A Low-Power CMOS Instrumentation Chain for Microchannel Plates in Astrophysics

A Low-Power CMOS Instrumentation Chain for Microchannel Plates in Astrophysics

A CMOS instrumentation chain for electron and charged particle detection has been optimized for low-noise, low-power consumption and high-speed response. Using a standard 0.35 μm CMOS process, the total active area occupies 0.77 mm 2 . This analog front-end readout circuit has a pulse time response...

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Veröffentlicht in:IEEE sensors journal 2011-04, Vol.11 (4), p.1040-1045
Hauptverfasser: Bouyjou, F, Bernal, O, Tap-Béteille, H, Sauvaud, J
Format: Artikel
Sprache:eng
Schlagworte:
Chains
Charge
Charge preamplifier
Charged particles
Circuits
CMOS
CMOS integrated circuits
Conversion
Gain
Instrumentation
Instruments
Integrated circuit modeling
microchannel plate
MOSFETs
Noise
Noise levels
Power demand
pulse shaper
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Beschreibung
Zusammenfassung:A CMOS instrumentation chain for electron and charged particle detection has been optimized for low-noise, low-power consumption and high-speed response. Using a standard 0.35 μm CMOS process, the total active area occupies 0.77 mm 2 . This analog front-end readout circuit has a pulse time response of 55 ns. The equivalent input referred noise charge of this instrumentation chain is approximately 954e - for a conversion gain of 0.9 mV/fC and power consumption is 1.73 mW. The charge conversion dynamic range is 79 dB and it is possible to convert charges up to 1.5 pC for counting applications. This circuit has a maximum repetitive pulse rate of 2.6 MHz.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2010.2079327