Noise analysis of a pulse processor using SPICE

Noise analysis of a pulse processor using SPICE

We describe a technique, simpler than earlier ones, for using SPICE in the computation of the 1/f, step, and delta noise indices of linear and time-valiant filters. The method is based on obtaining a weighting function from the results of simulation and is demonstrated for triangular and trapezoidal...

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Veröffentlicht in:IEEE transactions on nuclear science 1999-12, Vol.46 (6), p.1876-1879
Hauptverfasser: Kuwata, M., Isobe, R.
Format: Artikel
Sprache:eng
Schlagworte:
Circuit noise
Circuit simulation
COMPARATIVE EVALUATIONS
Computational modeling
Computer simulation
COMPUTERIZED SIMULATION
Deltas
Energy resolution
Filters
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
Mathematical analysis
Microprocessors
NOISE
Pulse generation
PULSE SHAPERS
Shapers
Space vector pulse width modulation
SPICE
Spices
Time domain analysis
Voltage
WEIGHTING FUNCTIONS
X-RAY SPECTROMETERS
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Beschreibung
Zusammenfassung:We describe a technique, simpler than earlier ones, for using SPICE in the computation of the 1/f, step, and delta noise indices of linear and time-valiant filters. The method is based on obtaining a weighting function from the results of simulation and is demonstrated for triangular and trapezoidal shapers. The results are compared with those obtained by direct calculation. The greatest discrepancies occur when the method is applied to gated integrators, but the errors are probably due to artifacts not related to the basic method described here.
ISSN:0018-9499
1558-1578
DOI:10.1109/23.819244