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From: Christopher Howard <christopher@librehacker.com>
Newsgroups: sci.electronics.design
Subject: Re: signal leads that pick up less ambient noise?
Date: Fri, 21 Feb 2025 11:53:44 -0900
Organization: A noiseless patient Spider
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> I found it essential to have a big die cast metal box with coax
> connectors and low-pass feed-throughs mounted in the walls when
> testing sensitive circuits.  A desktop faraday cage.  Plus lots of
> coax cables between test equipment and the circuit within the box.

Could you clarify/expand on what exactly you are using for the low-pass
feed-throughs and what that looks like? Are you talking about two
separate things on the coax and feed-throughs, or like a coax connector
attached to an RC filter?

-- 
Christopher Howard