Dual mode power amplifier for radiotelephone

Details Dual mode power amplifier for radiotelephone Dual mode power amplifier for radiotelephone

1990-07-05

1991-10-22

Kuntz, Curtis

Telecommunications

Transmitter

Convertible to different type

3072961, 307490, 330296, 330 51, 455127, H03F 304, H04B 104

Patent

active

050602942

ABSTRACT:
A dual mode power amplifier operable in etiher the linear mode or the saturation mode. The power amplifier, when comprising a portion of a radio transmitter, permits efficient amplification of either a frequency modulated or a composite modulated signal by operation of the amplifier in the saturation mode or the linear mode, respectively. A processor determines the modulation-type of the signal and generates a signal to cause operation of the amplifier in either the saturation mode or the linear mode.

REFERENCES:
patent: 4034308 (1977-07-01), Wermuth et al.
patent: 4257009 (1981-03-01), Yorkanis
patent: 4446440 (1984-05-01), Bell
patent: 4901032 (1990-02-01), Komiak
patent: 4924191 (1990-05-01), Erb et al.
patent: 4955083 (1990-09-01), Phillips et al.

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