A Study on the Reflection Type Analog Phase Shifter using Varactor and Branch Coupler 


Vol. 29,  No. 3, pp. 311-317, Mar.  2004


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  Abstract

A low loss reflection type analog phase shifter which is realized with two varactors and branch coupler, is described. A new design technique for the large phase shift is applied using short stub microstripe lines. This paper presented the realization of design and experimental results.
Through the experiment using the duroid microstrip line and varactors, the phase of 2.26GHz signal is controlled to the DC voltage with the phase shift range of 170˚. The achieved insertion loss of less than 3dB and the return loss of more than 12dB are achieved over all phase states.

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  Cite this article

[IEEE Style]

K. Yoo, "A Study on the Reflection Type Analog Phase Shifter using Varactor and Branch Coupler," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 3, pp. 311-317, 2004. DOI: .

[ACM Style]

Kang-Hee Yoo. 2004. A Study on the Reflection Type Analog Phase Shifter using Varactor and Branch Coupler. The Journal of Korean Institute of Communications and Information Sciences, 29, 3, (2004), 311-317. DOI: .

[KICS Style]

Kang-Hee Yoo, "A Study on the Reflection Type Analog Phase Shifter using Varactor and Branch Coupler," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 3, pp. 311-317, 3. 2004.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880