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The system finally allowed me to put a link here. The graph is Fig2 on page 2:
Low-noise zener diode
Similar graphs should be available for these Zeners.
But somehow it must be a National Safety trade secret - so again - did anyone see a graph like that for a HV Zener? I spent a lot of time...
Let's limit the talk to wikipedia:
Ripple (electrical) - Wikipedia, the free encyclopedia
As for the DC/DC convertion - it happens in ALL switching power supplies.
It's just happens the AC is first converted into DC, then to high frequency AC and then back to DC.
Logically a frequency measurement is just counting. So you'd have to use a counter to see how frequent you are going at a time.
Then the count value should go to your PIC, where you would calculate a corresponding number you need {a value between 0.1 and 4.9}.
[Actually I think PIC could also...
I have a problem finding information on the subject of noise level relationship to current flowing through a HV zener in the breakdown mode.
Somehow the manufacturers don't elaborate on the noise issues in Zeners.
The only graph I found so far is Fig. 2 in the 5612568 patent.
I'd post a link...
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