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TC9400 Analog Division (Ratiometric Measurement)

2015-01-10 08:27  
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A circuit which will divide one analog signal by another is one of the most difficult circuits to build.? TC9400 voltage-to-frequency converter make it easy to build such circuit.? Here is the block diagram of the system:

RATIOMETRIC MEASUREMENT ANALOG DIVISION circuit schematic

Two voltage-to-frequency (V/F) converters can do such division with ease. While the denominator forms the time base, the numerator is counted directly as a signal. [System's block diagram source: Microchip Application Note]




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