设计晶体调频振荡器频偏的新公式
NEW FORMULAS FOR DESIGNING FREQUENCY DEVIATION OF CRYSTAL FM OSCILLATOR
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摘要: 本文在分析晶体调频振荡器振荡频率的基础上,得出了晶体调频振荡器频偏的一般表示式、最佳负载条件下的频偏设计公式和调制级有电流串联负反馈时的频偏设计关系式。
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Abstract: On the basis of analyzing the oscillatory frequency of crystal oscillator, the general expression of the frequency deviation of crystal frequency-modulation oscillator is de-rived. The design formulas of the frequency deviation under optimum load condition and under condition of the modulating stage with series negative current feedback are also given. -
P. W. Wood, Electronics, 32(1959), 5, 64.[2]R. E. Sentz and R. A. Bartkowlak, Feedback Amplifiers and Oscillators, Holt, Rinehart and Wiston, Inc., New York, 1968, pp. 137-139.[3]清华大学通信教研组,高频电路,人民邮电出饭社,1983, p. 508.[4]M. E. Frerking, Crystal Oscillator Design and Temperature Compensation, Litton Educational Publishing Inc., New York, 1978, pp. 20-48.[5]谢嘉奎,电子线路(非线性部分),高等教育出版社,1984,pp. 229-246. -
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