Equalizer circuit

Details Equalizer circuit Equalizer circuit

1975-12-04

1977-12-13

Dahl, Lawrence J.

Amplifiers

Signal feedback

Phase shift means in loop path

330109, 333 28R, 333 80R, H03F 136

Patent

active

040631877

ABSTRACT:
A Bode equalizer which has as one active element thereof a high-gain, differential-input amplifier and which has as a second active element a variable negative resistance, the equalizer circuit being controlled by a resistance arrangement which effectively comprises a series-connected, fixed resistor and the variable negative resistance.

REFERENCES:
patent: 3646464 (1972-02-01), Boggs
patent: 3753140 (1973-08-01), Feistel

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