Transmitter power amplifier working at different power supplies

Details Transmitter power amplifier working at different power supplies Transmitter power amplifier working at different power supplies

2006-08-11

2008-12-02

Pascal, Robert (Department: 2817)

Amplifiers

Combined with automatic amplifier disabling switch means

C330S253000

Reexamination Certificate

active

07459969

ABSTRACT:
A method to reduce transmitted output power and the battery consumption is provided. This involves first determining the required output level. The amplitude of the input signal provided to a PA driver may be based on the required output power level. This amplitude may be set by a PGA. A number of cascode bias signals are also provided to the PA driver. These cascode bias signals are based on the required output power level as well. Reducing the cascode bias signals by enabling/disabling circuits within the PA driver allows power consumption of the wireless device to be reduced.

REFERENCES:
patent: 6757526 (2004-06-01), Sharp et al.
patent: 6888411 (2005-05-01), Behzad et al.
patent: 7203511 (2007-04-01), Trachewsky et al.
patent: 2004/0176052 (2004-09-01), Vilhonen et al.

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