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8th February 2010, 01:44 PM
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#1 |
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diyAudio Member
Join Date: Jul 2005
Location: D-55629 Schwarzerden
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SuSy Circlotron - jFET input Buffer + OPA1632 + 2SK135
by the mirror website
DIYAudio.rs I found this topology Lateral MOSFETs SuSy circlotron - DIYAudio.rs By the datasheet of the OPA1632 I missed the internal circuit diagram. This could be helpful for better understanding and implementations of new ideas in the whole circuit. Who knows more about the internal topology? P.S. Google translation isn't good. ZM, please review the translation for us a little http://translate.google.de/translate...-circlotron%2F Last edited by tiefbassuebertr; 8th February 2010 at 01:52 PM. |
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8th February 2010, 02:41 PM
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#2 |
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diyAudio Member
Join Date: Oct 2004
Location: At the sea front, just under Rotterdam
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8th February 2010, 03:09 PM
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#3 |
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diyAudio Member
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
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Juma is funny guy who made this amp ; I believe that he'll chip in and reply whatever you have to ask
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my Papa is smarter than your Nelson ! tnx to  clean  thread ; Cook Book ; PSM LS Cook Book ; Baby Diyaudio FORUM ; BAF Forum & Gallery;I'm dumb
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8th February 2010, 03:30 PM
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#4 | |
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diyAudio Member
Join Date: Jul 2005
Location: D-55629 Schwarzerden
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Quote:
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8th February 2010, 06:28 PM
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#6 |
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diyAudio Member
Join Date: Oct 2004
Location: At the sea front, just under Rotterdam
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Next from Cyberdyne Systems : the fully differential BF862 discrete opamp.
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8th February 2010, 08:15 PM
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#7 | |
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diyAudio Member
Join Date: Jul 2005
Location: D-55629 Schwarzerden
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Quote:
Where you have this discovered? A certain similarity to the AD797 should not be overlooked (see attachement). The difference is mainly the balanced buffer driving and the absence of current mirror. Current mirror was often used for unbalanced output. But I hate current mirrors. Check out therefore this: AD797 discrete clone - comparison of seven variations Now I try to create some discrete versions for such a circlotron with voltage gain Last edited by tiefbassuebertr; 8th February 2010 at 08:19 PM. |
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8th February 2010, 08:28 PM
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#8 |
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The one and only
Join Date: Mar 2001
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TI had the good taste to license the patent.
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8th February 2010, 10:34 PM
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#10 | |
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diyAudio Member
Join Date: Oct 2004
Location: At the sea front, just under Rotterdam
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Quote:
Also read SLOA072 and SLOA99 from TI
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