Ultra broadband transmission line transformers -: Planar realization principles

被引：0
|
作者：
Horn, J [1 ]
Böck, G [1 ]
机构：
[1] Tech Univ Berlin, D-10587 Berlin, Germany
来源：
MIKON-2004, VOL 1, CONFERENCE PROCEEDINGS | 2004年
关键词：
D O I：
10.1109/MIKON.2004.1356903
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Three Guanella-type transmission line transformers (TLTs) are presented: a coiled TLT on a GaAs substrate, a straight ferriteless TLT on a multi-layer PCB and a straight hybrid TLT that employs semi-rigid coaxial cables and a ferrite. All three devices have 4:1 impedance transformation ratio, matching 12.5 Omega to 50 Omega. Extremely broadband operation is achieved. A detailed description of the devices and their operational principle is given. General aspects of the design of TLTs are discussed.
引用
收藏
页码：225 / 228
页数：4
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