Adaptive radio frequency intermodulation minimizing apparatus

Details Adaptive radio frequency intermodulation minimizing apparatus Adaptive radio frequency intermodulation minimizing apparatus

1981-12-31

1984-02-07

Mullins, James B.

Amplifiers

Hum or noise or distortion bucking introduced into signal...

328162, 330286, 330 53, 333 11, 333 17M, 455295, H03F 126, H04B 1500

Patent

active

044306199

ABSTRACT:
Apparatus is provided for inhibiting the generation of intermodulation products in a radio frequency amplifier coupled to a circulator. A control circuit generates a control signal exhibiting indicia of the amount of isolation provided by the circulator. The control signal is provided to a variable impedance synthesis circuit coupled to the circulation isolation port such that the impedance synthesis circuit exhibits the appropriate impedance to maximize circulation isolation. Intermodulation is thus minimized.

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