21.5-to-33.4 GHz Voltage-Controlled Oscillator Using NMOS Switched Inductors in CMOS

被引：38

作者：

Zhang, Jing ^{[1
,2
]}

Sharma, Navneet ^{[1
,2
]}

Kenneth, K. O. ^{[1
,2
]}

机构：

[1] Univ Texas Dallas, Texas Analog Ctr Excellence, Richardson, TX 75080 USA

[2] Univ Texas Dallas, Dept Elect Engn, Richardson, TX 75080 USA

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2014年 / 24卷 / 07期

关键词：

CMOS; LC voltage-controlled oscillators (LC-VCOs); millimeter-wave integrated circuit; switched inductor; wide-tuning; LOW-PHASE-NOISE; TUNING RANGE;

D O I：

10.1109/LMWC.2014.2317112

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：

To demonstrate the applicability of NMOS switched variable inductors in the millimeter wave frequencies, a 21.5 to 33.4 GHz wide tuning range LC voltage-controlled oscillator (LC-VCO) with frequency tunable output buffers that uses variable inductors is reported. The measured phase noise at 10 MHz offset of VCO fabricated in a 65 nm bulk CMOS process varies from -117 to -109 dBc/Hz. The oscillator core consumes 4 or 6 mA from a 1.2 V power supply. These correspond to a record 43.3% tuning range. FOMT ranges -191.7 from to -181.9 dBc/Hz. With tunable output buffers, the measured signal output power is above -15 dBm across the entire frequencies.

引用

页码：478 / 480

页数：3

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