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Posts tagged AUTO

InPowered battery charger circuit

InPowered battery charger circuit diagram schematic 6V-12V using NE555, LM7812, 2SA671, 1N4002, BC549 auto battery charger circuit On a lithium-ion cell, 3.8V/cell indicates a state-of-charge of about 50%. It must be noted that utilizing voltage as a fuel gauge function is inaccurate because cells made by different manufacturers produce a slightly different voltage profile. This […]

Demodulator Tuner

FM Stereo Demodulator Tuner Part R1,7,9     1K R2     18K R3     12K R4     680 Ohm R5,6     3K9 R8,10     22K R11,12     1M5 R13     220 Ohm R14,16     3K3 R15,17     330 Ohm C1     500pF C2     1uF/16V C3     33nF C4     470pF C5     470nF C6,7    […]

Variable dc power supply circuit diagram

Variable dc power supply circuit diagram Variable dc power supply circuit diagram using lm317 Variable dc power supply circuit diagram Variable dc power supply circuit diagram

Low Active crossover frequency using TL072

low Active crossover frequency Active crossover using TL072

Op Amp Circuit

uA741C Op Amp Audio Circuit +9v very simple

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+1 demo: Basic page