Sallen and key‐type RC‐active filters with complex transmission zeros | Zendy

Fliege Norbert | Zendy

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Sallen and key‐type RC‐active filters with complex transmission zeros

Author(s) -

Fliege Norbert

Publication year - 1973

Publication title -

international journal of circuit theory and applications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.364

H-Index - 52

eISSN - 1097-007X

pISSN - 0098-9886

DOI - 10.1002/cta.4490010113

Subject(s) - key (lock) , operational amplifier , rc circuit , amplifier , electronic engineering , transmission (telecommunications) , filter (signal processing) , active filter , engineering , mathematics , control theory (sociology) , computer science , electrical engineering , capacitor , voltage , cmos , artificial intelligence , computer security , control (management)

A second‐order minimum‐phase RC‐active filter with complex transmission zeros is presented. It employs one operational amplifier and is based on a well‐known Sallen and Key resonator. By including an additional difference amplifier a second‐order all‐pass circuit is derived. Both networks have free network parameters which can be used for minimizing the sensitivities of the Q ‐factors of the poles and zeros.

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