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A Varactor Tuned Low-cost 24 Ghz Harmonic Vco : Volume 4, Issue 3 (04/09/2006)

By Olbrich, M. O.

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Book Id: WPLBN0003975894
Format Type: PDF Article :
File Size: Pages 4
Reproduction Date: 2015

Title: A Varactor Tuned Low-cost 24 Ghz Harmonic Vco : Volume 4, Issue 3 (04/09/2006)  
Author: Olbrich, M. O.
Volume: Vol. 4, Issue 3
Language: English
Subject: Science, Advances, Radio
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Biebl, E. M., Huang, L., & Olbrich, M. O. (2006). A Varactor Tuned Low-cost 24 Ghz Harmonic Vco : Volume 4, Issue 3 (04/09/2006). Retrieved from

Description: Fachgebiet Höchstfrequenztechnik, Technische Universität München, 80290 München, Germany. We present a low-cost 24 GHz VCO that is based on a microstrip design combined with discrete packaged devices. The output frequency is generated by a harmonic oscillator. The tunabilty was reached using a varactor diode. Two versions of the VCO were built, one has a wide tuning range of 1.1 GHz and the other one has a high output power of 3.7 dBm.

A varactor tuned low-cost 24 GHz harmonic VCO

Stelzer,~A., Höftenberger,~J., Ettinger,~K., and Weigel,~R.: Generation of Precise Frequency Ramps for FSCW Applications with a Fractional-N PLL at 24 GHz, European Microwave Conference, EuMC, Munich, Germany, 2003. \bibitem [Jeon et~al.(1996)Jeon, Tchah, Yim and Chung]chung1 Jeon, S., Tchah, K., Yim, C., and Chung, S.: Voltage Tuned Dielectric Resonance 20.5GHz Harmonic Oscillator with Novel Structure, 2003 IEEE MTT-S Int. Microwave Symp. Dig., 3, 1519–1522, June 1996. \bibitem [Khanna and Hauptman(1991)]khanna_yig Khanna, A P S. and Hauptman, J.: 8-40 GHz 13 dBm low noise GaAs FET YIG tuned oscillator, 1991 IEEE MTT-S Int. Microwave Symp. Dig., 1, 209–212, 1991. \bibitem [Chua et~al.(1987)Chua, Desoer and Kuh]chua Chua, L., Desoer, C., and Kuh, E.: Linear and Nonlinear Circuits, New York: McGraw-Hill, 1987. \bibitem [Khanna(1985)]khanna_sp Khanna, A S.: Three-port S-parameters ease GaAs FET designing, Microwaves and RF, 2, 81–84, 1985.


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