Characterization of lossy transmission lines of arbitrary characteristic impedance by time domain measurements

1993 ◽  
Author(s):  
P. Ferrari ◽  
B. Flechet ◽  
G. Angenieux
Keyword(s):  
Transmission Lines ◽  
Time Domain ◽  
Characteristic Impedance ◽  
Arbitrary Characteristic ◽  
Lossy Transmission

Liquid Crystal Polymer (LCP) for Characterization of Millimer-Wave Transmission Lines and Bandpass Filters

2009 ◽  
Author(s):  
H. J. Lu ◽  
Y. X. Guo ◽  
K. Faeyz ◽  
C. K. Cheng ◽  
J. Wei
Keyword(s):  
Liquid Crystal ◽  
Millimeter Wave ◽  
Transmission Lines ◽  
Microstrip Line ◽  
Characteristic Impedance ◽  
Wave Transmission ◽  
60 Ghz ◽  
Crystal Polymer ◽  
Measurement Results

In this paper, a multi-layer LCP substrate fabrication process was described and millimeter wave transmission lines and filters were designed and fabricated on the LCP substrate. Various transitions from a CPW to a microstrip line with their characteristic impedance being 50 ohms were investigated. The characteristics of the wirebonding assembly for connecting two transmission lines was also examined. The measurement results show that an insertion loss of 1.3 dB at 60 GHz can be achieved for the two-wire bonding trasmisssion line including two transitions from a CPW to a microstrip line.

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