High Gain Microphone Bug

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This kit teaches how amplifiers take a small signal and “magnify” it to drive a small speaker or headphone. It’s based on the LM386 Low Voltage Power Amplifier. This chip is not a toy; it’s designed to be used in a variety of consumer-electronics applications such as AM-FM radio amplifiers, portable tape or CD players, intercom’s, TV sound systems, etc. Provides up to 1 watt of low-distortion audio power. Harmonic distortion is 0.2%; voltage gain up to 46dB.
Sales price without tax $11.95
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Datasheet and instructions.
Description

This high gain audio amplifier combined with a dish can allow the user to hear audio through walls or over long distances. Powered with a 9V battery but can accept 5-9V DC.

Datasheet General Information:

This kit teaches how amplifiers take a small signal and “magnify” it to drive a small speaker or headphone. It’s based on the LM386 Low Voltage Power Amplifier. This chip is not a toy; it’s designed to be used in a variety of consumer-electronics applications such as AM-FM radio amplifiers, portable tape or CD players, intercom’s, TV sound systems, etc. Provides up to 1 watt of low-distortion audio power. Harmonic distortion is 0.2%; voltage gain up to 46dB.

Datasheet Specifications:

  • Operates on 5 to 9v DC
  • Will drive a small speaker
  • Provides up to 1 watt of audio power
  • Distortion > 0.2%
  • Voltage Gain up to 46 dB
  • Size: 1"x1.95"
Units in box: 1 kit

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