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resistor symbol to ANSI/IEEE style #766

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andreymrt opened this Issue Oct 25, 2016 · 5 comments

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andreymrt commented Oct 25, 2016

Is it OK to submit a patch to fix the resistor symbol to match ANSI Y32.2/IEEE Std 315?

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bobc Nov 4, 2016

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That spec provides two symbol shapes for resistor, and KiCad uses one of them.

So exactly what change are you proposing, and what is the justification?

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bobc commented Nov 4, 2016

That spec provides two symbol shapes for resistor, and KiCad uses one of them.

So exactly what change are you proposing, and what is the justification?

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andreymrt Nov 4, 2016

The squiggly symbol. The box symbol is mostly used for impedances like transmission lines or generic loads.

Justification: squiggly is far more commonly used and easy to recognize (take a look at any article in JSSC or TCAS)

andreymrt commented Nov 4, 2016

The squiggly symbol. The box symbol is mostly used for impedances like transmission lines or generic loads.

Justification: squiggly is far more commonly used and easy to recognize (take a look at any article in JSSC or TCAS)

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bobc Nov 10, 2016

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The box symbol for a resistor is the preferred international symbol. I understand there are some regions which lag behind international standards...although I don't mind the squiggly myself, it is more distinctive.

Since KiCad recently changed from the sqiggly to the box I guess such a patch would not be accepted.

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bobc commented Nov 10, 2016

The box symbol for a resistor is the preferred international symbol. I understand there are some regions which lag behind international standards...although I don't mind the squiggly myself, it is more distinctive.

Since KiCad recently changed from the sqiggly to the box I guess such a patch would not be accepted.

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maximeborges Nov 20, 2016

IEEE and ANSI are americans standard. There is a lot of effort converting all the current libraries to the international IEC standard which, I think, is the best to do. Also in Europe as far as I know you almost never find the squiggly symbol.

maximeborges commented Nov 20, 2016

IEEE and ANSI are americans standard. There is a lot of effort converting all the current libraries to the international IEC standard which, I think, is the best to do. Also in Europe as far as I know you almost never find the squiggly symbol.

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andreymrt Nov 22, 2016

Ok, I didn't know that. I always thought that was the standard since it's pretty ubiquitous in nearly all application notes, even from companies like ST and NXP, not to mention textbooks, and lectures from luminaries like Sansen.
I guess I'll just keep my own non-euro libraries then.

andreymrt commented Nov 22, 2016

Ok, I didn't know that. I always thought that was the standard since it's pretty ubiquitous in nearly all application notes, even from companies like ST and NXP, not to mention textbooks, and lectures from luminaries like Sansen.
I guess I'll just keep my own non-euro libraries then.

@andreymrt andreymrt closed this Nov 22, 2016

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