In Reply to: What I have been told is... posted by John Marks on March 3, 2016 at 19:05:25:
Can you explain how the physical dimensions of the coaxial connector can prevent it from being a 75-ohm connector???
Better yet, can you also explain how to determine whether a cable is 75-ohms or 50-ohms or whatever ohms???
In other words, if I wanted to measure the impedance of a cable, what would I need? I have some basic test equipment such as a 60-MHz Tektronix scope, a Fluke 45 benchtop digital multimeter, an AC millivoltmeter and an audio frequency generator that produces both sine waves and square waves up to 1-MHz. Would I be able to measure the impedance of a 75-ohms coax or a 110-ohm AES/EBU cable, or even the impedance of an audio interconnect?
Thank you for any insight you may be able to provide into measuring and/or calculating cable impedance.
Thanks again,
John Elison
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Follow Ups
- RE: What I have been told is... - John Elison 03/3/1619:40:28 03/3/16 (9)
- I am running out the door. - John Marks 13:04:59 03/4/16 (8)
- Thanks! I think I found a better link, though.... - John Elison 13:57:07 03/4/16 (7)
- RE: Thanks! I think I found a better link, though.... - flood2 18:57:32 03/6/16 (5)
- RE: Thanks! I think I found a better link, though.... - John Elison 19:50:26 03/6/16 (4)
- You can measure this with a Time Domain Reflectometer - Tony Lauck 10:42:40 03/7/16 (2)
- RE: You can measure this with a Time Domain Reflectometer - John Elison 22:18:08 03/7/16 (1)
- RE: You can measure this with a Time Domain Reflectometer - flood2 14:59:42 03/8/16 (0)
- You're welcome.. - flood2 20:25:19 03/6/16 (0)
- That's what the math looks like! - John Marks 16:31:35 03/4/16 (0)