[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.6109/jicce.2010.8.2.197

Design of Temperature Stable FLL Circuit

Choi, Jin-Ho (Department of Embedded IT, Pusan University of Foreign Studies)

Publication Information

Journal of information and communication convergence engineering / v.8, no.2, 2010 , pp. 197-200 More about this Journal

Abstract

The FLL(frequency locked loop) circuit is used to generate an output signal that tracks an input reference signal. The locking time of FLL is short compared to PLL(phase locked loop) circuit because the output signal of FLL is synchronized only in frequency. Also the FLL is designed to allow the circuit to be fully integrated. In this paper, the temperature stable FLL circuit is designed by using full CMOS transistors. When the temperature is varied from $-20^{\circ}C$ to $70^{\circ}C$ , the variation of output frequency is about from -2% to 1.6% from HSPICE simulation results.

Keywords

temperature stable characteristics; voltage reference; frequency locked loop; frequency-to-voltage converter; voltage controlled oscillator;

Citations & Related Records

Times Cited By KSCI : 2 (Citation Analysis)

Reference
Cited By KSCI

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