This calculator determines the added power efficiency of an RF amplifier. It measures the amplifier’s ability to transform direct current (DC) input power into useful RF output power. A higher PAE indicates more efficient operation and reduced energy losses.
It is particularly useful for RF design engineers, power amplifier designers, and technicians seeking to optimize the power performance of wireless transmission systems.
Formula
PAE = ((RFout – RFin) / RFDC) × 100
Explanation of the formula
- RFin is the input RF power (in Watts).
- RFout is the output RF power (in Watts).
- RFDC is the DC power consumed by the amplifier (in Watts).
- The result indicates the percentage of power usefully converted into RF amplification.
Calculation of PAE for an RF amplifier with 10 W input and 40 W output
Input : RFin = 10 W, RFout = 40 W, RFDC = 60 W
Output : PAE = 50%
Benefits and uses
- Allows you to evaluate the energy performance of an RF amplifier.
- Helps you compare different amplifiers based on their performance.
- Useful for designing low-power systems.
- Essential tool for RF engineers and amplifier circuit developers.