A 500 Watt HF PA, Part 8: Complete Schematics

This is the last post in my series of posts describing my 500 watt HF PA project:

In this post I have gathered all of the schematics that were scattered across the previous posts.

But first, the block diagram, for reference:

And now, Schematics!

PA Assembly:

LPF Assembly:

Power Supply and Supervisory Circuitry (and Fan Control):

T/R Switching and Output Directional Coupler:

Front Panel and Controller Assembly:

Back Panel and Interconnects:

That's it!  The other posts in this series are here...

K6JCA HF PA Posts:

• A 500 Watt HF PA, Part 1: Overview
• A 500 Watt HF PA, Part 2:  PA (and Bias) Assembly
• A 500 Watt HF PA, Part 3:  Low-pass Filter Assembly (including LPF-Input Directional Coupler)
• A 500 Watt HF PA, Part 4:  Power Supply and Supervisory Circuitry
• A 500 Watt HF PA, Part 5:  T/R Switching and Output Directional Coupler
• A 500 Watt HF PA, Part 6:  Front Panel and Controller Assembly
• A 500 Watt HF PA, Part 7:  Back Panel, Interconnects, and Miscellaneous
• A 500 Watt HF PA, Part 8:  Complete Schematics

Standard Caveat:

I might have made a mistake in my designs, schematics, equations, models, etc.  If anything looks confusing or wrong to you, please feel free to leave a comment or send me an email.

Also, I will note:

This design and any associated information is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without an implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.