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The defense date of the thesis is 2005-04-25
The current date is 2018-06-18
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URN etd-0425105-135217 Statistics This thesis had been viewed 2193 times. Download 33 times. Author Ching-Lung Wu Author's Email Address No Public. Department Communication Engineering Year 2004 Semester 1 Degree Master Type of Document Master's Thesis Language English Page Count 75 Title Time-Domain Analysis of a Bend of Differential Microstrip Line Keyword Differential Microstrip Line Differential Microstrip Line Abstract Abstract
The technique of the electronic industry moving fast, the conventional single-end transmission line can not meet the fast speed enough, and the differential transmission lines are more important to be used in all electronic industry field. The advantages of the differential lines are of fast transmission speed, immunity against electromagnetic interference, but the drawback is necessary to support 2 symmetry characteristic transmission line(same impedance) and equalize propagation delay，the differential signal will not distortion and function down.
The 90? bend differential transmission lines will not used in high-seed PCB(Print Circuit Board)circuit, this is because the mismatch impedance and undesired phase delay will cause the distortion problem. So the conventional skill can only to deal with the 90? bend of differential transmission lines with two 45? bends, and the two 45? bends distance can not be too near together to cause the distortion signal.
More fast-speed and smaller packages are the trend in the future, so there is not more large space in PCB for two 45? bend microstrip, the 90? bend differential transmission lines is a good chose for small PCB space and high-speed circuit today, but need to improve the un-equalize propagation delay problem.
The object of this thesis is to propose a method for compensate an un-desired phase delay caused by unequal-length differential transmission line-s. The propagation delay of a bend of differential transmission lines can be improved by disposing structure to the unequal-length differential transmission lines
We use the FTDT simulation software to simulate the bend of differential transmission lines. And the method extracts the L(Self inductance), C(Self capacitance), Lm(Mutual inductance), Cm(Mutual capacitance) to mo-del the coupling circuit, and analyze the circuit difference. Finally we measure the unequal-length differential transmission lines jitter of eye-pattern function of Sampling Scope.
Advisor Committee Chi-Fanf Huang - advisor
none - co-chair
none - co-chair
Files Date of Defense 2005-01-26 Date of Submission 2005-04-25