Modulators – Amplitude modulator – Nonlinear device controlled by modulating signal
Patent
1975-03-31
1977-01-04
Kominski, John
Modulators
Amplitude modulator
Nonlinear device controlled by modulating signal
325316, 332 41, H03C 150
Patent
active
040017290
ABSTRACT:
An FM to AM converter which utilizes a source of unmodulated radio frequency energy, two mixers, and a filter to convert an FM signal to an AM signal. The incoming FM signal is mixed with the unmodulated RF energy. The mixed signal is then passed through a filter to generate AM on the mixed signal together with the FM. The amplitude modulated mixed signal is then mixed with the original FM signal to trip off the FM from the amplitude modulated mixed signal thereby generating an AM signal.
REFERENCES:
patent: 2347398 (1944-04-01), Crosby
patent: 3348168 (1967-10-01), Melchior et al.
Hammond Noel B.
Hughes Aircraft Company
Kominski John
MacAllister W. H.
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