A compact, multichannel, and low noise arbitrary waveform generator

A new type of high functionality, fast, compact, and easy programmable arbitrary waveform generator for low noise physical measurements is presented. The generator provides 7 fast differential waveform channels with a maximum bandwidth up to 200 MHz frequency. There are 6 fast pulse generators on th...

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Bibliographic Details
Published in:Review of scientific instruments 2014-05, Vol.85 (5), p.054702-054702
Main Authors: Govorkov, S, Ivanov, B I, Il'ichev, E, Meyer, H-G
Format: Article
Language:English
Subjects:
AMPLITUDES
Analog to digital conversion
ANALOG-TO-DIGITAL CONVERTERS
Bandwidths
Channels
Digital to analog conversion
DIGITAL-TO-ANALOG CONVERTERS
Electromagnetic interference
Filter design (mathematics)
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
Low noise
NMR
Noise
Noise levels
NUCLEAR MAGNETIC RESONANCE
Power supplies
PULSE GENERATORS
READOUT SYSTEMS
TIME RESOLUTION
WAVE FORMS
Waveform generators
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Description
Summary:A new type of high functionality, fast, compact, and easy programmable arbitrary waveform generator for low noise physical measurements is presented. The generator provides 7 fast differential waveform channels with a maximum bandwidth up to 200 MHz frequency. There are 6 fast pulse generators on the generator board with 78 ps time resolution in both duration and delay, 3 of them with amplitude control. The arbitrary waveform generator is additionally equipped with two auxiliary slow 16 bit analog-to-digital converters and four 16 bit digital-to-analog converters for low frequency applications. Electromagnetic shields are introduced to the power supply, digital, and analog compartments and with a proper filter design perform more than 110 dB digital noise isolation to the output signals. All the output channels of the board have 50 Ω SubMiniature version A termination. The generator board is suitable for use as a part of a high sensitive physical equipment, e.g., fast read out and manipulation of nuclear magnetic resonance or superconducting quantum systems and any other application, which requires electromagnetic interference free fast pulse and arbitrary waveform generation.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4873198