From: Paul Burridge
Subject: Re: Amplifying stage with *negative* Voltage gain??
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Date: Mon, 09 Dec 2002 09:18:26 +0000
NNTP-Posting-Date: Mon, 09 Dec 2002 10:46:49 GMT
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On Fri, 06 Dec 2002 07:56:21 -0500, Mike Monett opined
>> It's rated up to 60MHz, Mike. And switchable for X1/X10.
>Do you get the same indicated voltage in either mode?
Nope. There's a big difference (see my other post)
>Well, Paul, I've tried simulating your circuit with the emitter and collector
>swapped, and with the collector open. In both cases, I get a lot more than 2V
If the X10 setting is to be believed, it's a case of just over 2v in
., just over 2 volts out...
>So aside from a bad transistor, miswire, parasitic oscillation, bad probe,
>scope out of calibration, probe out of calibration, poor bypassing, bad probe
>ground, poor circuit ground, excessive wire length, mismarked component,
>defective component, or a bad solder joint, I haven't got the foggiest clue
>what could be causing the problem:)
Could it be the measurement itself?
"I was going to help him up, but then I thumped him."
Michael Head's plea in mitigation to Weybridge Magistrates, Sept. 1975