DISCOVERYTransmitter• Up to eight transmitters• Configurable to cover a frequency range of 2 kHz to 3.5 GHz• 1 x 10-6 Hz frequency resolution• 5 x 10-10/day stability• 14-bit (0.02°) phase shifting ≤ 100 ns• RF spoiling pulses with 14-bit (0.02°) phase resolution on MRI consoles• Phase continuous frequency switching over a 20 MHz range in less than 200 ns• Absolute phase reset• Pulse rise time ≤ 30 ns (10 to 90%, at 0 dBm output)• 96-dB of amplitude control with 100 ns switching time• 12-bit 32-dB linear RF modulator (effective resolution < 0.05 dB)• 7-bit 64-dB (0.5-dB steps) digital attenuator• 500,000 point waveform memory (amplitude and phase) for each transmitter channel• Simultaneous amplitude, phase and frequency shape any RF pulse

RF Power Amplifiers
H/19F:• Linear, class AB• 500 W pulsed with 100 ms maximum pulse width• 100 W pulsed with 1 s maximum pulse width• ≤ 1 μs blank/unblank time• ≤ 100 ns rise time; ≤ 5% droop over 100 ms• Standard available frequency ranges:
100 MHz to 600 MHz for up to 14.1T.
• Other frequency ranges and higher power are available, please contact Tecmag.

1X Channels:• Linear, class AB• 1000 W pulsed with 100 ms maximum pulse width• 100 W pulsed with 1 s maximum pulse width• ≤ 200 ns rise time; ≤ 5% droop over 100 ms• ≤ 1 μs blank/unblank time
• Standard available frequency ranges:
10 - 130 MHz
10 - 175 MHz
6 - 220 MHz
10 - 245 MHz
5 - 400 MHz• Other frequency ranges available, please contact Tecmag© Copyright 2009 Tecmag, Inc. All rights reserved. ™ ® Any product names are trademarks or registered trademarks of their respective owners.
All specifications are subject to change without notice.

Tecmag, Inc.
10161 Harwin Dr., Suite 150
Houston, TX 77036 USA

Ph: 713-667-8747
Fx: 713-667-3180

info@tecmag.com
www.tecmag.com

DISCOVERY
Digital Receiver• Up to 1024 digital receivers
Single Receiver Operation:• 14-bit 50 MHz ADC with oversampling providing an effective dynamic range of up to 24-bits• Direct digitization at the intermediate frequency (12.5 MHz) with digital quadrature detection• 3.3 MHz receiver bandwidth• Digital filtering• Variable spectral widths within a sequence; up to 64 different spectral widths• Fast <1 μs receiver recovery time
• 66-dB of variable gain with > 115-dB of total gain (with preamplifier)• Burst Mode: up to 4096 complex points can be acquired at 300 ns per complex point(3.3 MHz spectral width)• Normal Mode: data (any size) is acquired at up to 1 μs per complex point (1 MHz)• Direct Digital Detection available over a frequency range of 2 kHz to 100 MHz with a 12.5 MHzbandwidthMultiple Receiver Operation:• Independent LO’s optionally available for detection of different nuclei during the same pulse sequence• Minimum dwell time of 1 μs per complex point times the number of active receivers for multi-receiver,simultaneous interleaved acquisitions

RF Probe Interface• Fast-recovery (<1μs), low noise figure preamplifiers for 1H/19F and all X channels• 1 kW power handling• Fast-recovery passive transmit/receive switch for all channels• Standard filter configuration: bandpass filter for 1H/19F channel and low-pass filter for all X channels
For other filter combinations, please contact Tecmag.
• RF Probe Interface with directional extractor for monitoring forward/reflected power• Automatically switches for detection and calibration on any channel without moving cables for mostconfigurations

Signal Averager• 32-bit 256 Mbytes (512 x 256 x 256) memory; expandable to 1 Gbyte• Up to 8 receivers connected to a single signal averager• Maximum of 128 signal averagers• Dedicated ultra-fast real-time display memory for adjusting instrument control settingsand experiment monitoring• Fast (480 Mbits/s) USB 2.0 interface for uploading of data

Shim Power Supply• RTS Power Supply with up to 24 channels of ±1 Amp output, combined 5 Amp
maximum output, 18-bit computer controlled DACs and software matrixing• Optional support for RRI matrix shims and power supply© Copyright 2009 Tecmag, Inc. All rights reserved. ™ ® Any product names are trademarks or registered trademarks of their respective owners.
All specifications are subject to change without notice.

Tecmag, Inc.
10161 Harwin Dr., Suite 150
Houston, TX 77036 USA

Ph: 713-667-8747
Fx: 713-667-3180

info@tecmag.com
www.tecmag.com

DISCOVERY
Pulse Programmer• 100 ns minimum pulse width with 20 ns timing resolution• 500,000 sequence events• Hardware and software looping; unlimited number of loop counters• 500,000 point waveform memory (amplitude and phase) for each RF channel• No hidden delays• WYSIWYG graphical pulse sequence creation and editing• Fast minimum acquisition recycle delay of 40 μs plus 1 dwell period (Normal Mode)• External trigger• Rotor Synchronization Module (RSMTM) for active rotor synchronization• Extra user-assignable control lines (7 extra for each transmitter channel)• High-speed (480 Mbits/s) USB 2.0 interface for loading of the pulse programmer

Air Control Options
Standard:• MAS Air Control module for manual control of drive and bearing gas (0 - 100 psi)
MAS Spin-Speed Controller Option:• ± 0.1 Hz settability• Control up to 100 kHz• DSP-based controller• Computer controlled ejection air if required• Strip chart and text-based log file monitor modes• Requires > 50 psig input air or nitrogen and 500 mv peak to peak tach signal
Compatible with most probes.

Gradient Control System Options• Single or triple axis version• 500,000 point waveform memory for each gradient• Opto-coupled 20-bit high-speed DACs
• Digital pre-emphasis calculated on-the-fly• 5 sets of pre-emphasis values (time constant, amplitude and offset) for each gradient• Gradient rotation calculated by a DSP for oblique imaging• Auto-shim Z, X & Y through the gradient coils• Optional digital Bo compensation

Variable Temperature Option• Microprocessor controlled with efficient VT algorithm minimizes equilibration time
• Internal electronic temperature reference minimizes drift with room temperature• VT controller range of -150 °C to +250 °C with 0.1 °C settability• Heater protection circuit and air interlock protection• Strip chart and text-based log file monitor modes
Compatible with most probes, please contact Tecmag.

© Copyright 2009 Tecmag, Inc. All rights reserved. ™ ® Any product names are trademarks or registered trademarks of their respective owners.
All specifications are subject to change without notice.

Tecmag, Inc.
10161 Harwin Dr., Suite 150
Houston, TX 77036 USA

Ph: 713-667-8747
Fx: 713-667-3180

info@tecmag.com
www.tecmag.com

DISCOVERY
Digital Lock with Liquid-State NMR Air Control Option• Digital Lock System with broadband (5 MHz to 500 MHz) transmitter, digital lockreceiver, digital filtering and lock blanking• Digital air control and tachometer for liquid-state NMR• Strip chart and text-based log file monitor modes
Compatible with most probes and upperstacks, please contact Tecmag.

Computer• External mini-tower Dell Optiplex GX755• Quad Core 2.4 GHz processor with 800 MHz system bus• 2 Gbyte of RAM, DDR2
• 250 Gbyte 7200 rpm SATA II hard disk
• 16xDVD+/-RW SATA drive• 256 Mbyte ATI Radeon HD 2400 XT, dual monitor PCI Express video card
• 10/100/1000 Base T Ethernet (RJ-45 port)• AC’97 Audio• Windows XP Professional SP2• Dell USB keyboard• Dell USB Optical Mouse with scroll• Fast FFT, 1k x 1k in < 1s; 256 x 256 x 8 in < 0.5s
• NTNMR software site license for instrument control and processing ofspectroscopy and imaging data
• NMRscripts for automating any task. Includes a suite of NMRscripts• Pulse sequence library of spectroscopy and imaging sequences

Cabinets• One to three cabinets (22"W x 31"L x 46"H) with an external computer and monitor• Cabinets with internal power distribution, rear interface panel(s) and double-shielded RF cables• AC line voltage - 230 VAC, ±10%, single phase, 47-63 Hz
For more details on system layout, power requirements and general siting information
please contact Tecmag.

© Copyright 2009 Tecmag, Inc. All rights reserved. ™ ® Any product names are trademarks or registered trademarks of their respective owners.
All specifications are subject to change without notice.

Tecmag, Inc.
10161 Harwin Dr., Suite 150
Houston, TX 77036 USA

Ph: 713-667-8747
Fx: 713-667-3180

info@tecmag.com
www.tecmag.com