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Author Topic: Yaesu FF-501 LPF...  (Read 4671 times)
G8OGJ
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« on: November 11, 2004, 05:10:09 AM »

Folks,  does anyone happen to recall the power handling of the Yaesu FF-501 low-pass filter?  Specifically, will it be ok with 100W?

Best Regards

Ian
G8OGJ
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KV4HK
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Posts: 1




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« Reply #1 on: December 22, 2004, 07:43:43 AM »

Hello OM,

I have one of these filters,I beleive that I purchased it back in 1978-79.

I know for sure it handles 100w as I used it exclusively with my Yaesu FT-101ZD at that time, which is a 100+ watt XCVR.

I want to say that it will handle the full legal limit, however I can not find my documentation that came with it.

If you now have any information to add to this let me know and I will put a label on mine.

Hope this helps.

RevTobeyJr
KV4HK

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SM7TKR
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« Reply #2 on: November 11, 2006, 09:44:36 AM »

I have an old Japanese manual :-O
It looks like the FF-501DX LPF can handle 1.2kW (PEP) with a damping factor of 80dB > 75MHz.
The damping factor 0-38MHz is about 0.5dB.
I have never used my LPF with more than 100W though.

Emil, SM7TKR
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