Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: Jeroen Belleman <jeroen@nospam.please>
Newsgroups: sci.electronics.design
Subject: Re: transmission line z
Date: Thu, 12 Jun 2025 00:34:53 +0200
Organization: A noiseless patient Spider
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In-Reply-To: <102cvqn$m96v$1@solani.org>

On 6/12/25 00:26, Leo Baumann wrote:
> Am 11.06.2025 um 23:21 schrieb Jeroen Belleman:
>> On 6/11/25 14:30, Leo Baumann wrote:
>>> Am 11.06.2025 um 11:36 schrieb Jeroen Belleman:
>>>> Supposedly that's exactly _why_ this specific geometry is not
>>>> explicitly included.
>>>
>>> The text in my book states that this line geometry is unstable. Other 
>>> lines and geometries in the vicinity have a significant disruptive 
>>> influence on Z.
>>
>> That is true for any geometry that does not confine the fields.
> 
> So we lay coaxial cables and waveguides.

Sure, but what will you do on a PCB?

Jeroen Belleman