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Stray capacitance eliminating transformations for switched capacitor circuits

✍ Scribed by Martin Hasler; Morad Saghafi

Publisher
John Wiley and Sons
Year
1983
Tongue
English
Weight
845 KB
Volume
11
Category
Article
ISSN
0098-9886

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✦ Synopsis

Transformations are given that eliminate the influence of part or all of the stray capacitances to ground in a switched capacitor circuit, while leaving the transfer functions and, conditionally, their sensitivities to nominal capacitor ratios invariant. The transformations increase the number of operational amplifiers to the minimum that is required, as we prove, for stray capacitance insensitive circuits. The number of capacitors usually also increases, giving rise to constraint equations.

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