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Low-noise operational amplifiers using bipolar input transistors in a standard metal gate CMOS process

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3 Author(s)
Gustafsson, S. ; Linkoeping University, LSI Design Centre, Linkoeping, Sweden ; Sundblad, R. ; Svensson, C.

Two low-noise operational amplifiers have been designed. The amplifiers include a bipolar input stage which gives the advantage against conventional CMOS amplifiers of low noise and low offset. The op-amplifiers also show a low input current compared with other bipolar amplifiers.

Published in:

Electronics Letters  (Volume:20 ,  Issue: 13 )