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Old 6th August 2002, 09:44 PM   #1
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Default Fet regulator circuit

Mosfet and Jfet +15 volt regulator. 2SK170 diffamp with 3mA 2SK170 CCS drain load. ZVP3310 mosfet follower drives IRF510 mosfet follower output. PMI REF01 10 volt voltage reference with RC input and output filters. WIMA and RIFA polypropylene and Seimens Electrolytic caps. Two +15 regulators will be tied together at outputs for +/- 15 outputs. Inputs are seperate 25V CLC filtered supplies with snubbered soft recovery diodes.
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Old 6th August 2002, 10:39 PM   #2
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Interesting circuit. Getting ready for Dorkus' preamp?
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Old 7th August 2002, 12:11 AM   #3
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Default Getting ready for Dorkus' preamp?

I don't think so........ Actually I will use it for preamp circuit I am designing. Designing reglators is as fun as audio circuits and is probably as important to the sound. If it sounds OK I will post schematic if anyone is interested.

H.H.
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Old 7th August 2002, 01:31 AM   #4
jam is offline jam  United States
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Harry,

Holy Cow! Are you ok?

You mean you are actually going to share a full schematic with us?

Praise the Lord.

Jam
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Old 7th August 2002, 02:16 AM   #5
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I built a small regulator today as well. This one is for my CD transport's display. I must say that I really like to do circuits p2p. When doing them often, they even start looking nice.
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Old 7th August 2002, 03:09 AM   #6
Jean is offline Jean  United States
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Awwww

If someone would just tell me where you guys purchase WIMA and RIFA caps ? I would like to my circuits to look nice also and cheap ceramic caps are so ugly .
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Old 7th August 2002, 03:18 AM   #7
tiroth is offline tiroth  United States
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So what is the word with snubbers on soft recovery diodes? Some say they are detrimental, some love them. The usual story, eh?
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Old 7th August 2002, 03:28 AM   #8
paulb is online now paulb  Canada
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Quote:
Originally posted by HarryHaller
If it sounds OK I will post schematic if anyone is interested.
I'm very interested. I'll bet others are as well. Hey, how about a picture of the underside? I'm also interested in stealing ideas on how to build stuff. Thanks in advance, Harry.
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Old 7th August 2002, 04:12 AM   #9
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Default If someone would just tell me where you guys purchase WIMA and RIFA caps ?

I think some of them came from my junk box.

Jocko
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Old 7th August 2002, 06:23 AM   #10
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Originally posted by Jean
Awwww

If someone would just tell me where you guys purchase WIMA and RIFA caps ? I would like to my circuits to look nice also and cheap ceramic caps are so ugly .
ELFA in Sweden has. They sell also on export. Some parts are in english, the rest is in swedish but I can help if wonder about something.

Capacitor is "kondensator" in swedish and search is "sök"

http://www.elfa.se
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