40 Watt Audio power Amplifier by LM3876

Tuesday, November 11th, 2008
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This Circuit is based on the LM3876. A 11-pin plastic package IC with high performance audio power amplifier, an output mute function which can be used to eliminate switch-on and switch-off “thumps” to the loudspeaker load. It is capable of delivering 40W continuously into 8ohm load, and is fully protected using established techniques. The output [...]

56W Audio Power Amplifier with Mute by LM3876

Wednesday, February 27th, 2008
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The LM3876 is a good quality component capable of delivering 56W continuously into an 8 ohm load and 100W peak - enough for any dorm! It has a quoted distortion figure of 0.06% at 40W output, and offers good sound quality in a simple design. It has comprehensive output protection circuitry, preventing not only thermal [...]

45W Single Chip Amplifier by LM3876

Friday, January 25th, 2008
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This circuit is based on the National Semiconductor LM3876. This device is capable of delivering as much as 56W of continuous average power into an eight ohm load with 0.1% THD from 20Hz to 20Khz. Be sure to provide an adequate heat sink for the package.
Use log pots for volume, bass and treble. A stereo [...]