Finite-gain-insensitive circulating-delay type pseudo-N-path filter |
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Authors: | Betts AK Taylor JT |
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Affiliation: | Dept. of Electron. & Electr. Eng., Univ. Coll., London, UK; |
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Abstract: | A novel circulating-delay switched-capacitor (SC) pseudo-N-path (PNP) filter is described which has low sensitivity to finite amplifier gain. The circuit exploits the narrowband characteristic of the PNP filter to predict its output voltage a number a cycles in advance and hence give accurate error compensation.<> |
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