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12 lines
536 B
Markdown
12 lines
536 B
Markdown
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This directory contains various simulation of the M-Bus part of [MBus_USB.pdf](../doc/MBus_USB.pdf?raw=true).
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The simulattions are done with [qucs-s](https://ra3xdh.github.io/) using [ngspice](http://ngspice.sourceforge.net)
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as simulation backend.
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The first simulation is as close to the original as possible and gradulally changed to
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remove receiving parts and using a zener diode to have a constant 12V voltage drop
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regardless of the power supply. The final version works with any voltage in M-Bus range.
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