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A Low Noise High Gain Bandwidth Charge Sensitive Preamplifier

Journal Article · · IRE Transactions on Nuclear Science
The concept of the charge-sensitive amplifier is discussed, and a method for obtaining a high-gain amplifier stage through the use of a positive-current- feedback dynamic plate load is described. It is shown that under certain conditions this type of feedback can provide increased bandwidth as well as increased low-frequency gain. The schematic of a preamplifier embodying these principles is given and its performance is described. The measured noise, with no external capacitance, is 510 rms electrons for equal integration and differentiation time constants of 1 mu sec. The measured risetimes for closed- loop gains of 100 and 1000 are 25 and 96 nanoseconds respectively. Linearity and gain sensitivity data are also included.
Research Organization:
Columbia Univ., New York
Sponsoring Organization:
USDOE
NSA Number:
NSA-16-029139
OSTI ID:
4805721
Journal Information:
IRE Transactions on Nuclear Science, Journal Name: IRE Transactions on Nuclear Science Journal Issue: 4 Vol. 9; ISSN 0096-2015
Country of Publication:
Country unknown/Code not available
Language:
English

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