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Method and apparatus for signal processing in a sensor system for use in spectroscopy

Patent ·
OSTI ID:984324
 [1];  [2];  [3]
  1. Bellport, NY
  2. Nesconset, NY
  3. Natrona Heights, PA
+ Show Author Affiliations
A method for processing pulses arriving randomly in time on at least one channel using multiple peak detectors includes asynchronously selecting a non-busy peak detector (PD) in response to a pulse-generated trigger signal, connecting the channel to the selected PD in response to the trigger signal, and detecting a pulse peak amplitude. Amplitude and time of arrival data are output in first-in first-out (FIFO) sequence. An apparatus includes trigger comparators to generate the trigger signal for the pulse-receiving channel, PDs, a switch for connecting the channel to the selected PD, and logic circuitry which maintains the write pointer. Also included, time-to-amplitude converters (TACs) convert time of arrival to analog voltage and an analog multiplexer provides FIFO output. A multi-element sensor system for spectroscopy includes detector elements, channels, trigger comparators, PDs, a switch, and a logic circuit with asynchronous write pointer. The system includes TACs, a multiplexer and analog-to-digital converter.
Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-98CH10886
Assignee:
Brookhaven Science Associates, LLC (Upton, NY)
Patent Number(s):
7,378,637
Application Number:
10/835,092
OSTI ID:
984324
Country of Publication:
United States
Language:
English

References (6)

Amplitude and time measurement ASIC with analog derandomization
  • O’Connor, P.; De Geronimo, G.; Kandasamy, A.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 505, Issue 1-2 https://doi.org/10.1016/S0168-9002(03)01095-7
journal June 2003
Analog CMOS peak detect and hold circuits. Part 2. The two-phase offset-free and derandomizing configuration
  • De Geronimo, Gianluigi; O’Connor, Paul; Kandasamy, Anand
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 484, Issue 1-3 https://doi.org/10.1016/S0168-9002(01)02060-5
journal May 2002
Analog peak detector and derandomizer for high-rate spectroscopy journal August 2002
Amplitude and time measurement asic with analog derandomization: first results journal August 2003
Amplitude and time measurement ASIC with analog derandomization conference January 2003
Analog CMOS peak detect and hold circuits. Part 1. Analysis of the classical configuration
  • De Geronimo, Gianluigi; O’Connor, Paul; Kandasamy, Anand
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 484, Issue 1-3 https://doi.org/10.1016/S0168-9002(01)02059-9
journal May 2002

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