b06275f045
Update example
2026-08-14 18:20:53 +02:00
300d01e0f8
Use 'arrowplot', and plot mag(vector)
2026-08-14 14:30:12 +02:00
c93b0ec179
Use arrowplot (vertical lines or arrows at frequency of interest).
2026-08-14 11:40:05 +02:00
e7fb53f6fc
Add an arrowplot flag to plot, gnuplot commands for plotting
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signal strenth versus frequency with vertical arrows.
An internal flag PLOT_ARROWS is set.
With command 'plot' this is the same as the combplot flag.
With 'gnuplot' this adds an extra drawing style using vectors.
2026-08-14 00:45:29 +02:00
2d6ca92a7e
Examples: nport instance and command 'sp' are not compatible.
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files.cir uses sp, the others the given 137mhz_bpf.s2p
2026-08-12 18:10:23 +02:00
38a33e25d6
A simple amplifier as example for Harmonic Balance.
2026-08-12 18:10:22 +02:00
0d4bbaeed8
Read and fit S-parameters, then run a transient analysis and compare.
2026-08-12 18:10:22 +02:00
ca23679123
Remove snp2va.cpp from the repositotry, as it is copied diring the
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MSVC build.
Add examples using pre_snp for reading and converting an S parameter file
for use with the nport instance.
2026-08-12 18:10:22 +02:00
e097145414
reduce stabilisation time
2026-08-12 18:10:18 +02:00
563fe5fd6c
no pwl source, so no driven circuit
2026-08-12 18:10:18 +02:00
49674ad93e
better visibility of standard plot
2026-08-03 17:06:26 +02:00
929020f01f
mix spice and plain numbers
2026-08-03 17:06:13 +02:00
40078850f4
Enable spice notations like 2n or 5m in filesource inputs
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Tests that spaces or tabs are o.k.
2026-08-03 17:05:28 +02:00
4ad9c8a70b
get independent outputs
2026-08-03 17:04:53 +02:00
7900238bfc
Examples for comparing of plotting with ngspice, gnuplot and pyplot
2026-07-19 17:37:26 +02:00
12bb48cf41
Add examples for the IHP Open Source PDK
2026-07-08 22:47:31 +02:00
1123808aec
Correct three comments.
2026-07-08 22:46:54 +02:00
62d70a242e
A digital NAND gate 9-stage ring oscillator (less than 30ms simulation time)
2026-07-08 22:42:44 +02:00
037b6578f8
gain cell as an example for the declarative small signal noise approach
2026-05-24 09:58:53 +02:00
b03f3cc8fe
title update
2026-05-23 15:03:12 +02:00
7911d0870d
Correct paths in example file
2026-05-15 01:00:56 +02:00
0638e6ab35
Update to the README.
2026-04-30 13:40:39 +02:00
db8cbb5c6e
Remove result file
2026-04-30 13:06:31 +02:00
a40e283ddc
provide correct path info
2026-04-30 13:06:30 +02:00
d774f5cf7c
Examples for wav audio simulation.
2026-04-30 13:06:29 +02:00
62440272a4
Add non-nqs PSP model as well.
2026-04-30 11:22:08 +02:00
a0af7065a8
Add internal plotting via command
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plot n_one clk n_zero msb lsb digitop
2026-04-29 13:03:12 +02:00
7e2056462c
Example for small signal noise in code model OTA
2026-04-25 17:16:50 +02:00
bc7eb4fdd4
Show equal x axes
2026-04-24 20:49:14 +02:00
a3102a7041
Some tiny updates for pss examples
2026-04-20 17:02:10 +02:00
1a621eb08e
load both standard and nqs PSP models
2026-04-12 11:53:52 +02:00
e1bc444380
Update van der Pol oscillator
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Add oscillators with .control section
2026-04-12 11:47:14 +02:00
14b94b5f15
Corrections to voltage pulses.
2026-04-04 13:37:32 +02:00
38c49fee73
Fix the voltage pulse statements.
2026-04-04 13:37:16 +02:00
fe8193cdfb
Improve S-parameter example: change node names to make plot clearer,
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add port impedance parameters to subcircuit and simply string parameter.
2026-04-01 07:35:20 +01:00
ab03cc94c0
Using mtimeavg
2026-02-03 14:23:41 +01:00
86ca3948eb
Better graphics
2026-02-03 14:23:07 +01:00
4fd68ba901
enable simulation with 'option newtrunc'
2026-02-03 14:22:12 +01:00
d3b0dc1b31
Adapt VDMOS Vth temperature coefficient to usual notation with - for nch and + for pch.
2026-02-03 14:21:50 +01:00
343319a1ed
F5 example removed, obsolete or needs to be improved.
2026-02-03 14:21:38 +01:00
c12ad7ba27
Update the reference to the manual
2026-02-03 14:20:19 +01:00
f6fc256569
Measure transient analysis time.
2026-02-03 14:19:06 +01:00
ac9ac548d6
Update test description
2026-02-03 14:16:23 +01:00
59a64f57d6
Update: add frequency measurement and temperature dependency.
2026-02-03 14:14:18 +01:00
65fc0ad8a6
Add analog code model astate.
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It reports the previous state (delayed by 1 to 3 time steps)
of the input node. Single or differential voltage or current.
2026-02-03 13:57:57 +01:00
7af862af3d
Enable CIDER with KLU for DC, OP, and TRAN analyses. Small signal AC analysis is not yet supported for CIDER complex valued device KLU matrices. The examples/cider testcases produce printed simulation result values which have slight differences between Sparse and KLU. Differences are probably expected and in a few cases are ~1-2%, sometimes a little more. This should be good enough for most CIDER analyses. Francesco did a good piece of work. Runtimes are significantly shorter with KLU.
2026-02-03 13:55:12 +01:00
0e50efc1fa
Add missing value in the last line.
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FIXME: we need to check the input for having adequate columns
2025-08-28 12:14:50 +02:00
481e3e567b
Update to filesource
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Move tprev out of the loop to enable storing the previous time value.
Add some general warning message that an error might have occurred during
reading the time or data values from the data input file.
Allow empty lines in the data input file.
Guard early data values (TIME < time offset) against false reading.
Add some simple examples.
2025-08-11 18:45:21 +02:00
cc101495a5
Fix the xspice transmission_line examples.
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Also, cherry pick:
commit 87d09def9c
2025-07-29 10:57:55 +02:00
70ee0f8ef5
Add examples
2025-07-29 10:54:37 +02:00
Holger Vogt
Giles Atkinson
Brian Taylor
dwarning
Brian Taylor
Vadim Kuznetsov