DocumentCode
3185886
Title
Lumped-element type D branch couplers
Author
Sakagami, Iwata ; Tahara, Minoru ; Fuji, Masafumi
Author_Institution
Dept. of Electr. & Electron. Eng., Univ. of Toyama, Toyama, Japan
fYear
2009
fDate
7-10 Dec. 2009
Firstpage
2656
Lastpage
2659
Abstract
A distributed-constant branch-line coupler called type D and its equivalent transformation to a lumped-element branch coupler are discussed. Design equations for five lumped-element type D branch couplers of arbitrary power division and impedance transformation are presented. Measurements using trial couplers consisting of four capacitors and two inductors showed good agreement with theoretical calculations except for a slight shift, approximately 10%, in frequency.
Keywords
waveguide couplers; arbitrary power division; impedance transformation; lumped-element type D branch couplers; trial couplers; Capacitors; Circuits; Couplers; Equations; Frequency; Impedance; Inductors; Power system modeling; Power transmission lines; Transmission line theory; Branch coupler; chip capacitors; inductors; lumped-element; transmission line;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Conference, 2009. APMC 2009. Asia Pacific
Conference_Location
Singapore
Print_ISBN
978-1-4244-2801-4
Electronic_ISBN
978-1-4244-2802-1
Type
conf
DOI
10.1109/APMC.2009.5385352
Filename
5385352
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