alexa Design of Hybrid Coupler
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Special Issue Article

Design of Hybrid Coupler

T.Jayachitra, V.K Pandey and Anshuman Singh,
Noida Institute of Engineering and Technology, Greater Noida, UP, India
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Abstract

Hybrid couplers are widely used in microwave circuit design. The principle of a hybrid coupler is that the input power is split equally between the coupled and through ports, with a 90 degree phase difference. The fourth (isolated) port is terminated by a 50- ohm load. Hybrid coupler can be directly connected to microstrip antenna to get circular polarization. Microstrip patch antennas being popular because of light weight, low volume, thin profile configuration which can be made conformal. Wireless communication systems applications circular polarization antenna is placing vital role. In this study the hybrid coupler is designed for 2.4GHz with impedance (z0) is 50Ω, dielectric constant εr is 4.6 and thickness of dielectric material is 1.6mm. Simulation is done by ADS software

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