High voltage gain CMOS OTA for micropower SC filters
- 19 February 1981
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 17 (4) , 160-162
- https://doi.org/10.1049/el:19810113
Abstract
The letter describes a single stage operational transconductance amplifier (OTA) with cascoded output transistors, designed for micropower switched-capacitor filters. The device features high voltage gain (>90 dB) under capacitive load, large output swing, very low power consumption (5 μW at 3 V supply voltage for 100 kHz bandwidth with 10 pF load) and reduced circuit area (2).Keywords
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