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A Voltage-to-frequency Converter Using BiCMOS Bandgap Reference Circuit  

최진호 (부산외국어대학교 컴퓨터ㆍ전자공학부)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers C / v.52, no.3, 2003 , pp. 105-108 More about this Journal
Abstract
In this work, a Voltage-to-Frequency Converter(VFC) in which the output frequency is proportional to the input voltage is proposed. To obtain the temperature stable characteristics of the VFC circuit is designed by BiCMOS technology. The output frequency range is 24KHz to 65KHz and the difference between simulated and calculated values is less than about 5% for this range of output frequency. The temperature variation of sample output frequencies is less than $\pm$0.5% in the temperature range $-25^{\circ}C$ to 75$^{\circ}C$.
Keywords
VFC; BiCMOS;
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