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Old 19th March 2011, 06:24 PM   #51
NYCOne is offline NYCOne  United States
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Peter,

I'm thinkning of using an MUR3020, MSRF860 or MUR1520 with your rectifier boards for a balanced F5. What heatsinking do you use with these pieces?
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Old 26th November 2011, 01:59 PM   #52
jtktam is offline jtktam  Canada
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Peter,

for R2/R4, is there a formula to calculate the value needed for a certain output voltage?

thanks

-joe
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Old 29th November 2011, 02:28 PM   #53
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Quote:
Originally Posted by jtktam View Post
for R2/R4, is there a formula to calculate the value needed for a certain output voltage?
Which regulator you have in mind?
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Old 23rd January 2012, 09:27 AM   #54
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Default Need a power supply board

Peter,

Need a power supply board for Pass F5 build. Let me know where to order and how to order.

Thanks
Pandu
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Old 23rd January 2012, 06:35 PM   #55
johnm is offline johnm  United Kingdom
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Hi Peter.

I wish to use my universal PCB I purchased a while back from you to provide 24V for a Pass Labs B1 buffer.

R1 = 240R
R2 = 5R adjustable

I'm using Black Gate Standard 1000uF/50V for the main PSU caps either side of the LM317 on your board.

Do I need to bother with C1/C2/C5 in your opinion?

Many thanks!

- John
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Old 23rd January 2012, 06:54 PM   #56
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I wouldn't bother with bypasses on main caps but would probably install 10uF cap across adjustable resistor.
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Old 23rd January 2012, 07:47 PM   #57
johnm is offline johnm  United Kingdom
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Quote:
Originally Posted by Peter Daniel View Post
I wouldn't bother with bypasses on main caps but would probably install 10uF cap across adjustable resistor.
Great - I'll do that! Thanks Peter much appreciated
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Old 23rd January 2012, 09:13 PM   #58
johnm is offline johnm  United Kingdom
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P.S. Sorry knew there was something else! Peter do you prefer using a CT transformer and a pair of diodes with your PSU board, or a non CT transformer and 4 rectifying diodes? Which is meant to be the best? Thanks
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Old 19th February 2012, 04:48 PM   #59
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Default ps boards

are these pc boards still available?
where can they be purchased?
thanks,
michael stevener
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Old 19th February 2012, 05:02 PM   #60
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I just run out of therm few days ago. Might get more in a future though.
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Last edited by Peter Daniel; 19th February 2012 at 05:10 PM.
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