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Old 14th November 2010, 12:24 PM   #111
Mitchel is offline Mitchel  Brazil
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Alex,

What software are you using? I like that mounting hole with a bunch of vias around it, it's cool!
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Old 14th November 2010, 03:56 PM   #112
alex mm is offline alex mm  Europe
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Default PCB corrected....
Hi Mile ,
No, I have corrected, adding two jumpers on PCB . I intend to layout PCB for SR amplifier ....nice schematic . Thanks for sharing so many projects .
Regards Alex .
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Last edited by alex mm; 14th November 2010 at 04:04 PM.
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Old 17th November 2010, 05:51 PM   #113
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Quote:
Originally Posted by alex mm View Post
Hi Mile ,
No, I have corrected, adding two jumpers on PCB . I intend to layout PCB for SR amplifier ....nice schematic . Thanks for sharing so many projects .
Regards Alex .
Thanks for this PCB, I don't think there is so many project, only reason is I don't have same topology for Hi-Fi, PA, Studio ...
Regards
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Old 26th November 2010, 10:29 AM   #114
Mamak is offline Mamak  Malaysia
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PSU regulator will work, just use 6,8V zeners instead 12V, and you can set output voltage about +/-30V DC.
when i change zener diode it work.now can i use 70volt ac and then can i variable until 50 or 40 volt dc?zener still can change or what?
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Old 27th November 2010, 04:15 PM   #115
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when i change zener diode it work.now can i use 70volt ac and then can i variable until 50 or 40 volt dc?zener still can change or what?
With zeners from 5,6V to 24V you can get voltages from 24V to 95V.
Regards
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Old 8th December 2010, 10:39 AM   #116
Mamak is offline Mamak  Malaysia
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With zeners from 5,6V to 24V you can get voltages from 24V to 95V.
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apex.can i use 110vac for this psu?
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Old 8th December 2010, 11:59 AM   #117
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apex.can i use 110vac for this psu?
2x55v ?
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Old 8th December 2010, 12:00 PM   #118
Mamak is offline Mamak  Malaysia
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2x55v ?
no.2x110vac
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Old 8th December 2010, 12:04 PM   #119
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no.2x110vac
What will be purpose of this PSU?
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Old 8th December 2010, 12:11 PM   #120
Mamak is offline Mamak  Malaysia
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What will be purpose of this PSU?
to find high VA transformer is very difficult.at my town supply is 240v and i want to step down to 110V.then i can use 110v to your psu and then variable to low voltage.so i can get high va power supply.what u think?
step down is low price then toroid transformer
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