CCCS unusable in graphic schematic: Spectre Netlist Does Not Include gain...
Hi, I am using IC616, and my circuit contains a CCCS from analogLib. However, the spectre circuit netlist does not contain the gain parameter of the CCCS. Thus the output current of my CCCS always...
View ArticleHow to use spectre calculator to return x value of a given y? Thanks.
Hello, I have a question about how to get x value for a given point of y in a waveform. I think the calculator should have this function, but I checked xval function, it doesn't work for me... Let me...
View Articlecadence running slow in ubuntu
Dear Team,I am running cadence in Ubuntu 12.04 32bit. While initialising/invoking any cadence GUI, it is taking relatively too much time(>10-20 sec). When it is running .cxt extention, it is taking...
View ArticleFootprint creation
Finally translait\\ting from 15.7 to 16.6, Should the package boundary be sized to the size of the pads , size of the part or whichever is bigger?What property does the constraints manager use to...
View Article[Done] why thermal reliefs in muti-layers board don't display ?
hi everyone,I'm a beginner in PCB and I'm following this tutorial http://youtu.be/oGfvVkD_3lUAfter pouring copper planes, we verify connectivity between pins and planes using thermal relief. In theory,...
View ArticleOrCad 9.2
Hi there, I am getting this strange issue, which is about my OrCad 9.2 PCB Editor, unwanted VIAS and connectors occurs whenever I reopen the layout design after completing and closing my layout...
View ArticleComplex-constant multiplier in VerilogA
Dear All,I am doing a PSS+PNOISE simulation of a circuit in Spectre. I need to multiply the output voltage of certain terminals with Complex Constant ( exp(j*pi/4)=0.707+0.707i).This I don't want for...
View ArticleCreate a clickable report in SKILL
Hello,I wrote a piece of code that generates a logfile containing some error points referred to a Layout. Is there a way to create a log file (HTML???) where I can click on the points for generating an...
View ArticleDisplay Instance name in Layout
Hello Andrew, Is there a way to display Instance name along with cell name for layout instances in partial view?Regards,Kishan
View ArticleNet Class to Dummy net spacing
Hi All,I am looking for a way to set constraints between a Netclass I have to the dummy pins.I have some high voltage area that requires much bigger spacing than rest of the circuit that is causing me...
View ArticleHow to set ignore for some of blackbox pins in LEC?
I am comparing pre-layout netlist and post-layout netlist in LEC. Some of the blackbox pins are not connected in pre-layout netlist, which leads to non-equivalent points. I would like to ignore these....
View ArticleStrange VIA behavior
Good Day I am getting this strange issue, which is about my OrCad 9.2 PCB Editor, unwanted VIAS and connectors occurs whenever I reopen the layout design after completing and closing my layout design,...
View ArticleEncounter -> OA -> Virtuoso conversion problem
Hello.I load to OA library LEFcmos090 - PDK Library lefin -lef ../../../../common/SOC_DATA/lef/CORE90LPHVT.lef -lib techliboa3 -techRefs cmos090 lefin -lef...
View ArticlehiSetMenuItemCallback ...But I don't know the argements
Dear All, I wat to change a menuitem callback.In IC 6.1.6 ISR4 , Launch - > Plugins -> DFMDFM -> Litho Analysis , it will show _lpa_form_show() , I want to add some function inside...
View ArticleMeasuring Power Consumption in GDI based circuits
Hello,I am trying to measure total power consumption of my design based on GDI (Gate Diffusion Input) technique.I want to know that is the procedure for measuring power is same for GDI like,...
View ArticleLVS error for MOS parameters
Hello all, I got error message in LVS in parameters mismatch tool(Virtuoso XL), the message is : Err: Sch MOS missing params: l,w ; Lay MOS W/L/NF 5e-06 1.8e-07 12 I don't have any idea about...
View Article[SOLVED]: IC615 installation?
Previously the installation package was based on CDROMs and we normally point to CDROM1 in the InstallScape to start installation. But for the one I downloaded have not found any CDROM folder.The list...
View ArticleMultiplier parameter of a MOSFET
Hi there community.I have a doubt regarding the multiplier parameter on the MOSFET properties.In a book that I have they say that if we have a big transistor we can split him several gates (fingers)...
View ArticleOpAmp Simulation in Cadence Spectre
Hi, I have used OpAmp symbol from Solutions library (default library of cadence). As an initial step, I have simulated a basic circuit in Op Amp. But I am not getting the desired output. Moreover, I...
View ArticleSKILL commands on clearing CIW history
Hello cadence community, I've have a question - is there any way (via SKILL commands) to clean the history (and even better - clear the cache and oher CIW inner memory cells as if you would start from...
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