Specifications.docx

Specifications

Redstone – two transmitter, one receiver 2GHz NQR system including:

• One 0.5 to 2000 MHz Transmitter in multiple bands with 10 ns 0.0055° phase shifts, 40 ns 96-dB amplitude control, 64 million point waveform memory, 20 ns phase-continuous frequency switching with 0.19 Hz frequency resolution and nominal 1 V output.

• One 0.5 to 500 MHz Transmitter with 10 ns 0.0055° phase shifts, 40 ns 96-dB amplitude control, 64 million point waveform memory, 20 ns phase-continuous frequency switching with 0.19 Hz frequency resolution and nominal 1 V output.

• High stability oven oscillator with 5 x 10-10/day stability.

• RF double-shielded cable kit for two transmitters & one receiver.

• One Digital Receiver with 14-bit 50 MHz ADC (oversampling provides an effective dynamic range of up to 24-bits) digitizing directly at the intermediate frequency, digital filtering, receiver bandwidth of 12.5 MHz (80 ns per complex point).

• One RF Receiver with 500 kHz to 2000 MHz operation range, >77 dB of user controllable gain (>80 dB of gain exclusive of preamplifier), receiver bandwidth of

6.8 MHz, and < 1μs receiver recovery time.

• One low pass filter for optimized low-frequency NQR detection.

• One 0.1 to 500 MHz Preamplifier: HD Comm HD28082 with 2.0 dB noise figure, fast recovery time, 40 dB gain, and power cord.

• One 40 to 1000 MHz Preamplifier: Pasternack PE15A1012 with 0.8 dB noise figure, fast recovery time, 40 dB gain, and power cord.

• One 1000 to 2000 MHz Preamplifier: Pasternack PE15A1019 with < 0.8 dB noise figure, fast recovery time, 40 dB gain, and power cord.

• One Signal Averager with 1 GByte of memory (e.g. 512 x 512 x 512).

• System Integration including 19” equipment cabinet on casters with AC power distribution, RF cable interface panel, and internal double-shielded RF cables

• 10 ns DSP Pulse Programmer, 10 ns minimum pulse width, 3,072 sequence events, external trigger, 4-bit conditional branching and 8 user assignable control lines.

• Fast (480 Mbits/s) USB 2.0 interface to pulse programmer and signal averager.

• TNMR software site license for instrument control and data processing for use on Windows 10 Pro 64-bit computers.

• Pulse sequence library.

• NMRscripts for automation.

• Active-X for linking external programs such as Matlab