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Schematic porting from one technology to other
HI,I need to port schematic from 180nm to 130nm technology by retaining the device properties (but 180nm devices has to replaced with equivalent devices from 130nm technology). As of now I have copied...
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Enhancing the status toolbar.
I'd like to add functionality to the status toolbar on Virtuoso Layout-XL, for instance to indicate whether gravity is turned on or turned off (like the P/F indicator for Partial or Full select). Is...
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design variable & screen scrolling issues
Hi,I use OCEAN for post-processing, and recently it cannot see the design variable, even though it's there when you view the netlist.I've also opened the result browser, and I cannot find it under...
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How to change the mode of "Significant Digits" in VertMarker from "Auto" to...
I tried to put the following line into .cdsenvviva.vertMarker significantDigits string "3"Found the digits was changed from 4 to 3 in VertMarker property pop-up window. But the mode is still "auto" and...
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Making inductor with Cadence layout editor
How can I make an inductor in cadence layout and simulate it ??? Do you have any guides ?1) I know how to make inductor but I dont know how to simulate.2) I am not talking about inductors in library. I...
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SKILL: Print voltage to a text file in ADE XL over corners
Hello,I have a simple SKILL script that I load and run in the CIW window after an ADE-L simulation finishes to output a sampled waveform to a text file for Matlab post processing. A simplified example...
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How can I get the comprehensible parameters from model parameters?
hello: I have acquired the physical parameters of MOSFET from TSMC PDK model XXX.scs file. it appears like this: model nch bsim4 { 1: type=n + lmin=9.999997e-006-(dxln+dlmisn)...
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design kit old links and VPCD software
Hi: Ican log into the online support system. But Icouldn'tfind the "four kit" which I need:AMSKIT 6.1 ,RFKIT 8.1, RF DSGN 3.0, SOCKIT 7.1, LPKIT 8.2. I found that this link :...
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auto sim with multiple dspf files for the same block
Hi,Is there a way to automate sims that replace same block with multiple dspf files?thanks,Kevin
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Create an additional layer for layout
I want to create and additional layer for layout and define its design rules for a specific process technology that I will be working with. For example, I want to create a layer between M1 and M2.Can...
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Cadence virtuoso tool related
I am using Cadence virtuoso 6.1.5. I am required to measure the SNR at the input and output of some Analog Circuits simulated at Nyquist rate, using Spectral Analysis. When measured for an ideal...
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Synchronous copy of group with MPP results in flattened MPP?
I have a strange problem when I copy a mpp within a group. After the copy I end up with the original MPP but also a flattened version with only the subparts.I perform following steps:Create 2 new mpp...
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QRC dbCreateNet/dbCreateTerm warnings?
When trying to do a selected nets RC extraction using Quantus QRC, PVS for the input, and extracted view for the output, I get some complains in the spice2db output:*WARNING* (DB-270000): dbCreateNet:...
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Virtuoso Schematic - Enviroment - "move/copy" Snap mode
Hi, I am using Virtuoso v12 and trying to figure out the environment that controls the "Snap Mode" when copy/move a symbol.Where can I find the list of enviroments that I can set in a local cdsenv and...
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Highlighting a group of nets which match a particular regular expression
Hi,Is it possible to highlight a group nets in Virtuoso schematic editor which matches a particular pattern? Lets say the group of nets has "monitor" in them, is there an option where I can enter...
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Basics of PDK
I'm a newbie here. Could someone explain to me the difference between a PDK and a flow?
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Programmatically set y-axis in VIVA in Log Scale
Hi there,I want to plot the input referred noise of an instance.I enter in the Calculator / ADE OutputsgetData("in" ?result "noise")By default, y-axis, that is expressed in V/rt(Hz), is in linear...
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Insert a tangent line into a plot
Hi everyone,I want to know if it is possible to insert a tangent line into a plot, tangent to it, with a certain slope and at certain (x,y).Regards.
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BSIM4 Model parameters significance
Hello,I am trying to understand the significance of varies parameters which I see when I choose to print DC operating points for a given mosfet in my design after simulating in cadence virtuoso.I can...
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"Report Parasitics" cannot be Clicked
Hello,I am using the version IC6.1.6-64b.500.11 and I have a problem regarding reporting the parasitics.I run Calibre QRC and create av_extracted view. The on the schematic of the corresponding cell, I...
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