Wednesday, February 03, 2016

Stereo 80Watt Audio Power Amplifier TDA7294

Stereo 80Watt Audio Power Amplifier TDA7294. The described circuit uses two TDA7294 for use in stereo (2 x 80 watts) and bridge mode (1x 180 watts), configure this setting only four drivers.

Stereo 80Watt Audio Amplifier TDA7294

To facilitate the installation of each fuel. The performance is a kind of symmetry with a simple bridge rectifier 6A, and two large electrolytic capacitors, which 10000μF 22000μF/50v. This power supply circuit for two modules. The processor is recommended 22-0-22 to 28-0-28 / 5 A, depending on the quality of the transformer is at least 6 amps is recommended.
PCB design Stereo 80Watt Audio Amplifier TDA7294

PCB layout Stereo 80Watt Audio Amplifier TDA7294

The TDA7294 is a monolithic integrated circuit in MULTIWATT15 package for use as audio class AB amplifier in Hi-Fi field applications (stereo, powered speakers, car, high-end TV) is provided. Many thanks to the wide range of voltage and current capacity he is able to offer the highest property taxes in both 4Ω and 8Ω, to offer even in the presence of poor supply regulation, with the rejection of high-voltage power supply. The built-in mute with delay sounds easier to avoid the remote mode off. For the circuit diagram of Stereo 80Watt Audio Amplifier TDA7294 click this link : TDA7294 circuit schematic diagram

4 komentar

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Kind regard
KEB Drive Repair

people please check the mute/standby circuit,it has problems.

you can put relay for main switch to connect audio input with ground. It's can be mute the audio signal