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MyConnector101
เข้าร่วมเมื่อ 13 ม.ค. 2011
Time Domain Reflectomety
Covers how to perform the function of a TDR by using an oscilloscope
and a pulse generator. Understanding the material in this video will
help you to understand how an actual TDR works.
and a pulse generator. Understanding the material in this video will
help you to understand how an actual TDR works.
มุมมอง: 40 847
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I find that the CPT-12U will scuff the dielectric into spider web like threads which will always get between the inner conductor and the terminator, making the connection no good. Also if you are terminating leaky feeder, the leading blade of the CPT-12U will catch the lip of an aperture and rip it, deforming the end. You will get a perfect bevel though fwiw.
Used a TDR daily for locating breaks and shorts in the telephone network. Could pinpoint the fault at up to 8km with blistering accuracy... th-cam.com/video/IjK0GGLjVb8/w-d-xo.html
Great video.
This stuff is like black magic. Say a prayer before starting. With all these parts
👍👍
Does it reflect back and forth multiple times making it something like a runtime oscillation?
Great simple video to understand basics of TDR. But, please keep ISO units to be more universal...
Why? There are other countries and culture than your own
@@JP-pq9xi, why not ? Do you think exception should be the rule for the majority ?
@@etienneguyot9069 I think if your country has different norms, I shouldn't assume that you should conform to mine on the internet. Your sense of entitlement is staggering
I remember a tek 1502 tdr back in the day. It was a nice piece of equipment to work with. Made by Tektronix, battery powered and good for field work.
truly brilliant👍👍👍👍 best explanation on youtube
This video my friend is fucking beautiful.
How to check insertion loss by TDR. Can anyone tell us
where can i get the tools ? have you got a Link please .
Does this work on D10 cables?
thanks, cable and connectors came with no instructions.
What is the best way: To send one short pulse (about 100ns) or send a step? I assume the short pulse would get more attenuated when travelling through the cable? And the step would travel longer as it is DC after the step rising edge.
Thank you for the intuitive video. I have a question. What if there are multiple resistors connected to the cable at different locations?
they all would cause some kind of reflection, any break in the transmission line will cause this even proper termination points. this is why you use a TDR to make sure these losses arent above specs. Cable, fiber dont matter any kind of change in the transmission line will show a reflection this is how you test lines because you know it is there for a certain value. if its not then you got a problem. even a fiber weld shows up on a TDR. modern handhelds you dont even need a scope on them. they got TDR's now that are even network analyzers for QAM* data channels cable all in one...
Thank you for making my research nice and simple! :)
Yes, a MOHR TDR like the one shown in the video can measure accurately down to less than a picosecond equivalent distance. This translates to much less than a millimeter.
An easy to follow procedure. If like me, you'd never fitted an N-type before, this will show you exactly how to do it. WARNING.. Watch the video with the sound off otherwise the dudes voice will send you to sleep long before you reach the end.
Can this method be used to measure the impedance of a home made swr meter? (stripline) because I'm not getting the correct results.....
i want to use it with RJ45 CABLE..But how !!
Thank you!!!
Thanks alot dear.
Very good video as a tutorial for TDR. Thank you very much
Just so you know after much argument at work one of our engineers dug up an original diagram for these connectors and the top Teflon piece is supposed to go cup out. I know it doesn't seem right but it's there on the original diagram from 1960-something.
thank you. without that information humanity as we know would cease to exist. seriously, cup in, cup out, it's not going to make any difference.
Hello sir. Do you suppose a TDR could be used to measure lengths in the order of a few inches? I have a 3-ft multiconductor coiled cable that I need to find the break in the wire for, and it would be helpful if I didnt have to split up the insulation badly to find the break. Thanks.
Very good explanation, thank you :)
Watching this... I quickly realized... hummm... maybe the 900 isn't what I need for my little 100mw transmitter... ;P
Great Video!!
woah! look at the size of that shit!
Good video, thanks you