Circuit for controlling the frequency and/or phase response of a

Details Circuit for controlling the frequency and/or phase response of a Circuit for controlling the frequency and/or phase response of a

1995-02-22

1998-09-22

Harvey, Minsun Oh

Electrical audio signal processing systems and devices

Including phase control

381 98, 330144, 327237, H03G 500

Patent

active

058126872

ABSTRACT:
A circuit for controlling frequency and/or phase response characteristic of a signal amplification system or channel has a serial architecture composed of a plurality of cells and a selector for deriving the signal after any one of the cascaded cells. At least one component of the RC network of each cell is in the form of a plurality of elements connected in series, each of the elements having a value which is a fraction of the design value of the component. A short-circuiting switch is associated with each element; the overall effect may be chosen by selecting the derivation node of the output signal and a certain configuration of the short-circuiting switches of the RC networks of the various cells. An outstanding flexibility of selection is achieved.

REFERENCES:
patent: 4805126 (1989-02-01), Rodems
patent: 5201009 (1993-04-01), Yamada et al.
Patent Abstracts of Japan, vol. 17, No. 494 (E-1428) Sep. 7, 1993 & JP-A-05 122 795 (NEC Corp).

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