Equalizer circuit for use in communication unit

Details Equalizer circuit for use in communication unit Equalizer circuit for use in communication unit

1984-02-16

1988-03-08

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

333 18, 364724, H03H 1106

Patent

active

047303425

ABSTRACT:
A variable group delay equalizer comprises a delay portion and an amplitude correcting portion. In the delay portion, a group delay frequency response of an input signal is controlled. In the amplitude correcting portion, an amplitude distortion of the input signal caused in a delay portion can be corrected. A variable group delay equalizer with a wider variable range can be obtained by combining a fixed group delay equalizer.

REFERENCES:
patent: 2805398 (1957-09-01), Albershein
patent: 3781722 (1973-12-01), Pierson
patent: 3883830 (1975-05-01), Hekimian
patent: 3997841 (1976-12-01), Borowski
patent: 4333063 (1982-06-01), Ryu et al.
patent: 4477913 (1984-10-01), Koya et al.
patent: 4491808 (1985-01-01), Saito

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