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Re: ubitx spurs? Added LPF


 

John,

see this earlier post of mine

/g/BITX20/message/62097

Raj

At 13-04-19, you wrote:
I was about to dig into my parts bin searching for toroids and
I remembered I had those left over.

I'll probably have to order some 30 uH parts. 27 and 33 are easy to get locally, 30 maybe not.

Sounds like the way to go, thanks.

John


On 4/13/2019 6:28 AM, Raj vu2zap wrote:
John,

Very neat job on L5 and L7.

Make the 45MHz IF new filter with SMD parts. What seems to be the culprit is any vertical wire leads in that area
causes trouble. Solder the SMDs directly on the board.

When I get back to town tomorrow I will try it.

Raj

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