Voltage-To-Frequency Converter I

  
Using a Burr-Brown VFC 32 IC, this voltage-to-frequency converter uses few components. The circuit values
Voltage-To-Frequency Converter I - schematic

are shown in the figure. This charge-balanced V/F converter uses a VFC32 or a VFC320 IC. The positive charge from the 1-mA balances the negative charge from the input. V/F converter waveforms are shown in Fig. 100-l(b).




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