Amplifier arrangement, polar transmitter having the...

Details Amplifier arrangement, polar transmitter having the... Amplifier arrangement, polar transmitter having the...

2006-07-21

2009-08-04

Vo, Nguyen (Department: 2618)

Telecommunications

Transmitter

Noise or interference elimination

C455S127300

Reexamination Certificate

active

07570930

ABSTRACT:
An amplifier arrangement contains a first signal input for supplying a carrier signal, a second signal input for supplying an amplitude modulation word and an amplifier stage. The amplifier stage is connected to a reference potential connection and, by means of a control connection via a means for DC signal suppression, to the first signal input. A DC voltage converter having a first connection for supplying a potential is designed to convert the potential into a supply potential, which is variable over a period of time, on the basis of a control signal, and outputs the supply potential to the second connection of the amplifier stage. In addition, the amplifier arrangement comprises a digital/analog converter which is coupled to the control connection of the amplifier stage. The input of the converter is connected to the second signal input.

REFERENCES:
patent: 7400865 (2008-07-01), Jarvinen
patent: 2005/0032488 (2005-02-01), Pehlke et al.
patent: 2005/0191976 (2005-09-01), Shakeshaft et al.
patent: 2008/0248766 (2008-10-01), Rosnell et al.
patent: 600 02 738 (2004-04-01), None

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