RF Amplifier Drain Efficiency Calculator

This page provides an RF Amplifier Drain Efficiency calculator and explains the drain efficiency formula used. You can use the Power Unit Converter to convert power from dBW to Watts for use in this calculator.

EXAMPLE:

• INPUTS: Pout = 18 Watt, Pdc = 50 Watt
• OUTPUT: RF Amplifier Drain Efficiency = 36%

RF Amplifier Drain Efficiency Equation

There are three main types of efficiency used when discussing RF Amplifiers:

• Power Added Efficiency
• Overall Efficiency
• Drain Efficiency

The following equation or formula is used in the RF Amplifier Drain Efficiency calculator: