A Wide Tuning Range CMOS Oscillator Mixer Using A Push-Push Technique for V-Band Applications

被引：1

作者：

Ke, Po-Yu ^{[1
]}

Huang, Fan-Hsiu ^{[1
]}

Kao, Hsuan-Lin ^{[1
]}

Chiu, Hsien-Chin ^{[1
]}

机构：

[1] Chang Gung Univ, Dept Elect Engn, Tao Yuan, Taiwan

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2013年 / 55卷 / 08期

关键词：

wide tuning; CMOS; mixer; push-push VCO;

D O I：

10.1002/mop.27717

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：

This work proposes a wide tuning oscillator mixer that operates from 56 to 64 GHz and is based on 90 nm CMOS technology. The circuit of a voltage control oscillator (VCO) comprises a mixer core and a coupled line marchand balun. The balanced mixer is symmetric, inherently broadband, and dependent on an LO balun that is combined with the parasitic capacitances from the mixer. The VCO is used in a 60 GHz push-pull circuit to generate the second harmonic, and a 30 GHz dielectric resonator is utilized to stabilize the fundamental oscillation frequency. The LC-tank oscillator also functions as a single-balanced LO load for the mixer core. A theoretical expression for the conversion gain of the self-oscillating mixer is given, taking into account the time-varying nature of the LO load impedance. Measurements show that the mixer has a conversion gain of 3.4 dB. Its output P1 dB is -12.4 dBm. The chip consumes 17.9 mW of dc power and it occupies an area of 0.64 mm2 without pads. (c) 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:1934-1937, 2013

引用

页码：1934 / 1937

页数：4

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