How to read a text file in a VerilogA code
Hello every body!I will greatly appreciate your help. In order to test a serial DAC I need to input the DAC with serial bits ( any pattern like 01110001111), one bit at a clock cycle. So my text file...
View ArticleEnvironment path varibles the function keys are not working?
Hi... suddenly the three keys are not working in the allegro PCB editor env. So can anyone help me how to edit the files specified in the env path. Tell me briefly how to edit the env path editor and...
View ArticleASSURA to PVS
Hi all,Please can someone help me with assura to PVS conversion? So how can I convert drc, erc and lvs rule files from one tool to another?Thanks for your advice.
View ArticleDRC Error: Package to Room Spacing
Hi everybody,I am designing my PCB (OrCAD 16.6). When I place parts of a room I see below message:Class: DRC ERROR CLASS Subclass: PACKAGE_BOTTOM Origin xy: (1068.00 178.00) Constraint: Package to Room...
View ArticleOVAL OBLONG DRILL SLOT NC-ROUTE
Hi, I am trying to find a way for producing oblong drill holes. Even if I design an oblong pad and then create the artwork files, i cant read the nc-route file in CAM350 and oblong drills dont apeear...
View ArticleOrCAD Capture 16.3 hangs on load
My OrCAD Capture 16.3 just quit working. When I load the program, I first see the version and copyright splash screen in the center of my primary monitor. Less than one second later, The main window...
View ArticlePSS Analysis in Corner Simulation
Dear,I wanted to run PSS analysis during corner simulation of an oscillator. However, the beat frequency of the oscillator is a changing value subjected to corner variations. This means that I cannot...
View ArticleCreating Netlist
I have made a schematic and have add the Footprints to all components, and ran the Design Rules Check, with no errors. However when I want to "Create Netlist" I get the following error: Unable to...
View Article"Recent Designs" list
How do I re-set the FILE/Recent Designs listing? Mine is maxed out, and only shows the top line as a new design listing.Thanks.
View ArticlePlotting and Saving the node voltages/currents of hierarchically down instances
Dear All,I want to plot and save the node voltages/currents of hierarchically down instances in my scmematic.I am using selected nodes ( NOT ALL) in ADE to make things run faster.I tried :- In ADE--...
View ArticleLink pin labels over hierarchy
Hi, I want to know if it is possible to link labels of instances to the labels in the top module, so that if I change the position of a label in the individual blocks it should get reflected in...
View ArticleCreating a new model
Hi,I wanted to use a new model transistor in my design. I created a new model by using the parameters provided my MOSIS following the procedure in...
View Articlecreating a bom
is there a way to create a bom from a schematic page or a selection area of a schematic page?
View ArticleBug with dbLayerAndNot ?
I was wondering if there is a known bug with dbLayerAndNot. Indeed, if I write:Diff = dbLayerAndNot(CellView list("diffphot" "dataprep") ShapesB ShapesA NumVertices) then I do not get all the...
View ArticleCmd prompt on HDL
Hi,Is there any way to run command prompt on design entry hdl?or any script/skill to run a .cmd file?thank you
View ArticlePlot Ids against model parameters (Vth-threshold)
Hi, My aim is to have a plot of Vt(threshold) - Yaxis against the range of temperatures- Xaxis ( to see behaviour of vth for various temperatures) over constant different Vgs or VdsI know exactly how...
View Articlehow to save transient data with arbitrary step size?
I am facing this problem with cadence:I am running a transient noise simulation for a Super-Regenerative Receiver (SRR). Despite knowing the theory behind the SRR it requires to run a VCO centered at...
View ArticleX over pad in PCB editor
Hi Guys, I've only been using ORCAD for about 2 months now, so I'm sure this is a silly problem. I seem to have an issue with one of my nets - I am getting an"x" over all of the pads in the net and...
View ArticleModifying value of symbol pin property "Signal Type" in a tsg file.
I'm generating a symbol from VHDL code using the tsg generator. Is it possible to modify the value of the symbol pin property "Signal Type" on a pin by pin basis from within the tsg file? The...
View Articledefvar in SKILL++
From the SKILL Language Reference:defvar( s_varName [ g_value ] ) => g_value | nil (SKILL mode only) Defines a global variable and assigns it a value. Use the define syntax form to define global...
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