Re: Pulses on breadboard supply lines
- From: "Tim Williams" <tmoranwms@xxxxxxxxxxx>
- Date: Mon, 12 Dec 2005 02:16:50 -0600
Idunno, put on more caps? LOL
Electrolytics with low ESR, like removed from switching supplies, might
help. Not that contact resistance helps that any, but that shouldn't matter
too much. (I've pulled 20A through them protoboard rails and it seems okay
with it!)
Tim
--
Deep Fryer: a very philosophical monk.
Website: http://webpages.charter.net/dawill/tmoranwms
"bonzer" <google@xxxxxxxxxxxxxxx> wrote in message
news:1134347744.782211.170090@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> I have been put together a circuit on solderless breadboard that links
> a z80 to my pc serial port. I ran a program that continually sends data
> from the pc and the z80 circuit echoes it back so I can see that it
> works ok. The problem is that characters being sent are sometimes being
> corrupted. If I put my logic probe on the ground lines off the
> breadboard, a pulse on the ground line is heard at the same time a
> character is corrupted. I'm assuming it's these pulses on the ground
> lines that are causing a mis-read of data. The data is only being read
> and transmitted at 9600bps.
>
> How can I get rid of these glitches?
>
.
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