摘要 |
A power amplifying apparatus includes an input terminal configured to receive an input signal, a first power amplifier biased for class A or class AB operation which is configured to amplify the input signal, an output terminal connected to an output of the first power amplifier, a second power amplifier biased for class C operation which is configured to receive and amplify a part of the input signal, and a switch connected between an output of the second power amplifier and the output terminal. |