Hysteresis Controller with constant switching frequency
This paper seems to be interesting:
It was interesting the first time we'd seen it, and the second. Look for a thread by analogspiceman on this.
You mean this one ?
Well... at least everybody could read it now… not only you and Analog with your secret mail exchanges :clown:
Good job hunting that down :) That's exactly the thread I had in mind.
Wau! What a tread!
Analogspiceman complains because has no inductor sense winding but this info is cleary visible on
the page 3 sch of the posted document.
Also on the picture of page 4 is easy to count the turns ratio 20:1.
As far as I understand, every body searches for a constant frequency solution…
What about the use of a PLL control referenced to a crystal oscillator?
One could control the reference of the comparator with the PLL and force a "constant" frequency! :whip:
Some thing like this: http://www.freepatentsonline.com/5160896.pdf
but with PLL instead of multiplier
Olivença é nossa!
Canas a concelho!
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