT64H Frequency Range

10012000

MHz

Insertion Loss, 100 to 2000MHz

576dB

Insertion Loss, 2 to 6GHz

697dB

Insertion Loss, 6 to 10GHz

71410dB

Insertion Loss, 10 to 12GHz

111512dB

In/ Out VSWR

1.25:1

1.6:1

1.35:1-Attenuation Range

063.0

Min Step Size

0.5dBdB+/- 0.4dBMaximum Input Power+23dBm

Third Order Intercept+38dBm

Step Size Error± (0.30 + 5% of Atten. Setting) Max dB

Atten. Accuracy,All Atten. States(Referenced to Insertion Loss)

5.24.75

DC Power Input thru USB Port

5.0vdc

DAT64H Front and Rear Panel Features
CASE DIMENSIONS:
1.13(H)x2.75(W)x2.0(L) in.

RF IN / OUT - Maximum Level+23 dBm

2.75inPWR STATUS

48.5 dB
IN/OUTDSRF IN / OUT - Maximum Level+23 dBm

1.13 in.
USB
PWR

DAT64HUser Interface
Control Buttons

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DAT64H Rev 1.1

IN/OUT

Micro USB Interface to PCand DC Power Input

DAT64H

Typical User connections for Remote Operation from PC
Using Agilent Connection Software(115200 Baud)
FILE SETUP TEST ABOUT

USB Power
And Interface
Attenuation 38.5 dB

Step 0.5dB

D

PWR STATUS

S

ON/OF F08.5 dB

DAT64H

Host PC

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DAT64H Rev 1.1

DAT64HDAT64H
Device Front and Rear I/O Ports

Typical Insertion Loss

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DAT64H Rev 1.1

DAT64H
USB COM Port SCPI Commands
INPUT:ATT xyz
INCRDECR
INCR xDECR ySTEP xy*IDN?
*RST*SAVESTATE- Set attenuation to xyz- Increase attenuation by step size
- Decrease attenuation by step size
- Increase attenuation by x
- Decrease attenuation by y
- Set the step size to xy- Return standard identification string- Reset device- Save current attenuation as default boot up value(115200 bps – 8 Bits – Parity: none – Stopbits: 1 – Flowcontrol: none)Windows GUI

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DAT64H Rev 1.1

DAT64H
Ordering Information
Model DAT64H, 0- 63dB, 100 to 12000MHz
Attenuator with OLED Display and Control Buttons$799.00

Option 1 – No display or buttons$739.00

Contact Informationwww.dsinstruments.com
support@dsinstruments.com
call us: (805) 242-6685

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DAT64H Rev 1.1