Tag: MPN: LM2907M-8/NOPB

Accurate Acoustic Sensor – Sound Frequency to Voltage Converter
Sensor

Accurate Acoustic Sensor – Sound Frequency to Voltage Converter

The project presented here is a sensitive sound sensor. The circuit converts sound frequency and outputs DC voltage.  The board consists of LM358 OPAMP and LM2907 IC. LM358 is used as a dual-stage microphone preamplifier and LM2907 acts as a frequency to voltage converter. The circuit...

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