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Posts tagged Transistor 2N2222

Circuit 2N2222

Circuit 2N2222 for Headphone amplifier This circuit can source about 500mA continuously, You built a 2 transistor project and it worked great, but now it has stopped working. You decide the transistor may be faulty.

Reverse polarity protection circuit

Reverse polarity protection circuit using 4584 IC and Relay

Simple Vcsel Laser Tester circuit

Simple Vcsel Laser Tester circuit using 74HC14, 2N2222, 7805

Need a VHF/UHF TV signal amplifier schematics diagram? should have a high gain with low noise?

Nish asked: some websites give details with out the schematic digram or ask money for the diagram. (eg. www.ramseyelectronics.com give full details other than the schematic diagram, which is a must when building a circuit as a beginner)

Electronic Circuits, Schematics, Hobby kits, Custom Electronics design free working Electronic Circuits AF Radio FM reciver with TBA120 – CA3089 – CA3189 -BC547

Electronic Circuits, Schematics, Hobby kits, Custom Electronics design free working Electronic Circuits AF Radio FM reciver with TBA120 – CA3089 – CA3189 -BC547

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