Radio transmitter apparatus which optimizes load impedance to ma

Details Radio transmitter apparatus which optimizes load impedance to ma Radio transmitter apparatus which optimizes load impedance to ma

1993-10-26

1995-04-18

Eisenzopf, Reinhard J.

Telecommunications

Transmitter

Power control, power supply, or bias voltage supply

455 99, 455107, 455129, H04B 104

Patent

active

054086914

ABSTRACT:
A radio transmitter apparatus arranged such that transmission efficiency is improved by switching the load impedance on the final stage in response to the power source voltage or the transmission output power.

REFERENCES:
patent: 4313060 (1982-01-01), Fickenscher et al.
patent: 4323788 (1982-04-01), Smith
patent: 4401894 (1983-08-01), Weisner
patent: 4439741 (1984-03-01), Turner, Jr.
patent: 4612669 (1986-09-01), Nossen
patent: 4636741 (1987-01-01), Mitzlaff
patent: 4709403 (1987-11-01), Kikuchi
patent: 4985686 (1991-01-01), Davidson
patent: 5023569 (1991-06-01), Raven
patent: 5033109 (1991-07-01), Kawano et al.
patent: 5276912 (1994-01-01), Siwiak et al.

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