Your opinion on the subject is less interesting.
It's a circuit diagram, not a simulation. Do you find that you have to simulate this kind of stuff?
-- Bill Sloman, Nijmegen
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15 years ago
431 shunt regulator help
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15 years ago
-- Pity, since it was succinct and easy to understand, but understandable, since you prefer to publish a thousand words\' worth of smoke and mirrors instead of a single picture.
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15 years ago
An approach that I like is to take an I-Q modulator with a quadrature LO signal running at some GHz and then clock a counter from the filtered output of that modulator. The I and Q baseband inputs of the modulator are driven by DACs. You can add or remove fractions of a RF cycle or several cycles by feeding the appropriate sine and cosine signals to the I-Q modulator. The jitter should be quite good but I have never tried to build a discrete one however.
Chris
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15 years ago
In other words, it reflected your inadequate understanding of the problem.
Or so you would like to think.
Of course not. For some bizarre reason. he wanted to do the job with a TL431, which needs a minimum cathode current of 1mA to perform to specification. The LM4040C50FTA can get by with 60uA.
It's always nice to check your solution. My sub-concious does it for me, but it does seem to take it's time.
And one should confine one's self to posting about stuff where one knows what one is talking about, which would pretty much silence you.
-- Bill Sloman, Nijmegen
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15 years ago
"John Larkin" schreef in bericht news: snipped-for-privacy@4ax.com...
It was called double-buffering when we did it for our stroboscopic electron beam tester back in 1989-91. That machine was intended to sample as fast as the secondary electron detector would let us, (which should have been about 25MHz but got stuck at 12.5MHz for fairly irritating practical reasons) and collected samples at every possible point on the stroboscopic cycle in arbitrary succession.
Looks like a me-too of the MC100E196 - which is also guaranteed monotonic, like the MC100E195. The "better" I might believe if I had some independent measurements to look at.
Success stories are tediously similar.
Same company. It seems to get badge-engineered every few years.
As I'm well aware. The solution for my application was going to be to spend a millisecond or so measuring all 128 delays every few minutes and adjust the programmed delays accordingly. Other applications would call for different approaches
Most of the ones that I looked at seemed to be monostables that marketing wanted to sell as delay lines.
-- Bill Sloman, Nijmegen