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Old 14th March 2015, 02:38 PM   #1
Shamron is offline Shamron  Norway
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Default Adjustable 2-channel PSU

Hi everyone. I want to construct a 2-channel psu to use while testing new amps and other equipment. It will need to safely deliver at LEAST 7.5 or preferably 10 amps per channel an be adjustable from 3-28V per channel. Also the plus from one channel must be connectable to the other channels minus, O I can get a common zero voltage point.

I have been looking at Lm317 and lm1083, but want your input on this.

Anyone else made something similar?
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Old 15th March 2015, 02:49 PM   #2
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I just got some parts. Not yet assembled and tested from Online Shopping for Cool Gadgets, RC helicopter & Quadcopter, Mobile phone, Fashion at Banggood.com check for SKU179821 and SKU102336. I am trying to increase the PS circuit to handle 10A. E
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Old 25th March 2015, 08:44 AM   #3
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Location: Dona paula, Goa
Buy one autotransformer for the mains voltage you have and buy one 30Volts dual secondary, 10A transformer, two bridge rectifiers (35A) and 63V rated elecrolytic capacitors of the value you prefer. 10000 microfarad x4 will be fine.

You can get all the voltages from this combo.

Gajanan Phadte
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