Dual-mode, dual-load high efficiency RF power amplifier

Details Dual-mode, dual-load high efficiency RF power amplifier Dual-mode, dual-load high efficiency RF power amplifier

2006-12-06

2008-09-23

Pascal, Robert J. (Department: 2817)

Amplifiers

Combined with automatic amplifier disabling switch means

C330S129000

Reexamination Certificate

active

07427894

ABSTRACT:
A radio frequency (RF) amplifier has a driver device, an output device, and first and second impedance transformation networks. In a first operating mode the output device is turned on and the first impedance transformation network presents a first load impedance to the output device. In a second operating mode, the output device is turned off and the second impedance transformation network connects an output of the driver device to the first impedance transformation network and presents a second load impedance to the driver device. The second load impedance is greater than the first load impedance.

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