Mobile radio system/transmitter with a controllable power amplif

Details Mobile radio system/transmitter with a controllable power amplif Mobile radio system/transmitter with a controllable power amplif

1994-05-12

1996-04-23

Eisenzopf, Reinhard J.

Telecommunications

Transmitter

With feedback of modulated output signal

455127, H01Q 1112, H04B 104

Patent

active

055112390

ABSTRACT:
Transmitter including a controllable power amplifier, whose output signal is fed back to a control input of the power amplifier via a detector device which produces a detector signal for detecting the output power of the power amplifier, and comprising a signal generator for producing a control signal which is used for forming the output signal and has rising and falling edges. A control signal is derived from the comparison of the detector signal with the reference value which control signal has a rising edge and thus also terminates the increase of the transmitted power. The transmitter is used in time-division multiplex systems, more specifically, in mobile and fixed stations in a mobile radio system according to the GSM standard.

REFERENCES:
patent: 4654882 (1987-03-01), Ikeda
patent: 5109538 (1992-04-01), Ikonen et al.
patent: 5179353 (1993-01-01), Miyake
patent: 5212814 (1993-05-01), Iwane
patent: 5309115 (1994-05-01), Hashimoto et al.
patent: 5337006 (1994-08-01), Miyazaki
patent: 5383223 (1995-01-01), Inokuchi

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