Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Input power versus output power and (b) input power versus power gain observed in a class-S power amplifier with an input frequency of 20 MHz; (c) frequency versus output power of a class–S power amplifier with an input voltage of 3 VP-P.
