POWER AMPLIFIER

Transmitters and Receivers Glossary

Transmitters and Receivers — Power Amplifier

Information on Power Amplifier (Power Amp)

A power amplifier is one that is designed to provide a high output current to drive a low-impedance load.
     In a transmitter, a power amplifier is used to drive the antenna.
     In a receiver, the power amplifier is part of the AF stage (audio-frequency stage), and often drives a loud speaker.

If you wish to propose other entries for our glossaries, please contact Argos Press. © Argos Press Pty Ltd, Canberra, 2003-2004. All rights reserved. Please also contact Argos Press Pty Ltd to request permission to reproduce, broadcast, adapt and communicate Argos Press content (for example this glossary entry on Power Amplifier (Power Amp)).