Power-dividing and modulating arrangement

Details Power-dividing and modulating arrangement Power-dividing and modulating arrangement

1977-03-30

1979-07-10

Wilbur, Maynard R.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

332 41, 332 55, 333 17M, 343106D, H03C 108, G01S 138

Patent

active

041609603

ABSTRACT:
A power divider and modulator is disclosed comprising a HF signal source which supplies a carrier signal to a pair of 1/4.lambda. transformers each terminated with a variable impedance, whose impedance value is controlled by a modulating signal from a signal source. The amplitude of the carrier signal is modulated by a signal proportional to the sum of the two modulating signals to obtain a reflection free termination at the output of the HF signal source.

REFERENCES:
patent: 3448453 (1969-06-01), Earp et al.
patent: 3882425 (1975-05-01), Briley
Philips Telecommunication Review, vol. 34, No. 1, Apr. 1976, pp. 1-10.

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