Amplifiers – With control of power supply or bias voltage – With control of input electrode or gain control electrode bias
Patent
1992-10-14
1994-05-03
Mullins, James B.
Amplifiers
With control of power supply or bias voltage
With control of input electrode or gain control electrode bias
330134, 330279, 455116, 455126, 455127, H03G 320
Patent
active
053091159
ABSTRACT:
A burst control circuit for use in a TDMA communications system comprises a power amplifier having two separate control terminals. A level control signal which is the difference between a reference signal and the level of the output burst signal of the amplifier, feedback-controls the level of the output burst signal through a first control terminal, and a waveform control signal having a predetermined waveform, controls the waveform of the output burst signal through a second control terminal. When the level of the reference signal is decreased, the amplitude of the waveform control signal is decreased as a function of the level of the reference signal.
REFERENCES:
patent: 5101176 (1992-03-01), Norimatsu
patent: 5194823 (1993-03-01), Wendt et al.
Hashimoto Kazuya
Horikoshi Daiji
Mullins James B.
NEC Corporation
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