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Novel switched-capacitor circuits for the frequency-to-voltage (F/V) and voltage-to-frequency (V/F) conversion are presented. The circuit operation is insensitive to both the offset voltages of op-amps and parasitic capacitances. Therefore, the circuits allow the accurate conversion over the wide dynamic range. Experimental results are also given to confirm the principles of operation.
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Watanabe et al. (1986) studied this question.
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