SC Leapfrog Filters Without Additional Adder Stages’

G. Fischer; G. S. Moschytz

doi:10.1109/tcs.1985.1085782

SC Leapfrog Filters Without Additional Adder Stages’

G. Fischer
, G. S. Moschytz

Swiss Federal Institute of Technology Zurich

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

1 Scopus citations

Abstract

In an arbitrary SC leapfrog filter, additional adders or inverters must generally be introduced to perform the necessary signal inversions and summations. Thus an additional (third) amplifier per second-order resonator, or biquad, is required. In this paper, we present a simple method of eliminating these extra stages, so that the number of amplifiers and capacitors in the original biquad blocks remains unchanged.

Original language	English
Pages (from-to)	853-856
Number of pages	4
Journal	IEEE Transactions on Circuits and Systems
Volume	32
Issue number	8
DOIs	https://doi.org/10.1109/tcs.1985.1085782
State	Published - Aug 1985
Externally published	Yes

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10.1109/tcs.1985.1085782

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abstract = "In an arbitrary SC leapfrog filter, additional adders or inverters must generally be introduced to perform the necessary signal inversions and summations. Thus an additional (third) amplifier per second-order resonator, or biquad, is required. In this paper, we present a simple method of eliminating these extra stages, so that the number of amplifiers and capacitors in the original biquad blocks remains unchanged.",

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AB - In an arbitrary SC leapfrog filter, additional adders or inverters must generally be introduced to perform the necessary signal inversions and summations. Thus an additional (third) amplifier per second-order resonator, or biquad, is required. In this paper, we present a simple method of eliminating these extra stages, so that the number of amplifiers and capacitors in the original biquad blocks remains unchanged.

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SC Leapfrog Filters Without Additional Adder Stages’

Abstract

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