SIW-based W-band injection-locked harmonic oscillator using fundamental injection

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SIW-based W-band injection-locked harmonic oscillator using fundamental injection
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                        LIU YongLIU Yong
Fundamental Science on EHF Laboratory, University of Electronic Science and Technology of China
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TANG Xiao-HongTANG Xiao-Hong
Fundamental Science on EHF Laboratory,University of Electronic Science and Technology of China
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WU TaoWU Tao
Fundamental Science on EHF Laboratory, University of Electronic Science and Technology of China
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MENG BoMENG Bo
Fundamental Science on EHF Laboratory, University of Electronic Science and Technology of China
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Affiliation:University of Electronic Science and Technology of China, School of Electronic Engineering,University of Electronic Science and Technology of China, School of Electronic Engineering,University of Electronic Science and Technology of China, School of Electronic Engineering,University of Electronic Science and Technology of China, School of Electronic Engineering
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Abstract:

A W-band planar injection-locked harmonic oscillator (ILHO) based on substrate integrated waveguide (SIW) was implemented. Using the technique of harmonic extraction from diodes as a frequency multiplier, this ILHO has a free-running output frequency around 90.2 GHz under the condition of strong coupling for high injection power. When injecting a signal near 45.08 GHz in the fundamental injection-locked mode, it has an output power more than 6.5 dBm with a locking bandwidth of more than 120 MHz. The combination of the simple synchronization with a low-frequency reference signal allows the generation of stable and low phase-noise W-band signals with a fully integrated planar source.

Key words:substrate integrated waveguide (SIW); millimeter-wave; phase-noise; injection-locked harmonic oscillator (ILHO)

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LIU Yong, TANG Xiao-Hong, WU Tao, MENG Bo. SIW-based W-band injection-locked harmonic oscillator using fundamental injection[J]. Journal of Infrared and Millimeter Waves,2013,32(1):1~6

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Received:February 15,2012
Revised:February 15,2012
Adopted:March 13,2012
Online: March 25,2013
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