TRANSMISSION STAGE COMPRISING PHASES AND AN AMPLITUDE REGULATING LOOP

摘要

Disclosed is a transmission stage that is designed according to polar loop technology and comprises an amplitude-regulating device (16), a phase- regulating device (17), a VCO (14), and a feedback path (19). A variable amplifier (19b) is arranged in the feedback path. The amplitude-regulating device (16) is configured so as to be triggered by a control device (22) according to a request for a variation in power of the output signal of the amplifier, allowing an amplitude control signal for the power amplifier (13) to be varied accordingly. The control device is configured so as to trigger the variable feedback path amplifier accordingly such that the amplitude of the output signal of the variable feedback path amplifier remains within a narrowly limited predetermined range, whereby variations in power of the output signal of the amplifier that is operated in the non-linear range are kept away from the phase-regulating loop such that the phase-regulating devi ce can be implemented in an inexpensive manner while operating in a reliable fashion.