Nov 17, 2011 #1 A Adajo Junior Member level 1 Joined Apr 9, 2010 Messages 18 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location NIgeria Activity points 1,404 Pls I need circuit diagram of a transformerless power supply of 20volts, 3ampere
Nov 17, 2011 #2 thannara123 Advanced Member level 5 Joined Jan 7, 2010 Messages 1,580 Helped 122 Reputation 244 Reaction score 114 Trophy points 1,353 Location India Activity points 10,385 Full project - labpowersupply smps 30 Volt 20 Ampere - Sonsivri lookout here to get the idea
Nov 21, 2011 #3 Qaisar Azeemi Full Member level 5 Joined Feb 11, 2011 Messages 315 Helped 16 Reputation 32 Reaction score 15 Trophy points 1,298 Location Peshawar, Pakistan, Pakistan Activity points 3,829 please check and study the following link. that will be useful for you and you will get hundreds of power supply circuits. **broken link removed** hope this helps.
please check and study the following link. that will be useful for you and you will get hundreds of power supply circuits. **broken link removed** hope this helps.
Nov 21, 2011 #4 karthickb3e Advanced Member level 4 Joined Dec 13, 2010 Messages 101 Helped 3 Reputation 6 Reaction score 3 Trophy points 1,298 Location INDIA Activity points 1,883 FREE CIRCUIT DIAGRAMS 4U: 5V Transformerless smooth Power Supply also see this for ideas and comparatively study..............
FREE CIRCUIT DIAGRAMS 4U: 5V Transformerless smooth Power Supply also see this for ideas and comparatively study..............