Publication: Design of a 5.8 GHz unfolded lange coupler on the FR4 substrate
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Date
2005
Authors
Hock G.C.
Chakrabarty C.K.
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Abstract
This paper describes the design of a 10 dB unfolded Lange coupler for operation at centering frequency of 5.8 GHz. The coupler is designed using the EDA software that has tuning and optimization features. The coupler is designed to have a coupling factor of 10 � 0.5 dB. in the design, microstripline is implemented. For the fabrication, FR4 substrate is used. � 2005 IEEE.
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Keywords
Dielectric constant , Odd and even mode characteristic impedance , Unfolded lange coupler , Microstrip lines , Natural frequencies , Optimization , Product design , Substrates , Tuning , Centering frequencies , Coupling factors , Mode characteristic impedance , Unfolded lane couplers , Electric connectors