Power distribution and biasing in RF switch-mode power...

Details Power distribution and biasing in RF switch-mode power... Power distribution and biasing in RF switch-mode power...

2007-06-05

2007-06-05

Choe, Henry (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including particular power supply circuitry

C330S310000

Reexamination Certificate

active

11233397

ABSTRACT:
Methods of and apparatus for distributing power and biasing RF PAs. A power distribution network includes a pre-final amplifier stage power distribution network and a final amplifier stage power distribution network. The pre-final amplifier stage power distribution network includes one or more pre-final amplifier stage power distribution branches, which may be configured to distribute power from one or more pre-final amplifier power supplies to one or more pre-final amplifier stages. Each pre-final amplifier stage power distribution branch comprises a π C-R-C network coupled to an inductive load. A final amplifier stage power distribution network is configured to distribute power from a final amplifier stage power supply to a final stage of the amplifier circuit.

REFERENCES:
patent: 6320468 (2001-11-01), Carroll et al.
patent: 6501335 (2002-12-01), Kakuta et al.
patent: 6737923 (2004-05-01), Yamamoto et al.

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