Jonathan Kirwan wrote:

On Mon, 06 Aug 2007 19:35:40 GMT, Joerg
wrote:


Jim Thompson wrote:


Joerg, Why don't you try the attached version?


Ok, just did: It chokes, creating humongous bursts of spikes on VCC.
There is no longer a normal oscillation :-(


Can you try it more like this?

||
,---/\/\----+---||------,
| 1M | || 10n |
| | |
| \ |
| / 1M |
| \ |
| | |
| |\ | |\ |
+---| o----+----| o---'
| |/ |/
|
---
--- 10p
|
gnd


Thanks, Jon, done that before and it did not help the cross current at all.

--
Regards, Joerg

http://www.analogconsultants.com