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Anyone tried these 27.5m bpf filters on ebay?


Well anyway I ordered one off of aliexpress for less. It should be here this week. My first order from that site as a test. Hopefully this week's it comes in as it's supposed to and also work like it's supposed to as well.
 
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No amount of fiddling with bandpass filters will knock out noise. That's not what they are for !! It's not what they do !! They have no noise-filtering circuit elements.

You are essentially attempting to fit a round peg into a square hole.
 
I'm not trying to use it as a noise filter circuit. I'm trying to block out radiated rf interference coming in from the antenna path before it gets to the transceiver.
 
Here's what they claim
Screenshot_20240609_172231_eBay.jpg
Screenshot_20240609_172201_eBay.jpg
 

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  • @ BJ radionut:
    +1
  • @ heartbreaker3473:
    Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
  • @ AudioShockwav:
    Wes, it's better if you start a thread on the main forum, more people are going to see your question.
  • @ heartbreaker3473:
    Okay, sorry, will put in a forum
  • @ heartbreaker3473:
    I put it in the general disscution help area and started a new thread. Thank you for letting me know.


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