On Sun, 10 Sep 2006 23:29:10 -0400 DJ Delorie <[EMAIL PROTECTED]> wrote:
> If I put a scope probe on either feedback line (pins 1 or 13), they > drop out of sync and the two LEDs pulse back and forth (about 17Hz). This seriously looks like a missing GND or VCC. You might be supplying one of the chips thru the protection diodes of the other. Check output amplitude - they'll be different in that case. John _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user