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308 Commits

Author SHA1 Message Date
Alessio Cacciatori 2c10c4aebd S parameter simulation 
Command '.sp'
arbitrary number of ports
ports made with modified VSRC

Patch provided by Alessio Cacciatori
https://sourceforge.net/p/ngspice/discussion/127605/thread/7a2655c86f/
 2022-02-17 15:48:00 +01:00
Holger Vogt afde37c35d add y-axis label 2022-02-01 12:21:08 +01:00
Holger Vogt a464ef47bc meas example with output redirection 2022-01-15 16:03:19 +01:00
Holger Vogt 2981d0f56d Use 'esave none' to reduce memory consumption. 
Only analg nodes are to be saved.
 2022-01-09 10:58:51 +01:00
Holger Vogt 738ac4863c Obtain memory and simulation time 
Add rusage information command
 2022-01-03 22:11:15 +01:00
Carsten Schoenert e373ca0e2f tcl-testbench[x].sh: Use bash within shebang 
These scripts using non Posix shell extensions which are provided by bash and
require the bash as shell to be fully functional.
 2022-01-02 13:51:44 +01:00
Holger Vogt 8bf28b5aee Comment out non-ngspice compatible commands 
Otherwise error messages would have beeen generated
 2021-12-16 08:12:29 +01:00
Holger Vogt 45ceeee509 small updates to example files 2021-12-13 21:50:10 +01:00
Holger Vogt b714f0bea9 Add other integration methods to the example 
We have: meas, integ, and code model INTEG
 2021-12-13 21:50:00 +01:00
Holger Vogt 1605d293d0 Add function integ to control language 
Trapezoidal rule for integrating a vector.
 2021-12-13 21:49:45 +01:00
Holger Vogt a68cfefb28 hcopywidth and hcopyheight failed with SVG plot 
cp_getvar read CP_NUM, not CP_STRING
Patch #108 contributed by Giles Atkinson

Add hcopywidth and hcopyheight to example nmos_out_BSIM330_svg.sp
 2021-12-13 21:49:01 +01:00
Holger Vogt aaf586ae83 .probe: Add more safeguards to prevent crashes 
in case of wrong user input
due to obtain empty lines in shared ngspice
 2021-12-13 21:48:21 +01:00
Holger Vogt d41379177f .probe: various example netlists 2021-12-13 21:48:09 +01:00
Brian Taylor f66573883f Fix typo in the diode/README file. 2021-12-13 21:43:09 +01:00
Brian Taylor a46b2041c2 Fix pz1.cir test so that the Cider OP data file is saved and the PZ analysis is run. 2021-12-13 21:42:53 +01:00
Holger Vogt 87b9df6681 CIDER: Examples for 2D plotting with gnuplot 2021-10-30 13:21:53 +02:00
Holger Vogt 69e2903bf6 Update to Garbage Collector for cpl 
Update some comments
Insert the deleting functions
Reset pool_vi and ndn_btree
Add an example with 20 call to cpl in sequence
 2021-10-30 10:44:29 +02:00
Holger Vogt 70e4d2157e New names for the (experimental) ramp-time capacitor and inductor code models 2021-10-29 16:28:57 +02:00
Holger Vogt eb7b1fc1e7 Some typos 2021-10-05 17:54:06 +02:00
Holger Vogt 34c227815d RKM for C: Revert reading f, it is again femto 
Examples files include expected results
 2021-09-29 20:31:53 +02:00
Holger Vogt 7f981569d9 Update to RKM if ngbehavior=lt is set: 
Reading C and R values follow the RKM convention with 2 exceptions:

    Upper case and lower case letters are not distinguished.

    Letters m, M denote milli (1e-3), letters Meg or meg denote 1e6.
 2021-09-29 20:31:44 +02:00
Holger Vogt daa3609e58 Enable RKM notation for R and C, when ngbehavior LT is selected. 
Add 2 evaluation functions specific for R and C respectively.
R has code letters L, R, K, M, G, T enabled. M here is Meg!
C has code letters p, n, u or µ, m, F. F here is unity, femto is
not available, m is still milli!
Two examples files show all cases.
 2021-09-29 20:31:14 +02:00
Holger Vogt 0817d86f33 No oscillation: Add a starting pulse 2021-09-29 20:23:43 +02:00
Brian Taylor 663a79dea8 Fix NAN error in numd2 area report and crashes when a doping file is missing. Update examples/cider so that the test circuits all run; add case sensitivity tests for rootfile and ic.file parameter strings enclosed in a single pair of double quotes. 2021-09-29 20:22:56 +02:00
Holger Vogt 4667a74389 Adapt gtkwave plotting to the various OSs. 
macOS still needs some improvement.
 2021-09-29 20:19:19 +02:00
Holger Vogt aeafe4bd49 Update to the optran circuit examples: 
TLV9002-test.cir: Rely on optran from spinit
TLV6001-test.cir: Override optran from spinit
 2021-09-29 20:16:32 +02:00
Holger Vogt 00f530c9cb Add MOS model cards 2021-09-29 20:15:55 +02:00
Holger Vogt 7c84e3f993 SOA for bipolar 
Replace pow_max by pd_max
 2021-09-29 20:15:41 +02:00
Holger Vogt 04080c2ab3 Add short description of the new examples 2021-09-29 20:14:26 +02:00
Holger Vogt f40e6b9357 Linux line endings (LF only) 2021-09-29 20:14:17 +02:00
Holger Vogt 70ba37b149 Example OpAmp which converge for op only with optran: 
TLV6001 and TLV9002
 2021-09-29 20:14:05 +02:00
Holger Vogt b20ac16093 remove old files 2021-09-29 20:13:53 +02:00
Holger Vogt 03d956cbfa Example file with three dual opamp filters. 
Different opamps: TL072, OPA1656, OPA1612
 2021-09-29 20:13:35 +02:00
Holger Vogt 8dcb1f901a Three OpAmp Example for optran 2021-09-29 20:13:18 +02:00
Holger Vogt 8c5c8da2a7 line endings LF (Linux) 2021-09-29 20:13:04 +02:00
Holger Vogt 4e03efacb7 Use InpEvaluate() instead of strtod to enable ngspice numbers 
with scale factors Meg k m u n p f etc.
 2021-09-29 20:09:22 +02:00
Holger Vogt 3be5926f2c Reverse stepsize and finaltime in optran command, 
stepsize first as in tran command.
 2021-09-29 20:08:51 +02:00
Holger Vogt 6bdd6610f6 add tran simulation 2021-09-29 20:08:03 +02:00
Holger Vogt 89f78bfc6c updates to optran description and example. 2021-09-29 20:06:53 +02:00
Holger Vogt 29dfa23465 Pass Labs F5 Turbo 
example for optran
 2021-09-29 20:04:48 +02:00
Holger Vogt a08e6a0676 Add new SOA parameters (safe operating area) for BJT. 
We now scan for max of Ic, Ib, power, taking into
account the max allowed temperature, using the thermal
resistance rth0 model parameter between juntion and ambient.

Two user options are there: If rth0 is given, we calculate
a derating of the max power allowed.
Without a constant max power according to model param pow_max
is assumed.

The new model parameters for the bipolar model are:
pow_max, ic_max, ib_max, te_max, and rth0, in addition
to the already existing vbe_max, vbc_max, adn vce_max.
 2021-09-29 19:59:58 +02:00
Holger Vogt cbb63215c4 Remove the old SOA examples 2021-09-29 19:59:03 +02:00
Holger Vogt e9274d4b9c New folder with SOA (safe operating area) examples 
in the ngspice examples section
 2021-09-29 19:58:50 +02:00
Holger Vogt 33571877dc Some update to SOA for a diode: 
Limit output to four digits
Add power and temperature limits.
Derating with self-heating, or with fixed temperature,
or no derating at all, selectable by setting model parameters.
Example file: SOA plotted as frame, with diode current.
 2021-09-29 19:58:11 +02:00
Holger Vogt 7ebe17f32f hicum plot has non-monotonic x values. 
We thus need parametr 'retraceplot'.
Command 'run' not required.
 2021-09-29 19:56:50 +02:00
Holger Vogt 05624bedd3 move examples file to prpoer xspice folder 2021-08-03 15:53:11 +02:00
Holger Vogt 5603c8cae7 Write some output to file with raw file or table format. 2021-07-23 14:54:25 +02:00
Holger Vogt ce1ddd8623 Circuit (ring oscillator) with various current and voltage measurements 
inside and outside of subcircuits
 2021-07-23 14:43:20 +02:00
Holger Vogt 1a9ea82b97 new file name (transfer characteristics inside) 2021-07-18 12:03:37 +02:00
Holger Vogt c7cd07e2e0 Update to psp model files and examples 
NMOS, PMOS, inverter, ring oscillator
 2021-07-18 11:57:51 +02:00