Yeah I did. Nothing showed. Circuit works.

At 12:54 PM 6/12/99 -0500, you wrote:
>----- Original Message -----
>From: Ernie Murphy <ernie@SURFREE.COM>
>To: <PICLIST@MITVMA.MIT.EDU>
>Sent: Saturday, June 12, 1999 12:10 PM
>Subject: Re: Osc cap return
>
>
>> Remember small signal analysis? Power rails are both ground. What do you
>> think the impedance of the power supply decoupling cap is at 4 MHz?
>
>
>Yes I do, Perhaps you better make such a measurement, at fundamental and
>harmonics through 1GHz, and consider lead lengths and trace impedance.
>VCC is always some impedance away from GND, and it may be quite significant.
>That osc current through the caps needs to return to the chip's ground, and
>it will, if it has to run all over your system, and radiate on all your
>attached cables to do so.
>
>