All Questions
Tagged with rise-time transmission-line
9
questions
4
votes
0
answers
122
views
Can I calculate minimum rise time of a transmission line if I know the length and the loss tangent?
Overview: I am trying to work out if it's possible to transmit my 1.2Gbps MIPI data down a 600mm long flexible PCB strip. Assuming I have the impedance correct, will the signal still be degraded by ...
1
vote
2
answers
1k
views
How does risetime affect transmissionline effects?
How do rise and fall times affect reflection in a transmission line?
Reflection will occur with shorter lengths as rise times becomes shorter, does this mean risetime effects the wavelength of a ...
0
votes
2
answers
486
views
Lossless Transmission Line Length vs Rise Time
I am trying to answer the question - Does a signal's rise time increase with the length of a lossless transmission line? - using LTspice simulation. Some references say that lossless transmission line ...
0
votes
1
answer
714
views
long stub length rs485
TI recommends their low-data rate transceivers to cope with long stub lengths for RS485 networks -- eg Page 3 of http://www.ti.com/lit/an/slla272c/slla272c.pdf
I want to use an isolated interface, so ...
8
votes
2
answers
5k
views
How to determine if a signal path needs to be treated as a transmission line?
I remember reading this somewhere but cannot find the ratio of the rise time vs. the propagation time (i.e. the trace length?) of a signal when transmission line effects come into effect?
For example ...
1
vote
0
answers
196
views
Impedance discontinuity problem at transmission line?
I am confused about how the waveform will be to the left of discontinuity. Please help me understand it better.
Here is my understanding:
When the unit step hits the inductive discontinuity, at the ...
0
votes
1
answer
420
views
Confusion regarding considering a transmission line as lumped or distributed
I am just elaborating my question.
I have came across different formula's to say whether a Transmission line is lumped or distributed.
in one of the books i read
" Effective length of a electrical ...
8
votes
1
answer
1k
views
Do long transmission lines degrade rise/fall times, and if so, by what mechanism?
I remember someone telling me long ago that if a voltage step is sent down a transmission line, the step will become smeared as it travels down the line, and the rise time will become degraded. I'm ...
10
votes
4
answers
9k
views
How is rise time related to bandwidth of the signal?
Say, I want to limit the rise time of my digital signal edges to avoid dealing with transmission line effects.
How do I determine the maximum frequency of harmonics in my signal knowing that my rise ...