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ngspice
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177 Commits

Author SHA1 Message Date
Holger Vogt e6bbedf203 example for ~(~v(9)&v(8)) 2020-03-15 08:50:57 +01:00
Holger Vogt 6c3b14e396 make simulation faster, allow batch mode 2020-03-15 08:50:57 +01:00
Holger Vogt c8082072fb Add ac simulation 2019-11-30 11:36:26 +01:00
Holger Vogt 3109cf2825 add simulation time info 2019-10-05 13:16:13 +02:00
Holger Vogt 09e1e03fc3 use ; instead of $ as end-of-line delimiter 2019-10-05 13:15:36 +02:00
dwarning 435520afbe better title line 2019-09-14 11:26:34 +02:00
dwarning 4ee09fe5c6 vbic model example files 2019-09-14 11:26:21 +02:00
AsamMich 9b28a951d2 Patch #83 
Improve and complete command 'compose'
 2019-08-13 23:34:48 +02:00
Holger Vogt 6af98bf90b remove warnings 2019-08-13 23:16:12 +02:00
h_vogt a0d87048e6 command.c, inpcom.c, add command 'setcs': like command 'set', 
but case sensitive, and thus keeping upper or lower case
of subsequently following variable name and other letters.
 2019-08-13 22:51:36 +02:00
Holger Vogt 9dec5f5f1e An example for non-convergence of the pll if the stepszelimit is removed. 
Adding a somewhat relaxed limit by TMAX in the tran command will speed
up the simulation by a factor of 1.5 without compromising the result.
 2019-03-21 20:26:24 +01:00
dwarning 9e70329dd3 remove double mos instantiation 2019-03-21 20:21:32 +01:00
Holger Vogt a89e5db571 creating a linearized cutout of the original vector 
by defining the vectors lin-tstart, lin-tstop, and lin-tstep
before issuing the 'linearize' command
 2019-03-21 20:13:27 +01:00
Holger Vogt b985472ac1 new examples: inverters and ring oscillator using SOI 2019-03-21 16:13:54 +01:00
dwarning 73bf1b279a Demonstration of mobility reduction and weak-inversion model. 2018-12-22 22:44:03 +01:00
dwarning 7615206238 Few corrections. 2018-12-22 22:43:53 +01:00
Holger Vogt 5298cd56c7 Few cleanings 2018-12-22 22:43:45 +01:00
dwarning 9937b5bed8 Substitute ancient subthreshold model parameter with ksubthres. 2018-12-17 23:01:32 +01:00
Holger Vogt 1dc125fba8 various fonts and font sizes for plotting 2018-11-18 15:51:21 +01:00
Holger Vogt df5155abee move model name example to examples/various 2018-11-18 15:47:49 +01:00
Holger Vogt f46135cc03 script to start GTKWave 2018-10-13 22:47:53 +02:00
Holger Vogt 66e8e440ea update, bug fixed 2018-09-26 18:45:56 +02:00
dwarning bd5379d760 one tran analysis is sufficient 2018-09-14 20:34:27 +02:00
Holger Vogt 3138811acd README for the table model and its table directory 2018-09-02 18:05:10 +02:00
Holger Vogt 925cb49ff2 Add some description, correct minor bugs. 2018-09-02 18:05:06 +02:00
Holger Vogt 8a813f75e8 replace mc_source by reset, to avoid adding additional circuits 2018-09-02 18:04:10 +02:00
Holger Vogt 800c9711f2 add a flag 'type of the union' to safely free model->param[i]->element, 
if it contain a malloced string
 2018-08-28 21:29:05 +02:00
Holger Vogt f988dfad93 add plotting to the example 2018-08-27 12:20:30 +02:00
Holger Vogt df01a9b587 noisy ring-oszillator now using transistors with different W/L 
(NMOS 2/2.5 and 5/0.25, PMOS 4/0.25 and 10/0.25)
for testing b3temp.c pParam generation, storage and removal
 2018-08-25 23:21:49 +02:00
Holger Vogt eb68799f18 1/f noise current, random current and voltage sources 
command 'alter'
 2018-08-23 16:34:55 +02:00
Holger Vogt 7bf81eb122 Add black grid and labels (for Linux) 2018-08-23 10:10:51 +02:00
Holger Vogt 95a0e69678 update to the example: 
change noise paramater to zero, then to more noise
re-running the simulation enforces creating new 1/f noise values
 2018-08-22 22:32:32 +02:00
Holger Vogt b0537d7019 noise example with bip transistor 2018-08-18 11:28:56 +02:00
Holger Vogt 053a1ef15d Some hints how to use this file 2018-08-18 11:28:27 +02:00
Holger Vogt 39506dadee NMOS and PMOS dc input and output characteristics 2018-08-18 11:28:18 +02:00
Holger Vogt 9becf1313a complex model: a script loads two circuits with MOS and 
bipolar table models, and run a sequence of dc simulations
with switching the circuit.
 2018-08-18 11:28:13 +02:00
Holger Vogt bb86b137a7 add 'reset' to fix a huge memory leak 2018-08-18 11:27:38 +02:00
Holger Vogt e99985a156 add two commands 'reset' to avoid huge memory leak 2018-08-18 11:27:08 +02:00
Holger Vogt b0883ffc5d add the reset command to avoid huge memory leak 2018-08-18 11:26:55 +02:00
Holger Vogt 83db375fe8 add plotting with internal analog plot 
and gtkwave for digital data
 2018-08-10 19:55:52 +02:00
Holger Vogt ef9ba3d687 remove peronal file path 2018-08-10 19:43:22 +02:00
Holger Vogt e8e5823955 add a hint to run the table generator before 
simulation is possible
 2018-08-10 19:41:02 +02:00
Holger Vogt d4217f1256 update: use $inputdir instead of absolute path 
outputpath not (yet?) available
 2018-08-07 19:58:47 +02:00
Holger Vogt ab9ffc2319 small update of comment 2018-08-07 19:57:52 +02:00
Holger Vogt 1406114127 add POWER NMOS and PMOS example with quasi-saturation 2018-08-07 19:57:44 +02:00
Holger Vogt c8705147b0 Original examples fixed and moved to here 2018-07-28 13:45:41 +02:00
Holger Vogt 0de66ea3b8 XSPICE state machine example 2018-07-28 12:54:02 +02:00
Holger Vogt a5e382d0ea XSPICE d_source examples 2018-07-28 12:52:21 +02:00
Holger Vogt 6e452b1e7c xspice filesource example 2018-07-28 11:45:33 +02:00
Holger Vogt 1cbcd25cab various digital simulations of a 4-bit NAND gate full adder: 
Bipolar, MOS, behavioral, and event based
 2018-07-22 15:12:59 +02:00