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Mikroelektronika d.o.o.

SKU: MIKROE-333

Microphone AMP Board

Microphone AMP Board

Microphone and 700mW Power Amplifier
Regular price
$16.00 USD exc tax
Regular price Sale price
$16.00 USD exc tax
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The Microphone AMP Board is an accessory board that amplifies audio signals detected by the microphone provided on-board. The microphone is connected to an LM4864 audio power amplifier that works well for use in low-voltage consumer applications. The detected audio signals are amplified and sent to the connector used to connect a loudspeaker with an impedance of 4, 8, or 16 Ω. In order to keep the external part count low, the gain is internally set to 20. However, with the addition of a potentiometer and capacitor between pins 1 and 8, the user can increase the gain up to 200. Microphone AMP Board is provided with screw terminals for easy connectivity. The power supply voltage has to be stabilized and in a range between 3.3V and 5V DC.

With such features, the Microphone AMP Board is an ideal choice for general purpose audio applications, cellular phones, personal computers, and many more.

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