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RF / Antenna Help - Round 2

 
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jluckey(at)pacbell.net
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PostPosted: Thu Nov 09, 2023 10:42 am    Post subject: RF / Antenna Help - Round 2 Reply with quote
RF Gurus,
What is this C-shaped gizmo in attached photo #1? Something to do with impedance matching??
Attached photo #2 show where it goes - inside the antenna connector of an Icom A210.

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Ceengland



Joined: 11 Oct 2020
Posts: 391
Location: MS
PostPosted: Thu Nov 09, 2023 11:01 am    Post subject: RF / Antenna Help - Round 2 Reply with quote
On 11/9/2023 12:40 PM, Jeff Luckey wrote:

Quote:
RF Gurus,


What is this C-shaped gizmo in attached photo #1?  Something to do with impedance matching??


Attached photo #2 show where it goes - inside the antenna connector of an Icom A210.








I've always assumed that your 1st guess is accurate; impedance matching by making the insulation gap capacitance similar in the joint to what it is in the coax. But...That's my assumption; I have no data to support the guess.
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