Published:2011/7/7 22:22:00 Author:Lucas | Keyword: Frequency conversion, voltage conversion | From:SeekIC
In the circuit, the input frequency fi is the digital signal, and the output voltage UO is analog signal. The circuit's frequency / voltage conversion circuit uses 8-bit D / A converter TC9142P, and the difference with the RC integrator is the change the DC level converted from frequency, and the DC conversion has high efficiency, in particular, when it constitutes the servo system, it has fast response, so it is widely used in high-precision motor control system. In the circuit, operational amplifier Al is used as buffer.
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