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Monday, March 25, 2013

Stereo 80Watt Audio 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
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.

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