Tasel

This 400 W MOSFET Audio Amplifier using IRFP448 circuit is simple project. With low noise and distortion, but powerful. As the fuel, this project consume 70-80 Vdc and 5 A fuse as the protector for short circuit.

Here is a portable headphone amplifier for your music player. This circuit improve the gadget audio outputs with low noise and distortion, as well as a long battery life. With an external amplifier, the headphone driver in the music player is no longer required to supply high currents into a low impedance.

This circuit ease you to control any appliance with infra red remote. Can be used for electrical devices like lamp, fan, etc. With power supply from itself, the circuit make the application compact and easy to control. The circuit looks for any modulated IR source and uses it to control a TRIAC, which then switches [...]

This circuit is for a solar powered white LED which automatically turn on in the dark. Can be applied for outdoor or indoor night light uses. For indoor applications, when the circuit is operated near another lamp, it can be set to automatically active if the other lamp is turned off. Circuit features include selectable [...]

DVD Signals RF modulator circuit which also can be used as a RF modulator. The brightness can adjusted by trimming the P1, P2 control the contrast of video signal. The circuit output is RF modulated and can be receive in VHF band.

TDA7294, monolithic IC with output up to 100W as main core for this useful audio amplifier. This circuit is a mono for a single channel in 4Ω or 8Ω load. Simple audio class A-B amplifier.

This circuit possible to deliver about 200W power output produce by Phillips Semiconductor. Using 2 PHP1BN11QT, input voltage between 30 and 45 VoltsDC for this circuit, trigger the 4Ω impedance load speaker in to a powerful audio output. Other features of this circuit are THD+N (total harmonic distortion-plus-noise) PL = 10 W frequency range from [...]

This circuit can be applied on any source of audio signal like microphone, mp3 player, radio, etc. The aims is smoothing the voices with echo. Using four ICs as main active components, produce a repetitious sound.