High Current 12V-13.8V at 30A,25A,20A,15A Power Supply
CAR Radio transmitters to use in home, need a ham radio power supply DC-12V or high current 13.8V power supply with enough power out of 5A - 30A. [...]
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April 21, 2019
Simple Designing 12V 5A Linear Power Supply
This is 12V 5A linear power supply circuit. Also, how to find resistors onside. I like to use a series of 78xx regulator ICs. Because it is so easy with…
April 12, 2019
Small Zener diode voltage regulator circuit with PCB
Small Zener diode voltage regulator circuit with PCB, using transistor and few parts. it is simple and cheap fixed dc source circuit. As one of best choice.
November 13, 2018
Many Fixed Regulator Circuits 5V,6V,9V,10V,12V 1A using IC-78xx series
5V,6V,9V,10V,12V-1A Regulators using 78xx series
First choice of Fixed Regulator using family IC-78xx. It is easy to use, cheap, popular for a long time.
November 2, 2017
Simple 12 volt power supply circuit
Build 12V high current power supply, do not need PCB. We use a hammer and nail ! Why?
November 4, 2015
12V & 5V power supply
This is 5v 12v dual power supply circuit using 2N3055 and Zener diode for 12V then to LM309 or IC-7805 dc regulator IC for 5V output which easy circuit [...]
November 19, 2008
12.6V Negative Voltage Regulator using PNP Emitter Follower
Simple 12V negative power supply circuit using Zener diode and transistor
September 13, 2008
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