Realization of Voltage Controlled Temperature Compensated Crystal Oscillator with Single Varactor

被引：0
|
作者：
Peng, Fusheng [1 ]
Huang, Xianhe [1 ]
Li, Yimei [1 ]
Hu, Jianguo [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Automat Engn, Chengdu, Sichuan, Peoples R China
来源：
2018 IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM (IFCS) | 2018年
关键词：
voltage controlled temperature compensated crystal oscillator (VCTCXO); nonlinear; frequency stability; frequency variation;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The implementation of a voltage controlled temperature compensated crystal oscillator (VCTCXO) with a single varactor is presented. The proposed technique can overcome deficiencies of complicated nonlinear frequency calculation formula and temperature-frequency curve rotation caused by the oscillating circuit composed of multi capacitance diodes. With this technique, the VCTCXO has achieved the frequency stability up to +/- 1ppm with nearly +/- 100ppm output frequency variation range when the ambient temperature ranges from -30 degrees C to +70 degrees C by using 12.8 MHz fundamental AT-cut crystal resonator.
引用
收藏
页码：153 / 155
页数：3
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