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From: Terry Pinnell
Subject: Re: SPICE simulation goes awry?
Date: Tue, 10 Dec 2002 20:21:08 +0000
NNTP-Posting-Date: Tue, 10 Dec 2002 20:21:29 +0000 (UTC)
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Paul Burridge wrote:
>I'm running some tests on a selection of circuits supplied with this
>version of spice I'm currently trying out. I've noticed that when I
>run a TA on a 7Mhz Colpitts oscillator with a 1v supply rail WRT GND
>(this is the specified value in the schematic although it seems
>*bloody* low to me) I get a steadily increasing output signal sine
>wave of well over 13volts (and it's *still* climbing by the time I get
>fed up watching it). How can this possibly be right? It's hardly
>likely in the real world (even with my scope:-)).
Is it possibly due to resonance? Can you post circuit and I'll try it
Hobbyist, West Sussex, UK
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