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Date: | Mon, 12 Oct 2015 20:56:17 +0200 |
From: | "Peter Stuge (peter AT stuge DOT se) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com> |
To: | geda-user AT delorie DOT com |
Subject: | Re: [geda-user] A lesson from gnet-makefile |
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John Doty wrote: > suppose instead that we had a pin attribute that said > “this pin may draw three amps”. .. > Suppose a resistor had an attribute that meant > “100 ohm shunt terminator”. Imagine a component with a pair of > pins identified by an attribute as a differential input. > Put them on the same pair of nets, and the netlister could deduce > that the pair is a balanced transmission line and the the resistor > needs to be close to the input. Yes! I think it should go even further though, to also specifying the impedance for the component pin pair. I also imagine presets, possibly with multiple parameters, allowing to say simply "High-speed USB" , "10Mbps EIA-422" or "PCIe 1x" for a given pair. //Peter
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