SC Filters for High Frequencies with Compensation for Finite-Gain Amplifiers

G. Fischer; G. S. Moschytz

doi:10.1109/tcs.1985.1085604

SC Filters for High Frequencies with Compensation for Finite-Gain Amplifiers

G. Fischer
, G. S. Moschytz

Swiss Federal Institute of Technology Zurich

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

The influence of the finite gain—bandwidth product of operational amplifiers on the performance of state-space SC circuits is summarized. A new method is then presented which eliminates the amplifier finite-gain effect completely. This makes it possible to use high-speed single-stage amplifiers with moderate gain values (e.g., as low as 100), for precise high-Q filtering applications. In this way, it becomes feasible to design SC circuits for signal frequencies up to 1 MHz.

Original language	English
Pages (from-to)	1050-1056
Number of pages	7
Journal	IEEE Transactions on Circuits and Systems
Volume	32
Issue number	10
DOIs	https://doi.org/10.1109/tcs.1985.1085604
State	Published - Oct 1985
Externally published	Yes

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10.1109/tcs.1985.1085604

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abstract = "The influence of the finite gain—bandwidth product of operational amplifiers on the performance of state-space SC circuits is summarized. A new method is then presented which eliminates the amplifier finite-gain effect completely. This makes it possible to use high-speed single-stage amplifiers with moderate gain values (e.g., as low as 100), for precise high-Q filtering applications. In this way, it becomes feasible to design SC circuits for signal frequencies up to 1 MHz.",

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AB - The influence of the finite gain—bandwidth product of operational amplifiers on the performance of state-space SC circuits is summarized. A new method is then presented which eliminates the amplifier finite-gain effect completely. This makes it possible to use high-speed single-stage amplifiers with moderate gain values (e.g., as low as 100), for precise high-Q filtering applications. In this way, it becomes feasible to design SC circuits for signal frequencies up to 1 MHz.

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SC Filters for High Frequencies with Compensation for Finite-Gain Amplifiers

Abstract

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