Class-E Power Amplifier

Class-E PCB Prototype Experimental Circuit

Here we give a brief overview of the results and Design methodology used for the efficiency optimized  input & output impedance matched Class-E Power amplifier.
Below is a list of all the topics we cover in this page. Go ahead and click on any of these links, and you’ll be taken to that specific section.

If you would like to know more background information about the Class-E power amplifier and why we designed it, click on button on the right to find out more.

Background And Purpose

DESIGN PROTOTYPE

Video showing the top and bottom view of an early version of the Class E PCB prototype.

Class-E Prototype experimental setup circuit blocks

MeasurementResults
Output Peak Voltage42Vpeak
Input DC Current0.69A
Efficiency (with Vsupply = 36V, Rout = 50Ω71%

Why Schematic Efficiency Higher?
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DESIGN SCHEMATIC

Class-E Final Design Schematic In PathWave ADS

MeasurementResults
Output Power17.9W
Input Power19.9W
Efficiency89.8%

Why Prototype Efficiency Lower?
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CLASS-E DESIGN PROCESS

DEVICE SELECTION
IDEAL SIMULATION
OUTPUT MATCH
INPUT MATCH

STEP-BY-STEP-WALKTHROUGH-EXAMPLE

TEXT AND IMAGES
VIDEO EXAMPLE

Video Showing A Step-By-Step Walkthrough Of The Design Process For The Final Design.
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