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Cryogenic Parametric Amplifier Noise Performance at 4.2 K

โœ Scribed by Wilson, W.J.; Dickman, R.L.; Berry, G.G.


Book ID
114657392
Publisher
IEEE
Year
1980
Tongue
English
Weight
750 KB
Volume
28
Category
Article
ISSN
0018-9480

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The performance of three different two-stage CMOS operational amplifiers (op-amps) at temperatures below 100 K was investigated. The open-loop gain and unity-gain frequency increased by at least a factor of 2 and 1.3, respectively, when cooled from room temperature to 50 K. However, because of curre