Simple Voltage regulator using 2N3055
This is a simple voltage regulator using 2N3055. Here is 12V 1A linear regulator using a transistor and Zener diode. It is a series voltage regulator because the load current passes…
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April 24, 2019
40W transistor audio amplifier circuit with PCB
Good transistor audio amplifier circuit, at 40 watts OCL RMS using 2N3055+MJ2955 is easy to build,and very inexpensive. To use Power Supply +35V -35V 2A.
April 24, 2019
DC Power supply 0 30v 5A, Adjustable regulator
This is DC Power supply 0 30v 5A,Adjustable regulator, output 5A. It use LM723 DC voltage regulator IC + 2N3055 power transistor x2 to increase current up.
December 24, 2018
LM317, 3A adjustable voltage regulator circuit diagram
Output: 1.2V to 20V, and 3V,6V,9V,12V
LM317 2N3055 Variable power supply
High quality, 3A adjustable voltage regulator. Using LM317 and 2N3055 so easy and cheap. Adjust voltage in steps 3V, 6V, 9V, 12V. And In fine, 1.25V to 20V.
December 11, 2018
Transistor Variable power supply 1A, 0-30V
Transistor Variable power supply 1A, 0-30V project with PCB. Using transistor boost current to 1A. No IC. No Zener diode. But steady voltage.
November 6, 2018
Voltage Regulator using Op Amp and Transistor
This is a 15V DC Regulator circuit at 400mA using IC-748 and 2N3055. Although it is an ancient circuit, but if you have the equipment ready. we may try to build it.
June 9, 2017
2N3055 Amplifier circuit with PCB, 50W to 60W
This is three Simple 50w OTL audio amplifier circuit by 2N3055, can build easy and cheap, It's durable and very loud sound , Not needed speaker Protection. [...]
February 6, 2017
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