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Posts tagged bc549

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 […]

STK4132II Power Amplifier

STK4132II Power Amplifier STK4132II Power Amplifier Circuit Diagram STK4132II Power Amplifier STK4132II Power Amplifier

Audio preamplifier with tone control

Audio preamplifier with tone control using TDA1524A

Audio transistor amplifier circuit

Audio transistor amplifier circuit This is Audio transistor amplifier circuit diagram using 2N2222 of a simple 1 transistor audio amplifier that can deliver around 100mW An audio amplifier is an electronic amplifier that amplifies low-power audio signals

18W Audio Amplifier Circuit using TDA1521

18W Audio Amplifier Circuit using TDA1521

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