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Old 3rd March 2006, 09:03 PM   #1191
6h5c is offline 6h5c  Netherlands
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Quote:
Originally posted by rowemeister
Also an update on my reg pcb tweeked a bit more.

Hope it filters ok

Brent
Hi Brent,

Did ya calculate the bypass cap's value to match R1?

Ray.
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Old 3rd March 2006, 10:19 PM   #1192
awpagan is offline awpagan  Australia
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just found this
may help
XO powersupply PCB board diagram

allan
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Old 4th March 2006, 12:05 AM   #1193
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Quote:
Originally posted by 6h5c


Hi Brent,

Did ya calculate the bypass cap's value to match R1?

Ray.
Not yet.....lol

been to busy at work!

also not sure what value to use on r1 yet.

Ray if you have some good advice its welcome.
I specialise in lots of areas of electronics but im not major in dc ripple and its filtering.

What I have come up with is my own idea but am unsure of exact values without spending ages with scope.

Quote:
Originally posted by awpagan
just found this
may help
XO powersupply PCB board diagram

allan
cheers
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Old 4th March 2006, 02:52 AM   #1194
awpagan is offline awpagan  Australia
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post 38 by ALW

undecided on super reg's
which way to go and where to acqire components

simple 317
Marantz CD67 clock mod.. my experiences


allan

ps everyone has there views on different reg's
this is a cheap and easy solution to remove 78' series
until you find something better
but not bought

pps I think andy has already referred to the shunt reg on this thread?
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Old 4th March 2006, 06:36 AM   #1195
6h5c is offline 6h5c  Netherlands
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Quote:
Originally posted by awpagan
just found this
may help
XO powersupply PCB board diagram

allan
Hey Allan, cool link!


Brent,

Did you read this:

Quote:
Originally posted by fmak
The Audiocom Supetregulator collapses under XO load and spews out hf noise spectra like someone is going sick!!
Regards,

Ray.
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Old 4th March 2006, 06:47 AM   #1196
awpagan is offline awpagan  Australia
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Quote:
Originally posted by 6h5c


Hey Allan, cool link!


Brent,

Did you read this:



Regards,

Ray.
some of the links to other conversations have more details

never did find a response to alf's circuit?

although the grd on the 317 just seems nice simple idea.


allan
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Old 4th March 2006, 07:59 AM   #1197
poynton is offline poynton  United Kingdom
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Quote:
Originally posted by 6h5c


Hey Allan, cool link!


Brent,

Did you read this:



Regards,

Ray.

Hi ,

Ray - where is the quote from??

Andy
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Old 4th March 2006, 08:04 AM   #1198
poynton is offline poynton  United Kingdom
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Default Clocks and PSUs

Hi,

On the subject of clocks :-

http://www.net-audio.co.uk/microclock.html


On psu's :-

http://www.wenzel.com/documents/finesse.html


Andy
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Old 4th March 2006, 08:44 AM   #1199
awpagan is offline awpagan  Australia
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Quote:
Originally posted by poynton



Hi ,

Ray - where is the quote from??

Andy

elso's post 17
if think, in one the post's to Lars thread.
XO powersupply PCB board diagram


Hi All,
Interestingly Lars (Lcaudio) and Andy (ALW) are using a opamp and a series pass transistor:
http://www.diyaudio.com/forums/showt...110#post285110

Marantz CD67 clock mod.. my experiences


allan

edit url's should work
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Old 4th March 2006, 09:09 AM   #1200
ash_dac is offline ash_dac  United Kingdom
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Quote:
Originally posted by awpagan



elso's post 17
if think in one the post's to Lars thread.
XO powersupply PCB board diagram


Hi All,
Interestingly Lars (Lcaudio) and Andy (ALW) are using a opamp and a series pass transistor:
http://www.diyaudio.com/forums/show...5110#post285110
http://www.diyaudio.com/forums/show...17983#post17983
Please correct me if I am wrong Andy. Do you care to share your schematic?


allan
Allan,

I found this website very useful!

http://tangentsoft.net/elec/opamp-linreg.html

I think AD825 is used most often as the op amp.

It's probably used for a number of reasons, and one being the fact that if you are also building op amp modules you can bulk buy AD825!

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