Split-ring digital phase modulator

Details Split-ring digital phase modulator Split-ring digital phase modulator

1977-04-20

1978-05-09

Kominski, John

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

332 47, H03C 338

Patent

active

040889670

ABSTRACT:
A transformer coupled split-ring diode modulator for digital phase modulation of a data stream in which the diodes are back-biased so as to provide additional attenuation of in-band fold-over side lobes which appear in the pass-band; the additional attenuation resulting from a cosine attenuation function which is dependent upon the switching time of the diodes and hence the bias voltage applied thereto.

REFERENCES:
patent: 2902659 (1959-09-01), Ketchledge
patent: 3029399 (1962-04-01), Leeds

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