Amplifier circuit having crossover switching features

Details Amplifier circuit having crossover switching features Amplifier circuit having crossover switching features

1987-05-19

1988-12-27

LaRoche, Eugene R.

Amplifiers

Combined with automatic amplifier disabling switch means

330 69, 330255, H03F 114

Patent

active

047943475

ABSTRACT:
There is disclosed an amplifier unit, provided with a first amplifier for amplifying a first input signal, a second amplifier for amplifying a second input signal, a pair of switches for respectively switching the output of the first amplifier and that of the second amplifier to selectively release either output, and third and fourth amplifiers for respectively amplifying the outputs of the pair of switches to supply the outputs to a pair of loads, thereby avoiding fluctuation in bias state and formation of transient current at the switching operation.

REFERENCES:
patent: 4105942 (1978-08-01), Henry
patent: 4109308 (1978-08-01), Rodel
patent: 4138649 (1979-02-01), Schaffer
patent: 4438408 (1984-03-01), Skrovanek et al.
patent: 4510459 (1985-04-01), Guisinger
patent: 4562405 (1985-12-01), Hansen et al.

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