Circuits

tda7279 2

Circuit power audio amplifier with TDA7377 2.1

Complete circuit power amplifier 2.1, 3 channel with TDa7377, include in the layout, power supply, bass filter as well as the full PCB layout. Project … Read more

FM transmitter for smartphone MP3 Player 2N2218 LM741

FM transmitter for smartphone MP3 Player 2N2218 LM741

Evolution FM transmitter with 2n2218 with audio amplification step using LM741 op amp with audio input for MP3, MP4, mobile, computer and other audio sources, … Read more

Circuit adjustable bass filter from 50 Hz to 150 Hz NE5532

Circuit adjustable bass filter from 50 Hz to 150 Hz NE5532

This is a bass filter, using the OpAmp Ne5532 or another of your choice. The circuit is simple to set up and already has symmetrical … Read more

Power amplifier TDA7297 3D board

Stereo Power audio amplifier with TDA7297 – 2 x 15 Watts

complete stereo amplifier circuit including printed circuit board to power of 2 X 15 Watts. Using minimum of components in the integrated circuit TDa7297 ST … Read more

stereo audio amplifier lm386 PCB 3D board

Simple Circuit – Stereo audio amplifier with IC LM386

This is an audio amplifier with 2 LM386 integrated circuits. Basically it deals with the use of 2 amplifiers as in another article posted at … Read more