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LM2901: Frequency to Voltage conversion

Part Number: LM2901

Hi,

I need to design a signal conditioning board for a tachometer generator input. The input will be 3 Phase AC with variable frequency of 0 to 80Hz and amplitude 10V  ( in each line).

As the motor RPM changes, frequency changes. Please suggest me a frequency to voltage converter IC for sensing the frequency change.

Thanks & Regards,

Madhu.

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