Muting circuit

Details Muting circuit Muting circuit

1982-05-21

1983-11-22

Anagnos, Larry N.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307542, 307549, 307254, H03K 500, H03K 1760

Patent

active

044171650

ABSTRACT:
A muting circuit having a first resistor (R10) one end (a) of which is supplied with an input signal, a second resistor (R12) serially connected to the first resistor, a first transistor (14) whose collector is connected to the junction point (b) of the first and second resistors, and a second transistor (16) whose collector is connected to the other end (c) of the second resistor. The emitters of the first and second transistors are grounded, and the bases thereof are supplied with a DC muting signal. An output signal derived from the other end of the second resistor is attenuated when the muting signal is supplied to the first and second transistors.

REFERENCES:
patent: 3263091 (1966-07-01), Cole et al.
patent: 3469173 (1969-09-01), Ohashi et al.
patent: 3636385 (1972-01-01), Koepp
patent: 3737678 (1973-06-01), Dolby et al.

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