Fast, compact solution for low noise charge preamplifiers

L. Fabris; N. W. Madden; H. Yaver

doi:10.1016/S0168-9002(98)01371-0

Fast, compact solution for low noise charge preamplifiers

L. Fabris, N. W. Madden, H. Yaver

Research output: Contribution to journal › Article › peer-review

58 Scopus citations

Abstract

A new structure for low noise charge sensitive preamplifiers, implemented using a transconductance gain stage plus a voltage gain stage, has been thoroughly investigated. Uniquely high values of open-loop gain have been demonstrated, together with good low noise performance and high load driving capability. Implementation of this scheme uses only a minimal number of commercial parts, resulting in a very compact and relatively low power circuit. A detailed theoretical analysis of the dynamic response and noise performance of the circuit is given. Several tests and measurements have been performed to validate the theory and the results are presented.

Original language	English
Pages (from-to)	545-551
Number of pages	7
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	424
Issue number	2
DOIs	https://doi.org/10.1016/S0168-9002(98)01371-0
State	Published - Mar 21 1999
Externally published	Yes

Funding

This work was supported by the Director, Office of Energy Research, Office of Basic Energy Sciences of the U.S. Department of Energy under Contract No. DE-AC03-76SF00098.

Funders	Funder number
U.S. Department of Energy	DE-AC03-76SF00098
Office of Energy Research
Basic Energy Sciences

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AB - A new structure for low noise charge sensitive preamplifiers, implemented using a transconductance gain stage plus a voltage gain stage, has been thoroughly investigated. Uniquely high values of open-loop gain have been demonstrated, together with good low noise performance and high load driving capability. Implementation of this scheme uses only a minimal number of commercial parts, resulting in a very compact and relatively low power circuit. A detailed theoretical analysis of the dynamic response and noise performance of the circuit is given. Several tests and measurements have been performed to validate the theory and the results are presented.

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ER -

Fast, compact solution for low noise charge preamplifiers

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