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Seth Hillbrand
d25ac664f8
|
2 years ago | |
|---|---|---|
| .. | ||
| README | 2 years ago | |
| state-3bit-count.in | 2 years ago | |
| state-machine-3b-count.lib | 2 years ago | |
| up-down-c.kicad_pro | 2 years ago | |
| up-down-c.kicad_sch | 2 years ago | |
| up-down-c.wbk | 2 years ago | |
| up-down.kicad_sym | 2 years ago | |
README
Up-Down Counter
This project contains a home-made symbol, a home-made subcircuit counter model, and a mix of digital and analog nodes.
The subcircuit counter model is made by the built-in ngspice/XSPICE state machine.
This is a very simple method to run a programmable sequencer. The 'program'
is contained in file state-3bit-count.in.
Please see chapter 12.4.18 'State Machine' of the ngspice manual for more information.
The digital nodes of the state machine are interfaced to the analog world by D/A bridges.
When plotting the output, we use User-defined signals to allow plotting of
multiple signal vertically without overlap, thus emulating multiple panes.