Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1980-10-20
1983-10-11
Grimm, Siegfried H.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
364451, G01S 144
Patent
active
044095945
ABSTRACT:
A modulator for RF class C amplifiers particularly suitable for transistor power stages employing FAIL-SOFT. Automatic modulation control operates to independently adjust the gains of a pair of controllable amplifiers whose outputs are then combined, filtered and applied to a class C stage. The output of the class C stage is sampled, linearly detected and processed to produce gain control time-voltage functions which compensate for class C pulse distortion so that a preserved amplified waveshape can be obtained.
REFERENCES:
patent: 3662290 (1972-05-01), Elliot
patent: 4199723 (1980-04-01), Cummings et al.
patent: 4237555 (1980-12-01), Dishal
Grimm Siegfried H.
International Standard Electric Corporation
Kristofferson T. E.
O'Neil W. T.
Westin Edward P.
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