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Stereo Headphone Amplifier
Here is an inexpensive circuit for a stereo amplifier to drive a low-impedance headphone set. The circuit uses a few cheap transistors (BC547 and...
MOSFET based Preamplifier for FM Radio DXing
FM transmissions can be received within a range of 40 km. If you are in fringe areas, you may get a very weak signal....
Multiple Applications of High-Power LEDs
Nowadays, high-power light-emitting diodes (LEDs) LXHLMW1C are available in the market. These white LEDs contain indium-gallium-nitrogen (InGaN). The LEDs’ emitting capacity is 20 candela...