Design of a high-gain, single-stage operational amplifier for GaAs switched-capacitor filters
- 2 July 1987
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 23 (14) , 752-754
- https://doi.org/10.1049/el:19870533
Abstract
The letter describes the design of a single-stage, double cascode amplifier for GaAs switch-capacitor filters. The amplifier achieves a voltage gain of 60 dB assuming a realistic low-gain model for the N-channel GaAs DFETs employed. The need for compensation is avoided using a single-stage architecture, and a push-pull output stage minimises power consumption and chip area.Keywords
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