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Author Topic: Help required for repairing a High power RF source.  (Read 526 times)
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itp
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« on: September 15, 2018, 12:27:43 00:27 »

Hi All,
I need your help.
I have received an RF POWER source of a CO2 laser for repair.

Major Specifications of the Source are:

1. Frequency : 81MHz
2. RF Power Output: 3000W
3. DC Input: 48VDC, 100A
4. The Power section is based on NXP BLF177 FET.

I am new to RF Circuits. Can anybody share information about general procedure to
repair such high power rf source, videos, circuits, safety precautions etc.

Regards
Itp



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bobcat1
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« Reply #1 on: September 15, 2018, 05:44:26 05:44 »

Hi
There is a facebook ham group who deal with high power kilowatt PA
I think you should consult them how to repair your amp

All the best

Bobi
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zab
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« Reply #2 on: September 16, 2018, 07:25:43 19:25 »

check this for basic RF circuit
http://www.vklogger.com/forum/viewtopic.php?t=8496
http://dn-radio.com/units/1200w-hf-linear-amplifier-board-mosfet-4x-vrf2933-hi-power

lot of circuits are there dealing with RF .hope you can get basic way of doing

http://www.vklogger.com/forum/download/file.php?id=431
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