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From: Paul Burridge
Subject: Re: Amplifying stage with *negative* Voltage gain??
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Date: Tue, 10 Dec 2002 15:33:42 +0000
NNTP-Posting-Date: Tue, 10 Dec 2002 17:02:03 GMT
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On Tue, 10 Dec 2002 16:21:21 GMT, analog opined
>Paul Burridge wrote in part:
>> On x10, the readings are now 2v p-p for sig in; 2.4v p-p for sig out.
>> With x1, the readings are 8v p-p for Vin and 2.4v p-p for Vout.
>Notice that the output readings are unchanged by the probe loading.
>Perhaps your emitter follower is working properly and the raw
>oscillator output is being changed by probe loading.
>Per chance do you have a two channel oscilloscope so that you could
>use the 10x probe to observe the effect of making and breaking the
>connection of the x1 probe?
Another imaginitive suggestion. I'll give it a try, thanks (and report
back in due course)
"I was going to help him up, but then I thumped him."
Michael Head's plea in mitigation to Weybridge Magistrates, Sept. 1975
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