Telecommunications – Transmitter – Angle modulation
Patent
1997-05-21
1999-11-02
Eisenzopf, Reinhard J.
Telecommunications
Transmitter
Angle modulation
455126, H04B 104
Patent
active
059786612
ABSTRACT:
A transmitter circuit including an oscillator circuit (30) having at least one input for receiving at least one modulation signal and an output (32) for providing a modulated signal. A modulation circuit (13) is operably coupled to the at least one input of the oscillator circuit (30) for providing the at least one modulation signal and a feedback path (34) between the oscillator circuit (30) and the modulation circuit (13) provides a representation of the modulated signal output from the oscillator circuit (30) to the modulation circuit (13). In response to the modulated signal, the modulation circuit (13) automatically adjusts an amplitude level of the modulation signal.
REFERENCES:
patent: 4387351 (1983-06-01), Furiga et al.
patent: 5507015 (1996-04-01), Karczewski et al.
Caspers Alfred
Roettger Norbert
Banks-Harold Marsha D.
Eisenzopf Reinhard J.
Ghomeshi M. Mansour
Motorola Inc.
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