A W-Band Signal Generation Using N-Push Frequency Multipliers for Low Phase Noise

被引：10

作者：

Kim, Seong-Kyun ^{[1
]}

Choi, Chanki ^{[1
]}

Cui, Chenglin ^{[1
]}

Kim, Byung-Sung ^{[1
]}

Seo, Munkyo ^{[1
]}

机构：

[1] Sungkyunkwan Univ, Coll Informat & Commun Engn, Suwon 440746, South Korea

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2014年 / 24卷 / 10期

基金：

新加坡国家研究基金会;

关键词：

CMOS; FMCW radar; frequency multiplier; harmonic rejection; millimeter wave; N-push; phase noise; W-band;

D O I：

10.1109/LMWC.2014.2342873

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 W-band frequency generation for FMCW radar application is presented. It cascades a ring based five-push multiplier and a push-push injection-locked oscillator for 10 times multiplication with a two stage power amplifier. The chip is fabricated in 65 nm CMOS technology and its size including ESD-protected pads is 860 x 620 itm. Phase noise of the output signal is 110 dBc/Hz at 1 MHz offset using the 7.8 GHz reference frequency with the phase noise of 132 dBc/Hz at 1 MHz offset. The output power of the complete circuit is larger than 8.8 dBm for the entire output locking range, and N-push technique enables unwanted spur suppression larger than 59 dBc. The total power consumption is 265 mW.

引用

页码：710 / 712

页数：3

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