Adjustable transmission power control circuit

Details Adjustable transmission power control circuit Adjustable transmission power control circuit

1995-07-11

1997-02-11

Urban, Edward F.

Telecommunications

Transmitter

With feedback of modulated output signal

455115, 455127, H04B 104

Patent

active

056031068

ABSTRACT:
A transmission power control circuit comprises a control data table in which digital data of a monitor voltage depending on a transmission power level for a plurality of values of transmission frequency and a plurality of values of transmission power are stored. A D/A converter converts selected values of the digital data to an analog signal as a reference voltage. The transmission power is controlled so that the monitor voltage becomes equal to the reference voltage.

REFERENCES:
patent: 4654882 (1987-03-01), Ikeda
patent: 4700151 (1987-10-01), Nagata
patent: 4825193 (1989-04-01), Siwiak et al.
patent: 4939786 (1990-07-01), McCallum et al.
patent: 5193223 (1993-03-01), Walczak et al.
WO-A-8404215, Oct. 25, 1984, (Varian Associates, Inc.), p. 4, line 29-p. 5, line 35; FIG. 2.
Patent Abstracts of Japan, vol. 10, No. 104 (E-397)(2161), Apr. 19, 1986 & JP-A-60-244107 (Nippon Denki K.K.), 4 Dec. 1985.

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