A Ku-band Low-Phase-Noise Transformer Coupled VCO for Satellite Communications

被引：0

作者：

Wang, Ping-Yi ^{[1
]}

Chou, Min-Chih ^{[1
]}

Chen, Yen-Ting ^{[1
]}

Chang, Yin-Cheng ^{[1
,2
]}

Chang, Da-Chiang ^{[2
]}

Hsu, Shawn S. H. ^{[1
]}

机构：

[1] Natl Tsing Hua Univ, Inst Elect Engn, Hsinchu, Taiwan

[2] Natl Chip Implementat Ctr, Natl Appl Res Labs, Hsinchu, Taiwan

来源：

2016 IEEE INTERNATIONAL SYMPOSIUM ON RADIO-FREQUENCY INTEGRATION TECHNOLOGY (RFIT) | 2016年

关键词：

Transformer-coupled; VCO; phase noise; satellite communications;

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：

A Ku-band voltage-controlled oscillator (VCO) with a low phase noise is presented in this paper. By increasing the third-harmonic of the fundamental frequency, the transformer-based topology can enforce a pseudo-square voltage waveform in the LC tank to reduce the phase noise. Implemented in a 90-nm standard CMOS technology, the VCO exhibits an average phase noise of -117.2 dc/Hz at 1 MHz offset over a 9.5 - 11.7 GHz tuning range. The oscillator only occupies 0.2 mm(2) while drawing 13.3 mA from the 1.2-V power supply, and the achieved FoM is 185.4 dBc/Hz. The proposed VCO is suitable for applications of satellite communications.

引用

页数：3

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