Method and apparatus for providing transmitter protection

Details Method and apparatus for providing transmitter protection Method and apparatus for providing transmitter protection

1994-06-23

1995-04-04

Mullins, james B.

Amplifiers

Miscellaneous

Amplifier protection means

330298, 455117, H03F 152

Patent

active

054041147

ABSTRACT:
An RF transmitter protection circuit for providing protection to a power amplifier includes circuitry for sensing the presence of an input excitation signal applied to the input of the power amplifier. Circuitry is provided for monitoring an output signal generated by the power amplifier at the output of the power amplifier and for generating a signal proportional to the output signal. Circuitry is further provided for applying the signal generated by the monitoring circuit to the input of the power amplifier in response to a loss of input signal detected by the sensor.

REFERENCES:
patent: 2479548 (1949-08-01), Young
patent: 2816180 (1957-12-01), French
patent: 3449680 (1969-06-01), Schilb et al.
patent: 4011512 (1977-03-01), Drury
patent: 4485349 (1984-11-01), Siegel et al.
patent: 4673886 (1987-06-01), Bickley et al.
patent: 4802237 (1989-01-01), Covill

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