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Mail Archives: geda-user/2023/04/10/17:48:55

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From: "karl AT aspodata DOT se [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] Possible attribute conflict for refdes: R35
In-reply-to: <ZDJf77WYPzukCOpS@lt-gp.iram.es>
References: <20230408211414 DOT 675848499AA9 AT turkos DOT aspodata DOT se> <ZDJf77WYPzukCOpS AT lt-gp DOT iram DOT es>
Comments: In-reply-to "Gabriel Paubert (paubert AT iram DOT es) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
message dated "Sun, 09 Apr 2023 08:49:19 +0200."
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Date: Mon, 10 Apr 2023 23:28:23 +0200 (CEST)
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> On Sat, Apr 08, 2023 at 11:14:14PM +0200, karl AT aspodata DOT se [via geda-user AT delorie DOT com] wrote:
> >  What value to be used for a resistor array with R1 = R4 < R2 = R3 ?
> You mean like Vishay's ACAS series?

Yes, actually.

...
> What I've done is to define a symbol with multiple slots (actually 2 in
> my case since I use ACASN, not ACASA) and I have added another attribute
> ("label" or "val" depending on my mood at the time) which is visible
> in the symbol (and therefore promoted) and has a default value of "?".
> 
> Then I just edit this value on the symbol instance. It's not perfect
> since it does not enforce R1 = R4 and R2 = R3, but it's only a
> documentation item. The important information for assembly is the device
> name (for example ACASN1002S5002).
...

I think I'll go with attr. R1=1k etc. and value "ACAS 1k 10k" to 
minimize clutter, if I need the full part number I'd add that as
a separate inv. attribute or perhaps rather in a table.

Regards,
/Karl Hammar

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