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

页码：153 / 155

页数：3

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