From: Jim Brain (brain_at_jbrain.com)
Date: 2007-12-14 22:29:30
raycomp wrote:
> On Dec 13, 2007, at 5:49 PM, Jim Brain wrote:
>
>
>> www.jbrain.com/vicug/gallery/1541IDE/
>>
>
> I do not see the need for all the ground plane on this board. It is
> not an RF circuit in need of shielding, is it?
>
No, it's not for RF.
Yes, given the simplicity of the circuit, the ground plane is not
necessary. However, it's so easy to create one in EAGLE, I see no
harm. As well, during etching, a ground plane removes less copper.
> I do not need to get the etched board myself, I still have 5 or 6 of
> the proto-typing boards with the EXP port card edge connections these
> have a slim buss all the way around the outside (top and bottom) that
> could be connected to the 4 grounds of the port (or one side could be
> ground the other VCC buss). My problem with the proto-types is that
> I would have to wire-wrap to achieve the red layer connections. but
> with sockets on the top side the wires could work on the top-side.
>
> The card edge fingers are longer on these proto boards too.
>
Jim
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