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Posts tagged LM7812

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 […]

how will i found circuit diagrams like inverter and cable TV coders circuit?

ike e asked: student in eletrical /electronics to inprove

20W Audio Amplifier Circuit using TDA1552Q

20W Audio Amplifier Circuit using TDA1552Q

Circuit diagram Segment LED using L7107

Circuit diagram Segment  LED using L7107 R1= 9.1 M R2=910 K R3=91 K R4=9.1 K R5=1 K R6=100 K R7= 5 K R8=5.6K R9=1 M R10=47 K R11,R12,R13=220 ohm C1=100 pF C2=0.1uF C3=0.01uF C4=0.47uF C5=0.22uF C6=0.33uF C7=1uFC8=C4=0.047uF C9=10uF D1,D2:n4148 D3:Led D4,D5:led IC1: ICL7107 Digital analog converter circuit L7107 and seven-segment decoder R1= 9.1 M R2=910 […]

Mini Guitar Amp circuit using TDA7052

Mini Guitar Amp circuit using TDA7052 R1    22K C1    10µF  25V C2    100nF  63V C3    220µF  25V IC1   TDA7052 SPKR    8 Ohm  Loudspeaker B1            9V, 3V  Battery

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