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doc - 0.9.0
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Harnesser committed Nov 8, 2023
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20 changes: 13 additions & 7 deletions CHANGELOG.md
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# Changelog

## [0.9.0] PWL and Inverters <<UNRELEASED>>
I want tiny-spice-rs to help with my drum machine project. This checkun
adds support for PWL voltage sources, and for a model of an inverter
so I can simulate a twin-T oscillator.

## [0.9.0] PWL, VCVS and VCCS
I want tiny-spice-rs to help with my drum machine project. This checkin
adds support for PWL voltage sources, and for VCVS (`E`) and VCCS(`G`)
elements so macromodels of simple opamps is possible.

### Added
- PWL voltage sources
* r > 0 not supported
* r > 0 not supported
- Voltage-Controlled Voltage Source
* `k` is the V/V factor
- Voltage-Controlled Current Source
* `k` is the A/V factor

### Fixed
- Panic now if subcircuit definitions are not found. Otherwise this can
cause a stack overflow.
- Treats `0`, `GND` and `gnd` within subcircuits as the global nodes
they are.
- Some actual value checks for circuits read from SPICE decks



Expand All @@ -23,7 +29,7 @@ Subcircuits! See the circuit `ngspice/param_fullwave_rectifier.spi`.
### Added
- Subcircuits with are supported
- Basic Bracket Expression with 1 identifier supported:
* e.g. `cval={top_cval}`
* e.g. `cval={top_cval}`

### Changed
- Nodes can have names now, but integers still work
Expand All @@ -36,7 +42,7 @@ Subcircuits! See the circuit `ngspice/param_fullwave_rectifier.spi`.
- Toplevel program `tiny-spice`
- Sinewave Voltage Source
- SPICE deck reader
* Components: I, V, R, D, C
* Components: I, V, R, D, C

### Changed
- Configuration object to hold parameters for analyses
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2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -17,7 +17,7 @@ Currently supported components (alphabetically):
* `G` - voltage-controlled current source (VCCS)
* `I` - current source, `DC` and `SIN()`
* `R` - resistor
* `V` - voltage source, `DC`, `SIN() and PWL()`
* `V` - voltage source, `DC`, `SIN()` and `PWL()`
* `X` - subcircuits

Analyses supported:
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