Amplitude equalizer

Details Amplitude equalizer Amplitude equalizer

1987-08-18

1989-09-26

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

333 18, 333 28R, H03H 703, H04B 304

Patent

active

048706582

ABSTRACT:
An amplitude equalizer which adds the outputs of two circuit means having opposite characteristics, whereby a flat delay-frequency characteristic and powerful frequency-amplitude characteristic are obtained. Further, a variable amplitude equalizer including two of the same connected in parallel and a variable attenuator inserted in one of the parallel paths. Still further, an automatic amplitude equalizer wherein the variable attenuator is feedback controlled by an equalization residual. The amplitude equalizer includes a minimum phase circuit and non-minimum phase circuit connected in series.

REFERENCES:
patent: 3551854 (1968-03-01), Koichi
patent: 3868604 (1975-02-01), Tongue
patent: 4027259 (1977-05-01), Zellmer
patent: 4258340 (1981-03-01), Ryu
patent: 4283693 (1981-08-01), Saenz
patent: 4491808 (1985-01-01), Saito
patent: 4730341 (1988-03-01), Saito
patent: 4730342 (1988-03-01), Saito

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