[amsat-bb] Filter out 3rd harmonic of 145MHz

[Mike Diehl]

The first question I would ask is if 100w is really necessary. After that, you may want to look into using a diplexer as a low pass filter or find a dedicated 2m LPF. 

Mike Diehl
AI6GS 

> On Mar 26, 2017, at 11:58 AM, Paul Baldock <pbaldock at frontier.com> wrote:
> 
> I'm looking for a filter suggestion to reduce the third harmonic (435 MHz) of my 145MHz 100W signal. How much attenuation would I get from a simple 435MHz quarter wave stub?
> 
> Thanks
> 
> - Paul KW7Y
> 
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