An introduction to phase‐sensitive amplifiers: An inexpensive student instrument
作者:
Paul A. Temple,
期刊:
American Journal of Physics
(AIP Available online 1975)
卷期:
Volume 43,
issue 9
页码: 801-807
ISSN:0002-9505
年代: 1975
DOI:10.1119/1.9690
出版商: American Association of Physics Teachers
数据来源: AIP
摘要:
The principle of operation of phase‐sensitive amplifiers is discussed. Three examples of the use of the phase‐sensitive amplifier, or ’’lock‐in,’’ are given. The examples have been chosen to be suitable for undergraduate laboratory use. The paper is concluded with the description of an inexpensive ’’student’’ lock‐in amplifier which has an overall voltage gain of 1000.
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