Rather than filter the output of the comparator, he should filter the input and use that as the reference for the comparator.
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8 years ago
-- Rick
Data slicer.
Loading thread data ...
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8 years ago
Possibly. As far as I'm concerned infinities have no real existence. So when you see an infinity sign in an engineering calculation you should probably take it as meaning "really, really big".
-- Tim Wescott Wescott Design Services http://www.wescottdesign.com
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8 years ago
That's the last thing I want - my circuit uses just 3 components.
I don't need a competition to see how complicated that can be made.
What I need is the right search string for Google to find examples of the circuit.
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8 years ago
How hard can it be to describe a circuit using only 3 components!!!!!
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8 years ago
"filter the output of the comparator"?!!!!!
Shall we start with "the cat sat on the mat".................................
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8 years ago
My terminology might be a little vague, but I know what the circuit does - that is my problem getting any sensible results out of Google.
I guess a circuit containing just 3 components is too complex for some people.
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8 years ago
You could start the thread by including a schematics instead of generating guesswork
Cheers
Klaus
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8 years ago
You refer to a circuit that you won't show.
-- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com
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8 years ago
Den mandag den 21. marts 2016 kl. 20.40.39 UTC+1 skrev John Larkin:
I'd expect something like this:
formatting link
-Lasse
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8 years ago
Maybe so.
A lot of similar clever auto-trigger-level circuits are equivalent to AC coupling and zero-cross detection.
-- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com
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8 years ago
Ian Field is a j*rk-off. ...Jim Thompson
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The touchstone of liberalism is intolerance
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8 years ago
That's the one - thanks.
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8 years ago
Seen enough vegetables so far to last me forever................................
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8 years ago
What you gonna do with it?
--
Thanks,
- Win
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8 years ago
Detect pulses on a slowly varying DC offset.
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8 years ago
If you want a really good data slicer, use a veggie-matic.
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8 years ago
Lasse Langwadt already posted a link to the circuit.
All I needed was the description so Google could find more info - not dumbasses making stupid comments.
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8 years ago
"Jim Thompson" wrote in message news: snipped-for-privacy@4ax.com...
You never change.................................
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8 years ago
This hard?
Is this what you mean? Because that RC is a filter, not an integrator.
|\
----x-----------|+\ | | >------- |---R---x---|-/ | |/ | C | | v-
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8 years ago
He clearly said in the 3rd post of the thread:
"the signal is direct to one comparator input, the other input has an integrating capacitor fed via a resistor by the signal on the other pin."
The only ambiguity is that he describes a LPF and calls it an integrator. A simple RC does not integrate as I and one or two others pointed out.