✦ LIBER ✦

Injection-locked frequency tripler with series-tuned resonator in 0.13 μm CMOS technology

✍ Scribed by Sheng-Lyang Jang; Jhao-Jhang Chen; Cheng-Chen Liu; Miin-Horng Juang

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 279 KB
Volume: 52
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.25101

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✦ Synopsis

Abstract

This article proposes a CMOS LC‐tank injection locked frequency tripler (ILFT) fabricated in 0.13 μm CMOS process and describes the circuit design, operation principle and measurement results of the ILFT.The differential input/output ILFT circuit is realized with a first‐harmonic injection‐locked oscillator (ILO) stacked in series on two transconductance amplifiers used as a third harmonic generator. The first‐harmonic ILO with a series‐tuned LC resonator amplifies the signal from the third harmonic generated transconductance amplifier. At the supply voltage of 0.75 V, the free‐running frequency of the ILO is from 9.14 GHz to 9.40 GHz. At the incident power of 0 dBm, the total locking range is from the incident frequency 2.95 GHz to 3.43 GHz. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 1107–1110, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25101

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