Title :
A novel compact-size branch-line coupler
Author :
Liao, Shry-Sann ; Sun, Pou-Tou ; Chin, Nien-Chung ; Peng, Jen-Tee
Author_Institution :
Feng-Chia Univ., Taichung, Taiwan
Abstract :
A novel compact-size branch-line coupler without any implementation of lumped-elements, bonding wires, and via holes is proposed. In this study, the size of the proposed coupler occupied only 45% of the conventional branch-line coupler at 2.4GHz. The performances of the circuit can be competed with the conventional coupler. The element sizes of this coupler can be realized easily by using simply standard printed-circuit-board etching processes. It is very useful for applications in the wireless communication systems.
Keywords :
UHF devices; waveguide couplers; 2.4 GHz; T-shaped structure; branch-line coupler; standard printed-circuit-board etching processes; wireless communication systems; Bonding; Costs; Coupling circuits; Distributed parameter circuits; Impedance; MMICs; Microwave integrated circuits; Shunt (electrical); Wireless communication; Wires; Branch-line coupler; T-shaped structure; compact-size;
Journal_Title :
Microwave and Wireless Components Letters, IEEE
DOI :
10.1109/LMWC.2005.855378
