✦ LIBER ✦

A 16-GHz CMOS differential Colpitts VCO for DS-UWB and 60-GHz direct-conversion receiver applications

✍ Scribed by C.-C. Lee; H.-R. Chuang; C.-L. Lu

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 306 KB
Volume: 49
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.22742

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✦ Synopsis

Abstract

A 16‐GHz CMOS differential Colpitts VCO fabricated with the 0.18 μm 1P6M process is presented. The 16‐GHz VCO is a good choice for the local oscillator (LO) circuit of the UWB or 60‐GHz WPAN direct conversion receiver. The VCO is composed of a PMOS transistor‐pair core circuit and two source follower output buffers. The VCO can operate at 16.5 GHz, and the measured phase noise at 1‐MHz offset is −115 dBc/Hz. The power consumption of the VCO core is 12.6 mW. Compared with previous reported works, this VCO has an output power of −0.9 dBm and about 800‐mV output peak‐to‐peak voltage swing of the VCO core at 16.5 GHz. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 2489–2492, 2007; Published online in Wiley InterScience (www.interscience.wiley.com) DOI 10.1002/mop.22742

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