Evaluation of CEA SMAD Digitizer for CTBTO-IMS Application (2012)
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sandia National Laboratories has tested and evaluated the new SMAD digitizer (revision A) design by CEA, France. The digitizer was tested at the acquisition rate of 50 Hz and gain factors of 1x, 2x, 4x, and 8x. The purpose of this digitizer evaluation was to perform seismic system noise analysis with estimates of system band-width dynamic range for an STS2 application and to determine the following device specifications: bit-weight, input terminated noise with a 2x50 Ohms load, bandwidth limited dynamic range, power consumption, common-mode rejection, cross-talk, analog bandwidth, relative transfer function, total harmonic distortion, time-tag accuracy, time-tag statistics, and time-tag drift. The test results included in this report were in response to static and to tonal-dynamic input signals. Wherever possible test methodologies used were based on IEEE Standards 1057 for Digitizing Waveform Recorders and 1241 for Analog to Digital Converters.
- Research Organization:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA)
- DOE Contract Number:
- AC04-94AL85000; NA0003525
- OSTI ID:
- 1599538
- Report Number(s):
- SAND-2017-9791; 656784
- Country of Publication:
- United States
- Language:
- English
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