rfTlineLib sbend
Hello,I'm modeling a PCB trace using rfTlineLib components, and wanted to clarify a couple things about "sbend" discontinuity in particular.1. Documentation for this component in Cadence does not...
View ArticleBus pin mapping in layout
Dear experts,When generating or placing pins from schematic to layout, how control mapping of bus pins?Say how to map sel<0:1> schematic pin to sel[0] and sel[1] layout pins.Ā ThanksNorayr
View Articlecannot open file for edit in VSE
Hello All,i copied a design from a colleague but when i am trying to open any of the schematics its only giving the option to open it in read only mode.I have deleted the lck files and have write...
View ArticleDetecting existence of cds_global variable in AMS
I can reference a cds_global variable in a verilogams view by using cds_globals.variableName. However, I'd like to be able to test its existence, and the to set it to a default value if it is not...
View ArticleQuestion about the iprobe cell in analogLib
I am using cadence virtuoso 6.1.8.Ā I have a question about the iprobe cell in analogLib. I know that it appears as a short to DC signals and as an open to small-signals during STB analysis and also...
View ArticleBump location reassignment in LayoutXL
Dear all:I am manage bump location on Layout XL. My case is there are hundreds of bumps with there own coordinate.Now I want them to be relocated to their own new coordinate.Is there any way to import...
View ArticleAMS simulation test failed
I am getting the error below when I try to netlist and run AMS simulation. I am not sure what the problem is. Please help if somebody know how to fix this error.*Error* index:argument #1 should be a...
View ArticleUsing pre-defined constants in ADE-L (Analog expressions)
Hi,The Analog Expression Language Reference manual states that certain constants are pre-defined for use, e.g. boltzmann, charge, pi, sqrt2.However, attempting to create components that make use of...
View Articleviewing DC operating point parameters
Hello,After running a DC simulation and want to view DC operating point, I go to ADE XL result pane and do print > DC Operating point > and click on the transistors I am interested in.But The...
View ArticleStimulus File Issues
I'm working on the design for an image sensor and I'm trying to simulate a 64x64 array of pixels to make sure everything is working as it should because my design may potentially have some scalability...
View ArticleSchematic plot of little large circuit
Hello,I am trying to print my circuit schematic view, the circuit is not that big, its like fully differential amplifier with biasing circuit.Ā I tried to print the schematic by using three methods but...
View ArticleHow to open old version state in the current version IC61.
Hi,Ā What I have right now is a state Tran using the spectreVerilog simulator, which is not supported by the current version of Virtuoso (IC61) .How can I open this state? or How to convert the state...
View ArticleQuestions about Multithreading in Ocean/Spectre
Hi,I'm used to run Ocean scripts in Linux Command Line. and I am trying to use multithreading in Spectre/Ocean these days.IĀ foundĀ the code followingĀ in a history topic and add it in my Ocean script,...
View ArticleModGen Abut Command Error
Hello,I am trying to layout an differential input pair using the Modgen editor.My grid pattern for the transistors for a common centroid configuration is:B A A BA B B AHowever, when I try to abut the...
View ArticleWaveform file is empty?
For generating waveform, I did following steps:a. Place an instance of "vsource" from "analogLib" in your schematicb. Set the "source type" to "pwl"c. Specify the path for csv or txt file in the...
View ArticleERROR(ORPSIM-16366): Line too long. Limit is 245 characters
Hi,I try to use EPC PSpice (.net) model (https://epc-co.com/epc/documents/spice-files/PSPICE/EPC2035_V2_PSPICE.net) to my simple circuit. After saving the .net file to .txt then .lib, getting .olb file...
View ArticleERROR(ORPSIM-16366): Line too long. Limit is 245 characters
Hi,I try to use EPC PSpice (.net) model (epc-co.com/.../EPC2035_V2_PSPICE.net) to my simple circuit. After saving the .net file to .txt then .lib, getting .olb file from model editor, adding the .lib...
View ArticleLSSP Simulation for Floated RF Port is Reliable?
Hi,Hope you are doing well and stay fine. I am working on designing cross-coupled or differential RF Rectifiers using Cadence. Rectifiers are highly non-linear devices that cannot be charecterized by...
View ArticleUsing final conditions as initial conditions with (non) periodic voltage sources
I want to use a final conditions file from one simulation/test as a initial condition/node set for another simulation/testMy test bench has some periodic signals (square waves) and some non-periodic...
View ArticleError: the instance is referencing an undefined model or subcircuit.
There is error during running netlist assembly.Error (SFE-23): "path/input.scs": the instance 'xx' is referencing an undefined modelĀ or subcircuit. Either include the file containing the definition of...
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