DocumentCode
342030
Title
Balanced-input-output configuration of laminated planar filter suitable for next-generation super-compact portable telephones
Author
Miyake, Hirokazu ; Ishizaki, T. ; Kitazawa, S. ; Yamada, T. ; Ogawa, K. ; Awai, I.
Author_Institution
Matsushita Nittoh Electr. Co., Kyoto, Japan
Volume
3
fYear
1999
fDate
13-19 June 1999
Firstpage
1143
Abstract
A balanced-input/output configuration of the dielectric laminated planar filter is originally investigated. So far, there has been no balanced dielectric filter. Thus first, a balanced coaxial filter is constructed to prove the basic concept. Then various laminated configurations are discussed to reduce the size. Finally, the possibility of the realization is confirmed experimentally. This filter is suitable for next-generation super-compact portable telephones.
Keywords
UHF filters; baluns; cellular radio; dielectric resonator filters; passive filters; telephone sets; balanced-input-output configuration; dielectric filter; laminated planar filter; super-compact portable telephones; Circuit synthesis; Coaxial components; Dielectrics; Grounding; Impedance matching; Interference; Radio frequency; Resonator filters; SAW filters; Telephony;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Symposium Digest, 1999 IEEE MTT-S International
Conference_Location
Anaheim, CA, USA
Print_ISBN
0-7803-5135-5
Type
conf
DOI
10.1109/MWSYM.1999.779589
Filename
779589
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