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nano amp

Build a nano amp and enjoy loud sound on the go!

The LM386 is a power amplifier designed for use in low volt- age consumer applications. The gain is internally set to 20 to keep external part count low, but the addition of an external resistor and capacitor between pins 1 and 8 will increase the gain to any value from 20 to 200.
The inputs are ground referenced while the output automati- cally biases to one-half the supply voltage. The quiescent power drain is only 24 milliwatts when operating from a 6 volt supply, making the LM386 ideal for battery operation.

nano amp assembly

Nano amp assembly is easy.

nano_amp schematic

The schematic from the original data sheet

downloads:

nano amp makeaway documentation:

NanoAmp MakeAway

Mask for nanoamp: nano_amp_bw.pdf

 


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