RF power amplifier
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An RF power amplifier is a type of electronic amplifier used to convert a low-power radio-frequency signal into a larger signal of significant power, typically for driving the antenna of a transmitter. It is usually optimized to have high efficiency, high output Power(P1dB) compression, good return loss on the input and output, good gain, and optimum heat dissipation.
The basic applications of the RF power amplifier include driving to another high power source, driving a transmitting antenna and exciting microwave cavity resonators. Among these applications, driving transmitter antennas is most well known. The transmitter–receivers are used not only for voice and data communication but also for weather sensing (in the form of a RADAR).
Wideband amplifier design 
is defined as the breakdown voltage
is defined as the knee voltage
|Wikimedia Commons has media related to: RF power amplifiers|
- Carlos Fuentes (October 2008). Microwave Power Amplifier Fundamentals. Retrieved 2013-03-05.
- Power Amplifier Design
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