With voltage transmission into high input impedance, at what point will increased resistance of the conductor(s) start to measurably affect performance detrimentally? As in not just attenuation of the whole band but significant roll-off? I don’t believe an aluminium interconnect sounds intrinsicall…

IC cable looks at a theoretical “infinity” load, so ALL of the signal drops across the load and nose across the cable. OK, that’s the theory. We really use 10K ohm to 47K ohm in that ball park as a load. The resistance of a IC conductor would need to go really high to not be a good vokltage transfe…

Isn’t this quite exactly why material choice has a far bigger impact in interconnects than speaker cables? Since there is essentially no current, am I wrong in thinking that the signal (EM wave) travelling along an interconnect is “essentially” missing the magnetic part and has primarily the geomet…

The star quad does lower inductance, but it ALSO allows four 30 AWG wires to be used instead of 25 AWG wire. This much improves the Vp with respect to frequency as we can see in the chart. We have to not forget that we have a lot of moving parts and to not pick favorites. [image] Inductance is AL…

I wonder if van den Hul’s pure Carbon Nano Tube interconnects at a stated 65 ohms per meter are the leading edge in the field of high resistance cabling… Now those would be interesting to try. Only about 7 kilodollars apparently…

[image] rower30: We have to not forget that we have a lot of moving parts and to not pick favorites. A material without the calculations and measurements to show WHAT and HOW it is improving anything except their pocketbook is useless. You’re adding more “error” to already inadequate and poor…

[image] rower30: A material without the calculations and measurements to show WHAT and HOW it is improving anything except their pocketbook is useless How come? You are offering us three varieties of material for Iconoclast and you have no clue (so certainly no data either) WHY they sound dif…

Arenith, Stop being circularly illogical. BUY THE (fill in the blank) if you feel copper is better. That exactly why it is an option. Without pure evidence of a type of copper’s additional performance uplift it is up to you to ADD IT TO A PROPER DESIGN. COPPER DOES MEASURE within it’s resistivity v…

Galen, sorry, I didn’t understand. At all. First time I didn’t understand nearly a thing of what you wrote. Did you mean that since different material choices in a given exact geometry with the same dielectrics can only be evaluated subjectively at this point, they shouldn’t be given value as desi…

[image] Arenith: Since there are currently no capabilities to measure what the materials do to the signal anyway No, there are TONS of information that describe what materials do in a design as they alter R, L and C. But you can’t repeatably design to a flavor of the month theory on an “exot…

When does resistivity start to matter with ICs?

Cables

vkennedy61 February 9, 2022, 11:45pm 4

Over on the Iconoclast thread some of this has been discussed and there’s a few white papers posted as well. It’s a really long thread, but I believe that some of what you are interested in has been discussed starting around Jan of this year.

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When does resistivity start to matter with ICs?

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