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Mail Archives: geda-user/2012/03/19/21:29:18

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Date: Mon, 19 Mar 2012 21:29:11 -0400
Message-ID: <CACPio-7kELU074THHmC7VsOU8eXvkoCWB9g9-DYndi_du7uT2g@mail.gmail.com>
Subject: Re: [geda-user] repetitive circuits
From: Nathan Stewart <therealnathanstewart AT gmail DOT com>
To: geda-user AT delorie DOT com
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engineering choices aside - I guess the question remains - as I have
2x quad switches in the same circuit, so sidestepping the assignment
by changing parts only adds another turtle to the stack of them
holding up the earth.

On Mon, Mar 19, 2012 at 9:24 PM, Nathan Stewart
<therealnathanstewart AT gmail DOT com> wrote:
> Thanks - I saw the bit about hierarchical schematics but missed the
> bit about being able to use them multiple times. What about refdes
> incrementing and assignment? Right now I've got my filter laid out so
> that there are 6 channels, each using 2 channels of a quad opamp.  I
> guess it's probably better to either draw it as 3x dual channel
> filters, or else swtich to dual opamps. I'm not really space
> constrained, might be easier to lay out anyway.
>
> On Mon, Mar 19, 2012 at 7:04 PM, John Griessen <john AT ecosensory DOT com> wrote:
>> On 03/19/2012 10:28 AM, Nathan Stewart wrote:
>>>
>>> In gschem, Is there any way to cleanly represent repetitive circuit
>>> segments without drawing the same circuit n times, but so that it will
>>> still import correctly into PCB?
>>
>>
>> Have you gotten along at hierarchic schematics?  There are some
>> tools I use here:   http://www.gedasymbols.org/user/john_griessen/
>> http://www.gedasymbols.org/user/john_griessen/tools/pcb-hier-cells
>>
>> I can send you an example project to look at and maybe you will use the
>> project dir method as a model.  My project dirs include necessary config
>> files so that
>> gschem uses local libraries in them.

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