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Forum Index : Electronics : Impedance Controlled PCBs

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ryanm
Senior Member

Joined: 25/09/2015
Location: Australia
Posts: 203

Posted: 03:02am 28 Apr 2021

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Hi All,

I'm wondering if anyone on the forum has done much work with impedance controlled PCBs. I want to route the ant pin of a RF module to a ufl connector. Googled the basic theory, wondering if there are any traps for new players?

Ryan.

Solar Mike
Guru

Joined: 08/02/2015
Location: New Zealand
Posts: 1158

Posted: 11:27am 28 Apr 2021

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ryanm said Hi All,

I'm wondering if anyone on the forum has done much work with impedance controlled PCBs. I want to route the ant pin of a RF module to a ufl connector. Googled the basic theory, wondering if there are any traps for new players?

Ryan.

Used to do this sort of thing many years ago, but we had use of a > $30k real time sweep generator and spec analyzer to setup the line for correct response over the frequency range being used. Theory doesn't always match actual measured results, so without the test gear it would be very hit and miss.

Cheers
Mike

ryanm
Senior Member

Joined: 25/09/2015
Location: Australia
Posts: 203

Posted: 12:35pm 28 Apr 2021

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Very hit and miss you say? With PCBs costing $2ea throw it at the wall and see what sticks is actually pretty feasible I recon.

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