March 2009
Intermediate to advanced
496 pages
13h 49m
English
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Chapter 5. RF Power Amplifiers
This chapter takes us to the heart of the RF front end, the power amplifier. And, it serves as our introduction for the next few chapters of this text that deal with this crucial device. Offering one of the best treatments of power amplifier classes, this chapter goes beyond simple definitions to include extensive details and schematics of Class A, B, AB, and C amplifiers.—Janine Sullivan Love
A power amplifier is a circuit for converting an input signal and DC power into an output signal of significantly higher output power for transmission in a radio system. The output power required depends on the distance between the transmitter and the receiver. In a cellular system, the output power must overcome propagation ...
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