Dynamic Microphone Preamplifier Kit
SKU
FK647
In stock
$3.75
Overview
A simple circuit that preamplifies a microphone signal.
This pre amplifier kit was designed exclusively for use with microphone.
Easy to assemble and low cost. It requires 2 transistors and a few Resistors and Capacitors. Power Requirement: 9 - 12 VDC
Electric current consumption: 0.5mA. Max.
IC board dimensions: 1.41 x 1.76
Signal Power: 500mV maximum.
Easy to assemble and low cost. It requires 2 transistors and a few Resistors and Capacitors.
Technical Data
The signal from the MIC is first amplified by TR1 and then by TR2 respectively.
Testing
Connect the circuit as shown. MIC wires have to be shielded wire only.
It requires a 9 volt battery. Connect OUT with INPUT of any amplifier.
Increase volume of the amplifier and speak to the microphone, there should be sound from the speaker.
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