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Circuits Instrumentation Meter
LC meter capacimeter inductimeter circuit
Construction of an LC meter device to measure inductor (inductance meter) and capacitor meter (capacimeter), better known as LC meter, ...
Amplifier Audio Circuits
TDA7294 amplifier circuit diagram PCB
TDA7294 amplifier circuit diagram PCB, project of circuit potent audio amplifier with TDA7294. Super Amplifier with tda7294 from St microelectronics, ...
Amplifier Audio Circuits
Lm383 amplifier circuit lm383 audio amplifier 7W
Lm383 amplifier circuit, lm383 audio amplifier. Lm383, although it is not an ic of new audio, it is a good ...
Amplifier Audio Circuits Preamplifier
Circuit of RIIA phono pre-amplifier op-27
Circuit of RIIA phono pre-amplifier with op-27. The op-27 is used in that circuit as phono pre-amplifier for your characteristic ...
Battery Charger Circuits
Project circuit battery charger lead acid automotive 12 volts automatic
Circuit of charger of car batteries lead acid with the ic Lm317 That charger based on the integrated circuit LM317, ...
Battery Charger Circuits
lm2756 Ni-Cd and NI-MH Battery charger circuit
Lm2756 Ni-Cd and NI-MH Battery charger circuit. Batteries charger of nickel cadmium (Ni-cd) and nickel metal hidret (Ni-MH) of high ...
Instrumentation Tips Tutorial
Practical IR remote control tester practical method
Practical IR remote control tester – practical method with camera, digital or cellular. It is a way it practices of ...
Amplifier Audio Circuits Power Supply Tips
Circuit custom power supply for audio amplifier – Symmetrical
Power amplifiers that provide reasonable power require a power supply sized according to the circuit. Most amplifier circuits require a ...
Amplifier Audio Circuits
TDA7294 amplifier Circuit board HIFI
TDA7294 amplifier Circuit board HIFI. Here below is described a circuit proposal for a high-efficiency amplifier which can be adopted ...
Hi Adam, You can connect a 12 or 18V DC source in the power connector, do not worry about polarity.