A fully integrated 5.5 GHz cross-coupled VCO with high output power using 0.25μm CMOS technology

被引：0

作者：

Dang, J. ^{[1
]}

Noculak, A. ^{[2
]}

Haddadinejad, S. ^{[1
]}

Jungemann, C. ^{[2
]}

Meinerzhagen, B. ^{[1
]}

机构：

[1] TU Braunschweig, BST, Postbox 3329, D-38023 Braunschweig, Germany

[2] Rhein Westfal TH Aachen, ITHE, D-52702 Aachen, Germany

来源：

2014 21ST IEEE INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS AND SYSTEMS (ICECS) | 2014年

关键词：

Cross-coupled VCO; MOS varactor; improvement of output power; QUADRATURE VCO;

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：

In this paper a PMOS-NMOS cross-coupled voltage controlled oscillator (VCO) using 0.25 mu m CMOS technology is demonstrated. This VCO consumes 6.6 mW DC power for a supply voltage of 2.5 V. The tuning range is about 15% from 5 GHz to 5.8 GHz, while the control voltage is tuned from 0 V to 2.5 V. Over the entire frequency tuning range a constant high output power of around 0 dBm is obtained leading to a good drive ability for mixer circuits. Measured phase noise for the free running VCO is about -90 dBc/Hz and below at 1 MHz offset frequency.

引用

页码：255 / 258

页数：4

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