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Questions tagged [pspice]

PSpice is a SPICE analog circuit and digital logic simulation program for Microsoft Windows. The name is an acronym for Personal Simulation Program with Integrated Circuit Emphasis.

PSpice was initially developed by MicroSim and is used in electronic design automation. The company was bought by OrCAD, which was subsequently purchased by Cadence Design Systems. PSpice was the first version of UC Berkeley SPICE available on a PC, having been released in January 1984 to run on the original IBM PC. This initial version ran from two 360 KB floppy disks and later included a waveform viewer and analyser program called Probe. Subsequent versions improved on performance and moved to DEC/VAX minicomputers, Sun workstations, Apple Macintosh, and Microsoft Windows.

Version 3.06 was released in 1988, also came on two 5.25 floppy discs, and had a "Student Version" available which would allow a maximum of up to ten transistors to be inserted.

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Saber Open Loop Simulation generates Weird Results

I am learning Saber for simulation, and played around with some simple circuits, but when I was trying to simulate a simple circuit (single pole with single zero compensation circuit), I got weird simulation result. One Pole with One Zero…
Michael Chow
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How to fix ngspice ac analysis bug?

I am trying to run an AC analysis on a circuit I made. I'm getting an error that has something to do with the model I am using, and I don't know how to fix it. This is the error I receive whenever I run my code. doAnalyses: AC: Timestep too small;…
TJ Webster
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How does Python's slice function in PySpice accept a fractional value for step size?

I am using PySpice for circuit simulation in Python and find it puzzling that the slice() function is used in this context with a fractional value for step size. For example, the following line of code from docs sweeps over an input voltage from -2…
Sun Bee
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LTspice Transformer issues

I'm struggling with this simple schematic in LTspice. I just want to made a 1:1 insulation transformer but probably I'm missing something. In theory it should works, the inductor are identical and the voltage is imposed from the primary V1. The…
Simone Santonoceto
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How to solve the issue found in the error log of ltspice?

I am trying to simulate Buck converter LM536005-Q1 in ltspice. I have imported third party module of LM53600-Q1 from TI website. I have created symbol and stated running simulation but I did not get the waveform window. When I check the log, I am…
Arun Aru
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Python 3.6. keypress -> orderly exit during program execution

A question I have seen posed often, but have not yet found a solution that fits my problem. I would therefore appreciate some help to improve both my code and my understanding of Python. I'm working on a large chunk of code that features Grammatical…
Matevž Kunaver
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How to get multiple waveforms in ltspice

I'm doing the CMOS inverter simulation. My circuit and waveforms are correct. But I want the waveform for the different Vtc values and also the different Length and width. If I am changing any data like Vdd and L and w the previous waveform gets…
user13185880
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Automatically quitting ngspice after simulation

I was working on an automation project which requires me to fire a simulation in ngspice, get the data in a .txt file and quit ngspice. I have the following code to call ngspice: import sys import os def invoke_ngspice(): …
Vibhore Jain
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How to define a PDF in HSPICE with or without Verilog-A?

I have a pdf function which is an exponential function divided by a definite integral. I have two problems: 1) How do I define my own PDF in HSPICE? ( I have found HSPICE has Gaussian distribution, but that's not what I am looking for) 2) How do I…
Ibrahim
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Circuit simulation in Pspice

I have this circuit to be simulated in Pspice. I'm a complete newbie to it. But so far have managed to make the schematic (adding external components, which were not available already in the library). I have added models for AD8336, AD736 and AD8551…
Sakshi
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Simple error in configuration

Folks, I' am getting below error : Design mode: (reason: ERROR: Load Verify). It may require classes (such as Adobe AIR components) that are not supported by design mode. Check the Eclipse error log for more details. Main.mxml "Design view" …
Saurabh Gokhale
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LTspice: unexpected current behavior

Driving a power mosfet with a gate driver w/ PWM toggle. When high, mosfet is expected to sink most of the current (current and voltage values in schematic are for testing purposes) through R1, however current does not change in 2nd branch (R3). Can…
tmckzs
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what library does LED belong to in Pspice?

I am a student and new to Pspice, I am given the following example circuit and asked to created the following circuit, which I have this I think I have my circuit designed correctly. However, I am having trouble with finding the correct diode.…
lsi
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No output from spice simulation via netlist with Xyce

I am trying to use Xyce for a project and am running into this issue. I am copying the DC sweep netlist example from the Xyce user guide on page 39 to notepad and saving it as test2c.cir. I then copy it over into the Xyce directory and run the Xyce…
user P520
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Run sequentially cir and net files with tcl/tk

I would like to give me your advice about using cadence orcad so I can run sequentially cir or net(netlist) files with pspice.exe in cmd of my pc. I use tcl/tk language.I have tried a few things without any results. I want to make something similar…
paiktis30
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