电压-频率和频率-电压转换器

oltage-to-Frequency/Frequency-to-VoltageConverterAN795Voltage-to-Frequency/Frequency-to-VoltageConverterAuthor:MichaelO.Paiva,MicrochipTechnology,Inc.RATIOMETRICMEASUREMENT(ANALOGDIVISION)Oneofthemostdifficultcircuitstobuildisonewhichwilldivideoneanalogsignalbyanother.Twovoltage-to-frequency(V/F)converterscandosuchdivisionwithease.Thenumeratoriscounteddirectlyasasignal,whilethedenominatorformsthetimebase.LatchV1TC9400V/F