The Belleson Superpower, the ultimate voltage regulator ... ? - Page 8 - diyAudio
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Old 11th December 2012, 03:30 PM   #71
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They got their patent:

Superpower Super Regulator by Belleson

Phase margin in this chart (100kHz to 20MHz):

Click the image to open in full size.

Interesting paper discussing Phase Margin and Stability:

http://cbasso.pagesperso-orange.fr/D...y%20factor.pdf
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Old 11th December 2012, 03:46 PM   #72
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Didn't see this thread before; just looked at the Belleson patent.
It seems to me that the one thing I haven't seen before is the way they power the error amp from Vo. That method requires the use of the depletion mode FET as the opamp can never provide more Vout than it's pos supply voltage which is the regulator Vo.
So why do they present the patent mentioning the depletion mode mosfet as if that is significant? I'm pretty sure I can build this concept without the depletion mode mosfet (although maybe not as elegant), so does that mean I can circumvent the patent? Not that I have an intention to do so, just curious to what you guys think.

Edit: Jack, what software is that in post # 71 above?

jan
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Last edited by jan.didden; 11th December 2012 at 03:58 PM.
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Old 11th December 2012, 10:33 PM   #73
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Quote:
Originally Posted by jan.didden View Post
Edit: Jack, what software is that in post # 71 above?
That's the Bode 100 software -- I thought you were going to write some code to do the same thing with your HP 3577.
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Old 12th December 2012, 06:57 AM   #74
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Quote:
Originally Posted by jackinnj View Post
That's the Bode 100 software -- I thought you were going to write some code to do the same thing with your HP 3577.
/OT on
I thought so too
Sold the 3577 ages ago.
Also sold my AP S1, trying to get money together for a Bode 100 myself.
Had a nice chat at AES with Harry Dymond who was very enthousiastic on the Bode 100.
Last time I looked it was still euro 3500 or so...

/OT off

jan
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