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http://dx.doi.org/10.5515/KJKIEES.2009.20.9.853

Design and Implementation of Ku-Band VCO for Microwave Multi-Band Receiver  

Go, Min-Ho (Department of Electronic Engineering, Inha University)
Cho, Ho-Yun (Department of Electronic Engineering, Inha University)
Park, Hyo-Dal (Department of Electronic Engineering, Inha University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.20, no.9, 2009 , pp. 853-861 More about this Journal
Abstract
In this paper, we propose the architecture of a multi-band receiver which can receive X-band, Ku-band, K-band and Ka-band signals. For implementing this architecture, we designed a wideband and high power VCO with a buffer stage. In order that a buffer does not affect the characteristic of a oscillation in steady state condition, output impedance of a oscillation part and input impedance of a buffer are orthogonally crossed. The fabricated VCO meets the performance parameter of the multi-band receiver which has a $14.00{\sim}15.20\;GHz$ bandwidth with respect to the tuning voltage, $0.0{\sim}8.0\;V$, and output power of $12{\sim}13\;dBm$.
Keywords
VCO; Multiband; Receiver; Microwave;
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