Patent ID: 9712125
Date: 2017-07-18
CPC Classifications: H03F,H04B

Claim:
1. A power amplification system comprising: a plurality of cascode amplifier sections, each one of the plurality of cascode amplifier sections including a first transistor and a second transistor; a plurality of common emitter biasing components, each one of the plurality of common emitter biasing components coupled to a base of the first transistor of a respective one of the plurality of cascode amplifier sections and controllable to bias the first transistor of the respective one of the plurality of cascode amplifier sections; a common base biasing component coupled to a base of the second transistor of each of the plurality of cascode amplifier sections and controllable to bias the second transistor of each of the plurality of cascode amplifier sections; and a controller configured to control the plurality of common emitter biasing components based on a band select signal.