Radio frequency protection circuit

Details Radio frequency protection circuit Radio frequency protection circuit

1975-08-29

1976-11-16

Richardson, Robert L.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

330124D, 340147SC, H04B 116, H04B 138

Patent

active

039926699

ABSTRACT:
A diode switch device coupled between two circulators provides signal continuity around an active radio frequency circuit during a failure mode caused by a loss of local supply voltage. Under a normal nonfailed condition, the diode switch short circuits the bypass path, thereby preventing the input signal from bypassing the protected circuit. In the protected failure mode, the short circuit is removed and the input signal is conducted around the failed active circuit.

REFERENCES:
patent: 3051788 (1962-08-01), Seeley
patent: 3305791 (1967-02-01), Wolfe et al.
patent: 3345578 (1967-10-01), Shuda
patent: 3348163 (1967-10-01), Hirst

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