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A600 PA project.
20210522. Parts of this article are still rewritten and updated => Press F5.
© The use, copy and modification of all info on this site is only permitted for non-commercial purposes,
and thereby explicitly mentioning my radio amateur call sign "PA0NHC" as the original writer / designer / photographer / publisher.

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Sokkie : "This is my place".

This "600W 1.8 MHz to 70 MHz linear amplifier" and the accompanying "Low Pass Filter V1.0" were build from kits purchased at
 www.qrpblog.com. 
This amplifier showed design problems. I modified it (TNX to ON9BOG for support) in order to make it more reliable.

  Some
measurements. 		Warnings. Modifications.
20210407 / 20211106 		When and how
installing
ferrite chokes. 		The building story
(more details).
220210403.
The  LPF-switching
PCB is available.
Six meter scales
for 85C1 moving
coil meters
1200DPI A4 PDF
New: 20210504
Print in color on A4 at
size 100% and
high quality. 		Schematics.
220210324. 		Pure Signal
power tap.
 For use of
Hermes Lite2 with
100W to 1500W PAs 		NEW metering PCB.
Components list : 20210522
The new meter PCB is available.		 Back Panel
PCB.
20210407
The back panel
PCB is available.		 Fans.
20210412