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Re: Backwards Vacuum Tube Curves Photo


 

I believe it's mine -- not with tubes, some medium power bipolar transistors -- the "ascender" slope is negative -- this just started to happen recently. Happens with both N and P type devices. I haven't diagnosed the problem yet and am open to recommendations.

--- In TekScopes@..., Jim Elliott <jimafm@...> wrote:

Actually, I found that photo on a forum.
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I'll try to find it again and contact the guy.
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I couldn't figure it out either, unless he rewired the CRT!

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