Turntable Power Supply

passing thru · 18th December 2003, 10:11 AM

hi all, just wondering if any can help....

as a uni project im designing and building a power supply for a turntable from scratch.....

this is to be powered from mains 240v ...and most likely have an output in the range from 12 - 18 volts DC...

if any one can help me out with any schematics or advice about it, would be much appreciated!

also i will need a feedback circuit so the motor maintains a constant speed, if any one can help with that?

Many Thanks in advance!

Raka · 19th December 2003, 04:39 PM

There is an application note in AD (I could be wrong, maybe TI), about this matter, with a complete scheme. Very simple.

passing thru · 23rd December 2003, 06:42 PM

hi, thanks for the reply, i have searched the 1 you hav said, but not really found anything useful im afriad!!

if you could find the link possibly ? wud be much appreciated!!

Havoc · 23rd December 2003, 09:59 PM

www.google.com

I mean it: research is part of the fun! You will also remember more of what you find if you do it yourself.

On the other hand, if you want to have more info about something you found, no problem.

For the feedback, there have been links to some designs in the (long) thread where we ventured to make a "diyaudio design". The whole thread might interest you in fact....

18th December 2003, 10:11 AM	#1
passing thru diyAudio Member Join Date: Dec 2003 Location: london	Turntable Power Supply hi all, just wondering if any can help.... as a uni project im designing and building a power supply for a turntable from scratch..... this is to be powered from mains 240v ...and most likely have an output in the range from 12 - 18 volts DC... if any one can help me out with any schematics or advice about it, would be much appreciated! also i will need a feedback circuit so the motor maintains a constant speed, if any one can help with that? Many Thanks in advance!

19th December 2003, 04:39 PM	#2
Raka diyAudio Member Join Date: Aug 2002 Location: Close to Oistrakh	There is an application note in AD (I could be wrong, maybe TI), about this matter, with a complete scheme. Very simple. __________________ What is beyond the speaker?

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23rd December 2003, 06:42 PM	#3
passing thru diyAudio Member Join Date: Dec 2003 Location: london	hi, thanks for the reply, i have searched the 1 you hav said, but not really found anything useful im afriad!! if you could find the link possibly ? wud be much appreciated!!

23rd December 2003, 09:59 PM	#4
Havoc diyAudio Member Join Date: Feb 2002 Location: Belgium	www.google.com I mean it: research is part of the fun! You will also remember more of what you find if you do it yourself. On the other hand, if you want to have more info about something you found, no problem. For the feedback, there have been links to some designs in the (long) thread where we ventured to make a "diyaudio design". The whole thread might interest you in fact....

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