How do you think the AC/DC input switch on the scope is done? I assumed you weren’t putting 150v or so into the scope input with it set to DC.RhythMick wrote: Mon Jul 26, 2021 9:32 pm Ok I see ... But there wasn't a blocking cap in the test circuit, either before or after the D3a.
D3a Triode Square Wave shows HF boost
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Nick
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#16 Re: D3a Triode Square Wave shows HF boost
I think the main reason why Europeans no longer want to travel to the USA is the big time difference. For me, it's now 7pm. In the USA it's now 1933.
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RhythMick
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#17 Re: D3a Triode Square Wave shows HF boost
DohNick wrote: Mon Jul 26, 2021 10:59 pmHow do you think the AC/DC input switch on the scope is done? I assumed you weren’t putting 150v or so into the scope input with it set to DC.RhythMick wrote: Mon Jul 26, 2021 9:32 pm Ok I see ... But there wasn't a blocking cap in the test circuit, either before or after the D3a.
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Mike H
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#18 Re: D3a Triode Square Wave shows HF boost
Sure I've been caught out by similar in the past.
"No matter how fast light travels it finds that the darkness has always got there first, and is waiting for it."