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Posts tagged TL072

Audio Tone Control – Layout and circuit diagram by yiroshi

Audio Tone Control – Layout and circuit diagram by  yiroshi using TL072

Automatic Transfer Switch

Automatic Transfer Switch Circuit diagram Timer Automatic Switch R1 ………….. 15K ohm R2 ………….. 600 ohm R3 ………….. 4,7K ohm R4 ………….. 22K ohm R5 ………….. 68 ohm C1 ………….. X C2 ………….. 47uF – 25V C3 ………….. 0,1uF – 600V TR1-TR2 ……… 2N5306 SCR …………. 2N4444 PS ………….. Puas Switch D1 ………….. 1N – […]

Simple Amplifier circuit using LM

Simple Amplifier circuit using LM1875 Stereo Audio Amplifier electronic circuits

need schematic diagram RCA ac/dc TV set, model E09304WH, chassis TX825NC. AC power supply resistors burned up.

Bernie H asked: The model no. and chassis no. are on the back of the set, not on the remote. Date of manufacture Oct. 1995. Small portable TV set 115v./12v for RV use. Works ok on 12 volts, 3 or 4 resistors in 115v circuit fried.

PCB Booster tube and light flow control valves using 12AU7

PCB Booster tube and light flow control valves using 12AU7 A 12AU7-based booster and light overdrive running at 9 volts.  A very fun little circuit that has a minimal parts count and actually generates a good amount of boost and some overdrive. You can even run this one of a 9 volt battery if you […]

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