Re: installation issues?

On Sun, 12 May 2024 16:23:33 -0500 mikeegg1 via "Users help list for gnucap." wrote: > How do I test gnu cap to make sure it’s ok and functioning properly? There is a README file in "tests" that explains how to run the test suite. > When I run gnu cap on a single file in the tests directory I

Re: geda/lepton schematics

Also posting to the devel list. This thread really should be there, because it is developer related. On Thu, 31 Mar 2022 16:47:33 +0200 (CEST) k...@aspodata.se wrote: > > Not sure what you mean. What is a top module? > >

Re: geda/lepton schematics

On Fri, 25 Mar 2022 22:43:14 +0100 (CET) k...@aspodata.se wrote: > Would something like this suffice ? Actually, no, but it's a start. > > $ lepton-netlist -g verilog arm_can_test.sch > $ head -30 output.net > /* structural Verilog generated by lepton-netlist */ > /* WARNING: This is a

Re: geda/lepton schematics

On Fri, 25 Mar 2022 21:14:30 +0100 (CET) k...@aspodata.se wrote: > That repo is a little strange, I get this: >. > It seems it consists of a few non-connected branches. That repo is for any plugins except models, trying to avoid setting up a new repo for every new set of plugins.

Re: libtermcap

On Wed, 2 Feb 2022 18:52:55 +0100 (CET) k...@aspodata.se wrote: > If it just me, I'd just edit the files to suit my system. That's what I would do. In your case, it looks like the problem was that libtermcap was not installed properly. I link was missing. > > But your message makes me ask: >

Re: parameter usage in simulatoin

On Mon, 20 Apr 2020 08:43:55 +0200 patrick wrote: > module m(1,2); >^ ? need 4 more nodes > ... > Surely I am missing some things... anyway thanks for your help. > I think it's in spice mode .. expecting spice syntax. In spice syntax, a line beginning with 'm' is a mosfet

Re: Gnucap Newbie: did I come to the right place?

On Fri, 14 Feb 2020 10:52:12 +0100 Matthias Brennwald wrote: > I have your PDF documentation from 2006, which I found on Google. Can you > point me to the documentation of the current Gnucap version? From that Google search, any link except that one will lead you to something more recent. The

Re: [Help-gnucap] Help: error using parameters in a subcircuit

On Thu, 7 Sep 2017 11:15:36 -0500 Edgar Ricardo Perdomo Ayala wrote: > what am I doing wrong? You didn't say what version or anything like that, but the list postings you refer to are about 9 years old. A lot has happened since then. This is the latest "release".

Re: [Help-gnucap] [Gnucap-devel] Compiling for FreeBSD

On Tue, 4 Apr 2017 22:59:15 -0600 alan somers wrote: > Yep, that diff fixes the build with the default link order. Thanks .. now I need to think about how to really fix it. It has to do with the order that destructors are run in .. It's the reverse of the order of

Re: [Help-gnucap] [Gnucap-devel] Compiling for FreeBSD

On Wed, 5 Apr 2017 00:38:36 -0400 al davis <ad...@freeelectron.net> wrote: > I have an idea, but I will need you to test it. Try commenting out lines 54 and 55 of l_dispatcher.h . ~DISPATCHER_BASE() { #if !defined(NDEBUG) for (typename std::map<std::string, CKT_BASE

Re: [Help-gnucap] Compiling for FreeBSD

On Tue, 4 Apr 2017 21:44:11 -0600 alan somers wrote: > @@# > @@@unreachable:../../include/l_dispatcher.h:41:DISPATCHER_BASE > build error: link order: constructing dispatcher that already has contents > > gmake[1]: *** [Makefile:129: d_mos1.cc] Segmentation fault > gmake[1]:

Re: [Help-gnucap] Compiling for FreeBSD

On Sun, 2 Apr 2017 23:01:54 -0600 alan somers wrote: > The gmake issue isn't too bad. Lots of software needs gmake when > built on FreeBSD. The bigger problem is that gnucap requires GCC. It shouldn't. The default compiler in the configure scripts should be c++. I will

Re: [Help-gnucap] Oscillator Simulation

On Tue, 13 Sep 2016 14:37:52 +0200 Felix Salfelder wrote: > On Tue, Sep 13, 2016 at 10:03:51PM +1000, Richard Gipps wrote: > > VCC 10 0 PULSE(0 8) > > there seems to be a problem with the time zero value of that pulse > try "VCC 10 0 PULSE(0 8 1p)" instead. maybe "(0 8 0

Re: [Help-gnucap] Oscillator Simulation

On Tue, 13 Sep 2016 22:03:51 +1000 Richard Gipps wrote: > Gnucap 2009.12.07 RCS 26.136 > zero time step > newtime=1.00e-12 rejectedtime=1.00e-12 oldtime=0.00e+00 > non-recoverable user requested > newtime=1.00e-12 rejectedtime=2.00e-12

Re: [Help-gnucap] Finding voltage between nodes

On Mon, 05 Sep 2016 15:01:29 +0200 Orestes Mas wrote: > Is there any simple way to find the voltage between two arbitrary nodes? The easiest way is to put a component in the circuit, and ask for its voltage. Or .. there is probably one there already. Iprobe (4 5) 0

Re: [Help-gnucap] What is a good way to get joules integrated in a .dat output?

For more info on how measures work, see the manual .. http://gnucap.org/dokuwiki/doku.php?id=gnucap:manual:commands:measure On Tue, 23 Aug 2016 13:31:21 -0500 John Griessen wrote: > How do you print x if it is not a function of time? If it is just a single > number, >

Re: [Help-gnucap] diode models

On Fri, 22 Jul 2016 17:07:51 -0500 John Griessen wrote: > and gnucap says, "non-recoverable convergence failure, reducing (itl4) > newtime=3.30e-05 rejectedtime=3.30e-05 > oldtime=3.30e-05 using=3.30e-05 tried everything, still > doesn't work, giving up"

Re: [Help-gnucap] static linking default plugins

On Saturday 20 June 2015, wikitronic wrote: I'm trying to compile with the default plugins staticly linked.I keep getting the error: build error: link order: dispatcher not yet constructed It has to do with the order of running static constructors. Static constructors are run in the order

Re: [Help-gnucap] Multiple instances having the same instance name

On Monday 15 June 2015, d...@eefficiencysolutions.com wrote: That is the instance name XD is used twice for two different instances. The whole circuit works well despite what I think is an error. Is this intended behaviour or should this fail to compile? Intended behaviour. Just curious

Re: [Help-gnucap] Help adapting POLY H source

On Monday 16 March 2015, Orestes Mas wrote: I'm trying to adapt a PSpice macromodel of AD8541 OpAmp. Luckily enough, I've been able to translate nearly every POLY controlled source into a form suitable for GnuCap, mainly by splitting the POLY source into several normal sources as the

Re: [Help-gnucap] Bizarre behaviour -- possibly a bug.

On Sunday 26 May 2013, Orestes Mas wrote: I must confess I'm a bit lost here, due to the fact I'm not aware of some simulator internals. One practical use of UIC is for circuits that have several metastable states, preventing convergence. I know that to do transient simulations one must

Re: [Help-gnucap] Bizarre behaviour -- possibly a bug.

On Saturday 25 May 2013, Orestes Mas wrote: All elements are in series, so clearly I(Vg)=-I(L1) But instead, the first output value of I(Vg) is -900kA, and should be zero. Current through the inductor is OK. This does not happen if UIC is removed from TRAN command. Why? Are voltage

Re: [Help-gnucap] Possibly a bug?

On Wednesday 22 May 2013, Orestes Mas wrote: I'm obtaining unexpected results (NaN) when simulating a simple circuit: Try adding a line . /* */ void DEV_RESISTANCE::precalc_last() { ELEMENT::precalc_last(); _y[0].f1 = (value() != 0.)

Re: [Help-gnucap] Possibly a bug?

On Wednesday 22 May 2013, Orestes Mas wrote: If soo, why not do an OP analysis automatically before every AC one? If I remember correctly, this is precisely what spice does... In this case .. there is a bug that causes a divide by zero on a zero-ohm resistor, with a simple fix. (Does this

Re: [Help-gnucap] gnucap development snapshot 2013-04-23

On Thursday 25 April 2013, Felix Salfelder wrote: On Thu, Apr 25, 2013 at 08:03:20PM -0400, al davis wrote: didn't work for me. What didn't work? g++ -DUNIX -O2 -DNDEBUG -I. -I../include -I../../include -W mg_main.o mg_error.o mg_in.o mg_out_h.o mg_out_dump.o mg_out_common.o

Re: [Help-gnucap] [help-gnucap] gnucap development snapshot 2013-04-23

On Thursday 25 April 2013, Felix Salfelder wrote: Installation (still make install) installs the parts as expected. It also installs the header files in $PREFIX/include/gnucap, to build plugins. didn't work for me. What didn't work? Although it does not use autoconf, the

[Help-gnucap] gnucap development snapshot 2013-04-23

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2013-04-23.tar.gz Optional plugin files: http://gnucap.org/devel/gnucap-2013-04-23-models-bsim.tar.gz http://gnucap.org/devel/gnucap-2013-04-23-models-jspice3-2.5.tar.gz

Re: [Help-gnucap] (no subject)

On Sunday 07 April 2013, Karl Hammar wrote: I get different volt calculated vs. measured in node 2 of simulation below. Can anyone point to where my mistake is? It should be 0.5 V for 50 Ohm input impedance but only measures to less than 200 mV. Replacing circuit 50 Ohm BNC terminator gives

Re: [Help-gnucap] Help-gnucap Digest, Vol 88, Issue 3

On Monday 07 January 2013, Romain GAILLETON wrote: 95% of the computing times seem to come from the LU operation according to the status command. I am running Gnucap on Windows using the last available version (2009) So I tried to run it on Linux using the 0.35 version but the improvement

Re: [Help-gnucap] subcircuits and speed

, I'll ponder it further.) On Feb 7, 2012 6:11 PM, al davis ad...@freeelectron.net wrote: It's not the number of nodes, but rather how they are ordered. In this case, the ideal ordering would produce a tridiagonal matrix, which can be solved in linear time. Gnucap's solver does solve

Re: [Help-gnucap] subcircuits and speed

On Sunday 15 January 2012, Paul Reichl wrote: I am fairly new to gnucap and spice and I have a question regarding the use of subcircuits and the solution times when using them. I have a circuit network with about 500 or so sets of either; R and L, R, L and C, or R, L, C and I, elements in

Re: [Help-gnucap] gnucap speed

On Friday 22 July 2011, Ramiro Aceves wrote: On gnucap: 0.719 seconds Same circuit on QUCS: 65 seconds. I do not understand why there is such tremendous time difference. Same stop time, same step size. Gnucap goodness or Qucs badness I knew Qucs was slow on large circuits, but that

Re: [Help-gnucap] Convergence problem

On Wednesday 20 July 2011, Ramiro Aceves wrote: I have made it work following your guidelines. I have done the following, not sure if it is the right way to compile only the modules required, not the full set of modules: Compile only the modules required. That's the point of plugins. If you

Re: [Help-gnucap] Convergence problem

On Tuesday 19 July 2011, Ramiro Aceves wrote: I have a convergence problem: Quick answer, based on experience, so I can give you an immediate response .. Convergence problems are often tied to the model used. You are using the old modelgen BJT model, which will be phased out. Try instead to

Re: [Help-gnucap] Bug? convergence problem?

On Thursday 10 February 2011, Orestes Mas wrote: I'm facing a weird result when I simulate a simple inverter amplifier built around an operational amplifier. Basically I'm trying to obtain the input- output transfer characteristic (for educational purposes), but if the number of points in

Re: [Help-gnucap] Modal analysis using gnucap

On Wednesday 22 September 2010, Jasper wrote: Thanks for both of your suggestions for trying NGspice. I did but so far it has not been a success. Under OSX the PZ analysis segfaults. Under my Ubuntu Virtualbox it works somewhat. I can obtain the correct pole-zero values for up to 3 RL element

Re: [Help-gnucap] Expression to set value of VCVS?

On Friday 30 July 2010, al davis wrote: On Friday 30 July 2010, Stefan Dröge wrote: Hi, I just tried to set the value of an VCVS by using an expression, but can't get it to work. Here I what I want to do: If Input voltage Vin -5mV then Vout := 0V If Vin 5mV then Vout := 5V

Re: [Help-gnucap] Expression to set value of VCVS?

On Friday 30 July 2010, Stefan Dröge wrote: Hi, I just tried to set the value of an VCVS by using an expression, but can't get it to work. Here I what I want to do: If Input voltage Vin -5mV then Vout := 0V If Vin 5mV then Vout := 5V else (Vin between -5mV and 5mV) linear interpolated

Re: [Help-gnucap] modelgen and bm_

On Wednesday 14 July 2010, Felix Salfelder wrote: in gnucap netlists its possible to hand bm_* expressions to elements, like for example gvcr out 0 vcr in 0 poly( 1, 2, 3 ). i'm having trouble adding such devices into a .model file. for now i'm copying code from bm_poly.cc to the eval

Re: [Help-gnucap] spice models

Sorry about the delay .. At first I was travelling, then had a pile of stuff waiting .. and the answer to this one isn't simple. I will try to address the issues one at a time, hopefully in a manner that is useful. 1. Geda / gschem / gnetlist. This combo really doesn't work as well as it

Re: [Help-gnucap] level 3 model problem

On Wednesday 30 June 2010, Philipp Klaus Krause wrote: I'm rather new to gnucap, so this could be a user error, but: I've seen the following problem three times: gnucap just outputs lots of @@@unreachable:u_limit.h:110:fet_limit_vgs messages (and a R1.X1: RTEMP: effective length is negative

Re: [Help-gnucap] pure inductance simulation

On Wednesday 30 June 2010, Josef Vukovic wrote: I have a question reagrdig my gnucap simulation of a pure inductance. Here is my gnucap code: Pure Inductance: V 1 0 sin(0 220 50) L 1 0 100m ic=0V .print tran v(1) i(L) .tran .001 .02 AcXl.dat uic .end When I plot the

Re: [Help-gnucap] Josephon Junctions

On Monday 08 February 2010, Mike wrote: I am trying to get a simple circuit working that incorporates a JJ, but I cannot get the simulation to produce a simple IV curve. Is there some documentation on how to implement the JJ? Is it the same as the Jspice JJ? Could someone please send me an

Re: New convergence failure (was Re: [Help-gnucap] Several problems: convergence failure...)

On Monday 01 March 2010, Rubén Gómez Antolí wrote: Sorry about repeat topic, but I'd fall in a nightmare with this circuit and his evolution. If is possible that there are a fail in design because I haven't correct output of buck chopper (1.5 V instead 1V, Ngspice runs circuit :-/ ),

Re: [Help-gnucap] Several problems: convergence failure, segment fault, params error

On Friday 05 February 2010, Rubén Gómez Antolí wrote: 1· Problems with params: gnucap param periodo=50us gnucap param llano=0.7*periodo param llano=0.7*periodo ^ ? syntax error According to wiki page (0) are correct, but fails. For now, put it in quotes, as Hspice

Re: [Help-gnucap] Gwave with GnuCap

On Sunday 13 December 2009, Ivan Reche wrote: I know its kinda off, but I don't have anywhere else to ask: Is it possible to use gwave with gnucap? I've tried here, but gwave wouldn't display correctly the waveforms. For now, I'm using gnuplot, but it is not convenient. With gwave, I get

Re: [Help-gnucap] print command

On Friday 11 December 2009, Thiago de Paiva wrote: I want to put, at same place, current and voltage graph. Current is much smaller then voltage, then I want to multiply the value of current by 50, because this way I can see both as well as. Is there a manner to do it directly from gnucap

Re: [Help-gnucap] Problems using measure command

On Wednesday 02 December 2009, Rubén Gómez Antolí wrote: I think that I miss something using measure command. I follow Gnucap's wiki manual: http://gnucap.org/dokuwiki/doku.php?id=gnucap:manual:commands:measure I want to get the RMS value of a signal in a circuit, for it I do: gnucap

[Help-gnucap] gnucap development snapshot 2009-11-10

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2009-11-10.tar.gz Optional plugin files: http://gnucap.org/devel/gnucap-2009-11-10-models-bsim.tar.gz http://gnucap.org/devel/gnucap-2009-11-10-models-jspice3-2.5.tar.gz

Re: [Help-gnucap] howto use different phase and frequency in sources for transient analysis?

On Saturday 17 October 2009, Rubén Gómez Antolí wrote: I need to specify different phases in sources in this way: I1 phase=-10 freq=60 I2 phase=150 freq=180 I3 phase=-56 freq=300 SIN sources not admit phase option. I try with generator function: .gen ampl=10 phase=-10 freq=60 I1 n1

[Help-gnucap] gnucap development snapshot 2009-09-28

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2009-09-28.tar.gz Optional plugin files: http://gnucap.org/devel/gnucap-2009-09-28-models-bsim.tar.gz http://gnucap.org/devel/gnucap-2009-09-28-models-jspice3-2.5.tar.gz

[Help-gnucap] gnucap development snapshot 2009-09-22

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2009-09-22.tar.gz Optional plugin files: http://gnucap.org/devel/gnucap-2009-09-22-models-bsim.tar.gz http://gnucap.org/devel/gnucap-2009-09-22-models-jspice3-2.5.tar.gz

Re: [Help-gnucap] inline comment delimiter

On Friday 11 September 2009, asom...@gmail.com wrote: It says that in section 1.4: Command Structure. On my system, it's at: file:///usr/share/doc/gnucap/html/gnucap-man006.html#htoc5 That's the old manual, for the old stable version. (0.35??) There are a lot of changes in the

Re: [Help-gnucap] inline comment delimiter

On Thursday 10 September 2009, asom...@gmail.com wrote: I'm having a little trouble getting inline comments to work. According to the manual, Anything on any line following a quote is ignored.. But the manual doesn't say whether to use single or double quotes. Where does it say that?

[Help-gnucap] gnucap development snapshot 2009-09-09

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2009-09-09.tar.gz Optional plugin files: http://gnucap.org/devel/gnucap-2009-09-09-models-bsim.tar.gz http://gnucap.org/devel/gnucap-2009-09-09-models-jspice3-2.5.tar.gz

Re: [Help-gnucap] configuring latest snapshot

On Sunday 23 August 2009, vsrk sarma wrote: I did have gcc installed:gcc (Ubuntu 4.3.3-5ubuntu4) 4.3.3 I tried to configure with latest snapshot version dated 2009-08-19. problem continues still. config.log file is attached. Gnucap needs a C++ compiler, not C. sudo apt-get install g++

[Help-gnucap] gnucap development snapshot 2009-08-22

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2009-08-22.tar.gz Optional plugin files: http://gnucap.org/devel/gnucap-2009-08-22-models-bsim.tar.gz http://gnucap.org/devel/gnucap-2009-08-22-models-jspice3-2.5.tar.gz

[Help-gnucap] gnucap development snapshot 2009-08-19

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2009-08-19.tar.gz Optional plugin files: http://gnucap.org/devel/gnucap-2009-08-19-models-bsim.tar.gz http://gnucap.org/devel/gnucap-2009-08-19-models-jspice3-2.5.tar.gz

[Help-gnucap] gnucap development snapshot 2009-08-13

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2009-08-13.tar.gz Optional plugin files: http://gnucap.org/devel/gnucap-2009-08-13-models-bsim.tar.gz http://gnucap.org/devel/gnucap-2009-08-13-models-jspice3-2.5.tar.gz

[Help-gnucap] gnucap development snapshot 2009-07-23

Minor revision control error .. try again. There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2009-07-23.tar.gz Optional plugin files: http://gnucap.org/devel/gnucap-2009-07-23-models-bsim.tar.gz http://gnucap.org/devel/gnucap-2009-07-23-models-jspice3-2.5.tar.gz

[Help-gnucap] gnucap development snapshot 2009-07-21

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2009-07-21.tar.gz Optional plugin files: http://gnucap.org/devel/gnucap-2009-07-21-models-bsim.tar.gz http://gnucap.org/devel/gnucap-2009-07-21-models-jspice3-2.5.tar.gz

Re: [Help-gnucap] Using hash symbol (#) in a variable

On Saturday 18 July 2009, cliffnotes wrote: It would be nice to support 1 non-alphanumeric character to allow us to allow us a hook for our tool to do some advanced things. It can be an @ or | or whatever, but # is a character that I believe I have seen in the past used legally in several

Re: [Help-gnucap] Using hash symbol (#) in a variable

On Friday 17 July 2009, ram342 wrote: Does gnucap support using hash symbol (#) in variable name. Hspice supports such an usage .does a similar thing exist in gnucap? I never thought about it. From a quick check, apparently it works in node names and device names, but there is a problem in

Re: [Help-gnucap] Settling time measurement for underdamped systems

On Thursday 16 July 2009, John Griessen wrote: fall = last specifies only the first swing and not the swings after that. No, in this case, last just means last one in program execution order, not in the time scale. Last does mean last in time. cross finds a crossing .. If there are many,

Re: [Help-gnucap] Settling time measurement for underdamped systems

On Wednesday 15 July 2009, Seshadri V wrote: I would like to know if there is some way to measure settling time of an underdamped system( ringing output) in gnucap. AFAIK, there is no direct way measuring the number of ringing before the output reaches a steady state output. Because the

Re: [Help-gnucap] source voltage bits pattern

On Thursday 02 July 2009, Leandro Marsó wrote: can anyone give me a hint about how could I make a testbench to attack a circuit with a sequence of bits? Can you explain? PWL source? ___ Help-gnucap mailing list Help-gnucap@gnu.org

[Help-gnucap] gnucap development snapshot 2009-06-11

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2009-06-11.tar.gz Optional plugin files: No source changes, so you can use the old source, but you do need to recompile http://gnucap.org/devel/gnucap-2009-06-11-models-bsim.tar.gz

Re: [Help-gnucap] Simulating a discharge circuit

On Thursday 19 March 2009, Thomas Ibbotson wrote: The voltage controlled switch represents the electrical breakdown above a voltage of 5KV. This circuit works quite well in reproducing what we see experimentally. However, there are artifacts caused by the fact that the switch changes

Re: [Help-gnucap] Voltage Controlled Resistor Problem

On Wednesday 04 March 2009, Aurelio Cano wrote: Well, I want to build a current controlled resistor using the voltage controlled resistor circuit. First I establish a linear relationship between the input voltage and the resistor through a table (1V-1k, 2V-2k,...). Then, I put a current

Re: [Help-gnucap] testing verilog netlist input

On Monday 09 February 2009, John Griessen wrote: So, next I'm going to try spice mode to enter a vsource. Is that the way to do it now?  If so, should I keep in spice mode and follow an example of spice simulation to do a run? As you know, there is incomplete work there. If you need something

[Help-gnucap] gnucap development snapshot 2009-02-02

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2009-02-02.tar.gz Optional plugin files: No source changes, so you can use the old source, but you do need to recompile http://gnucap.org/devel/gnucap-2009-02-02-models-bsim.tar.gz

Re: [Help-gnucap] verilog-ams netlist loading

On Tuesday 27 January 2009, John Griessen wrote: I am attempting to follow http://wiki.gnucap.org/dokuwiki/doku.php?id=gnucap:languages: verilog I make a file with contents of the illustrated netlist and top level instances: The I input it to gnucap 2008.12.03 RCS 26.105

Re: [Help-gnucap] verilog-ams instance loading

On Tuesday 27 January 2009, John Griessen wrote: What would it be like to change the verilog-ams input parsing?  What kind of version control methods do you use for dealing with volunteer code patches?  Will you point  me to the place to look in the code? The verilog code is in lang_verilog*.

Re: [Help-gnucap] verilog-ams instance loading

Look here: http://wiki.gnucap.org/dokuwiki/doku.php?id=gnucap:languages:verilog On Monday 26 January 2009, John Griessen wrote: module verilog_io (GND ,OUT ,IN ); capacitor #(.c(1250e-9) ) C1 ( .p(B), .n(GND)); inductor #(.l(.001) ) L1 ( .n(OUT), .p(B)); resistor #(.r(1000) ) R1

Re: [Help-gnucap] gnucap with verilog-ams netlist input

On Sunday 25 January 2009, John Griessen wrote: How do I connect a gnucap internal capacitor model to this netlist generated by gnetlist -g verilog? some things don't work yet. /* structural Verilog generated by gnetlist */ /* WARNING: This is a generated file, edits */ /*        made here

Re: [Help-gnucap] gnucap with verilog-ams netlist input

On Sunday 25 January 2009, John Griessen wrote: Thanks Al, Is there a way to alias other names to a built in model?  Such as alias cap to capacitor? The manual says, 3.2.1  Syntax Device .capacitor label n+ n– expression Where do you use this?  Is label for a name you give it?   What can

Re: [Help-gnucap] gnucap with verilog-ams netlist input

On Sunday 25 January 2009, John Griessen wrote: . /* Package instantiations */ cap #(.value(1250e-9) ) C1 ( .p(B), .n(GND)); In the verilog-ams the pos and neg terminals can be out of order. That's what names are for. If you name the terminals, you can put them in any order. What are

[Help-gnucap] gnucap development snapshot 2008-12-03

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2008-12-12.tar.gz Optional plugin files: There are some changes, so get these too: http://gnucap.org/devel/gnucap-2008-12-12-models-bsim.tar.gz http://gnucap.org/devel/gnucap-2008-12-12-models-jspice3-2.5.tar.gz

[Help-gnucap] gnucap development snapshot 2008-12-03

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2008-12-03.tar.gz Optional plugin files: There are some changes, so get these too: http://gnucap.org/devel/gnucap-2008-12-03-models-bsim.tar.gz http://gnucap.org/devel/gnucap-2008-12-03-models-jspice3-2.5.tar.gz

Re: [Help-gnucap] complex expressions

On Monday 20 October 2008, a r wrote: Is it possible to postprocess AC simulation results? I'd like to be able to write something like: .print ac db20(v(node1)/v(node2)) phase(v(node1)/v(node2)) .ac dec 20 1 1G ac.out This is not just AC specific question but AC analysis makes it slightly

Re: [Help-gnucap] Model for led diode

On Thursday 28 August 2008, Jesus Genicio wrote: Vcc ( 1 0 ) DC 5. Vin ( 5 0 ) PULSE iv= 0. pv= 5. delay= 1. rise= 0. fall= 0. width= 2. period= 4. Rc ( 1 8 ) 122. Rb ( 5 2 ) 12.K Rled ( 8 3 ) 121. Q1 ( 3 2 0 ) Q2N2219A area= 1. The result is correct: gnucap tran 0 2 0.1 #Time

[Help-gnucap] gnucap development snapshot 2008-07-23

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2008-07-23.tar.gz Optional plugin files are not changed except for version number but here's a set with consistent numbering. http://gnucap.org/devel/gnucap-2008-07-23-models-bsim.tar.gz

[Help-gnucap] gnucap development snapshot 2008-07-10

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2008-07-10.tar.gz Optional plugin files are not changed except for version number but here's a set with consistent numbering. http://gnucap.org/devel/gnucap-2008-07-10-models-bsim.tar.gz

Re: [Help-gnucap] Simple simulation, cannot get generator to work

On Tuesday 08 July 2008, Johannes Bauer wrote: What am I doing wrong? I don't know. What commands did you use? ___ Help-gnucap mailing list Help-gnucap@gnu.org http://lists.gnu.org/mailman/listinfo/help-gnucap

Re: [Help-gnucap] Yet another newbie question

On Wednesday 09 July 2008, Johannes Bauer wrote: Now I wanted to use a diode, for example. However I have to specify a model as a value - now one really silly question is: How do I find out what models are available for diodes? I tried some standard values like 1N4001 and 1N914 none of which

[Help-gnucap] gnucap development snapshot 2008-07-07

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2008-07-07.tar.gz Optional plugin files are not changed except for version number but here's a set with consistent numbering. http://gnucap.org/devel/gnucap-2008-07-07-models-bsim.tar.gz

[Help-gnucap] gnucap development snapshot 2008-06-19

There is a new development snapshot available ... http://gnucap.org/devel/gnucap-2008-06-19.tar.gz Optional plugin files are not changed except for version number but here's a set with consistent numbering. http://gnucap.org/devel/gnucap-2008-06-19-models-bsim.tar.gz

Re: [Help-gnucap] Problem attaching models

On Tuesday 11 March 2008, Rubén Gómez Antolí wrote: In other machine with a new gnucap snapshot installation: [EMAIL PROTECTED]:~/Fuentes/gnucap-2008-02-11$ gnucap -a models-ngspice17/asrc/asrc.so prueba.ckt Gnucap 2008.02.10 RCS 26.71 The Gnu Circuit Analysis Package Never trust any

Re: [Help-gnucap] Problem attaching models

On Tuesday 11 March 2008, Rubén Gómez Antolí wrote: Hello all, I have a question and a problem around attach model. There are some known bugs. Plugin attachment is not in its final form. It will change before the stable release. There is some question of how it should work. Your comments

Re: [Help-gnucap] Parameters for PD and PS for BSIM 3.2 don't work for me

On Friday 22 February 2008 12:43, Mark Beal wrote: When I use numerical values for PD and PS on the gnucap BSIM transistor models, I get a reasonable result.  When I use parameters, I also get the same results, except for the PD and PS parameters.  I've attached a simple inverter test case to

Re: [Help-gnucap] Time step control

On Tuesday 19 February 2008, a r wrote: On Feb 19, 2008 6:19 AM, al davis [EMAIL PROTECTED] wrote: If there are no storage elements, there is no truncation error, but there is still activity, and step control is still needed. I agree it doesn't work well in every case but for most

Re: [Help-gnucap] Time step control

On Tuesday 19 February 2008, a r wrote: I have different experiences - a realistic circuit model usually makes the simulation easier. This is especially visible in extracted simulations. It's not that I am so big fan of LTE. If you can come up with something better - that's great. But for the

Re: [Help-gnucap] gnucap: ../Gnucap/e_elemnt.h:150: double ELEMENT::dampdiff(double*, const double): Assertion `*v0 == *v0' failed.

On Tuesday 19 February 2008, a r wrote: gnucap: ../Gnucap/e_elemnt.h:150: double ELEMENT::dampdiff(double*, const double): Assertion `*v0 == *v0' failed. probably a numeric overflow or divide by zero. On Tuesday 19 February 2008, a r wrote: in code: .subckt inv vdd vss out in .parameter

Re: [Help-gnucap] subckt default parameters not supported yet

On Tuesday 19 February 2008, a r wrote: One more feature request. Any chance of getting default subcircuit parameters working? These are pretty ubiquitous, at least in my designs. List them as params ,, .subckt .. .param . What you pass in will override. Or, where is the

Re: [Help-gnucap] Time step control

On Monday 18 February 2008, a r wrote: What I expect from good time step control is (conceptually) simple: 1. Adjust time step so that local truncation error is constant (slightly less than specified value), 2. Limit time step to such value that numerical instability will not occur. In

Re: [Help-gnucap] Time step control

On Monday 18 February 2008, a r wrote: On Feb 18, 2008 8:58 PM, al davis [EMAIL PROTECTED] wrote: Truncation error step control for Euler always gives very small steps, significantly smaller than the steps used for trap. Sure, truncation errors will be larger (that's Euler after all

Re: [Help-gnucap] bm_pulse is still buggy

On Saturday 16 February 2008, a r wrote: bm_pulse still generates a distorted waveform. On 3/12/2007 I've posted a corrected version of the tr_eval function that does not suffer from this problem. To be honest, it's a bit disappointing - I understand you may have a problem testing all the

[Help-gnucap] gnucap development snapshot 2008-01-30

There is a new snapshot available ... http://www.gnucap.org/devel/gnucap-2008-02-11.tar.gz Models (optional) have also been updated, only to change a directory name: http://www.gnucap.org/devel/gnucap-2008-02-11-models-bsim.tar.gz

Re: [Help-gnucap] M= parameter

On Monday 03 December 2007, a r wrote: I have a feeling that M parameter does not work for neither bsim devices (attached) nor subcircuits. This is only based on observations - I haven't yet looked into the code. It works for some devices, not the Spice models, unless they did it. The

Re: [Help-gnucap] Stochastic current inputs

On Thursday 29 November 2007, Chinasaur wrote: At the moment the only analyses I need to run are operating points. The task is, given a network of cells with resistive connections between them, get the operating points under a series of stationary, stochastic input currents.

  1   2   >