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Posts tagged 2N3819、

Audio Mixer circuit diagram Using FET 2N3819

Audio Mixer circuit diagram Using FET 2N3819 This simple circuit mixes two or more channels into one channel  stereo into mono. Parts R1, R3 10K Pot R2, R4 100K 1/4 W R5 6.8K 1/4 W C1, C2, C3 0.1uF Q1 2N3819 FET MISC Wire, Shielded (Metal) Case, telephone Or Other Plug For Output

25W Audio Amplifier with Tube schematic diagram

25W Audio Amplifier with Tube schematic diagram 25W Audio Amplifier with Tube schematic diagram Here the 25 watt power audio amplifier circuit powered using tube circuit. The tube TR will amplify the input about 20 watt, dual Trafo should be gain up to 40w watt. You can use wide voltage range 12v – 20V to […]

consumer goods why arnt they repairable?

steve50 asked: many years ago as a tv man i could repair many tv’s in customers houses there were known brands and real wood cabinets some even came with circuit diagrams in the box. now they are all made in foreign lands no circuits and if a main part has gone its scrap time even […]

Car Stereo Automotive Wiring Diagrams

Car Stereo Automotive Wiring Diagrams

Current limiter circuit and motor drive circuit Chopper

Current limiter circuit and motor drive circuit Chopper

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