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Hysteresis phenomenon in frequency tripler
the figure1 is a double band frequency tripler. The so called "double band" means it has two frequency tuning ranges which can triple the frequency. And we can make this by tuning the DC voltage...
View ArticleLayout XL: How can I create different pins for an electrically connected layout?
Hello,I have created a custom resistor in Layout XL. I am trying to add different pins for the input and the output of this resistor, but when I add a pin to the resistor, the pin information...
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Using the transient simulation 'it' command will result in additional outputs
After using the transient simulation "it" command to select the current of a certain device, I renamed the name to what I wanted, but after clicking run, the original value of the simulated node...
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Converting VCD digital signal to Analog signal - Analog "X" voltage field...
I am trying to convert a digital VCD signal into an analog signal. I then go to Menu -> Measurements -> Digital To Analog -> and select "0" as X value. (shown in image)However, the tool...
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Check for extraction and post layout simulation
Hi,I am a beginner in doing extraction and post layout simulation. I saw many ways on the internet for doing these tasks. I am still confused whether I am doing the correct thing or not. I will be very...
View ArticleQuantus terminated normally yet produced errors.
I'm using EXT19.13 following successful LVS.I get this error at the end of QRC log:#==========================================================## Flatten net file, routing, via and device...
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ADE Assembler: automatic ADC gain error extraction
Hi all,I am simulating a Nyquist ADC by giving a slow varying input ramp, collecting the sampled output code (and reconstructed by a verilogA model) and then plotting it versus the input signal...
View ArticleNot able to open a layout view (Virtuoso has a blocking dialog displayed)
Hi,When I try to open a layout, it doesn't open rather prints this in CIW.*WARNING* ddsServOpen: Cannot complete open request from library manager because Virtuoso has a blocking dialog displayed.I...
View Articlesch.oa file changing owner/group after edit
Hi all,I am having a strange issue with Cadence Virtuoso (IC 6.1.8) .ao files changing ownership/group after being edited by another user. This happens only on a specific library.Let's say that i have...
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Creating .csv files for import into Assembler Outputs Setup
I have currently written a script using VBA to generate a .CSV file to import into Maestro. My intention is to generate expressions for s-parameters and Gmax, Gp outside of Cadence (in an Excel File,...
View ArticleViva delta marker
Hi,For Viva delta markers the slope can displayed in the marker label using format [dx:%W] [dy:%H] [s:%S]. Instead of the slope I'd like to display 1/slope. On a long shot I tried [s:%1/S] and...
View ArticleASSURA Not Working
Greetings All,I hope your day is going well.First I want to thank you for giving me some of your time to read my problem and help me with it.This starts with Assura 41, I installed Assura 41 which is...
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Why framed mode simlinkCoupler reports error in AMS-MATLAB co-simulation
It works well if I use unframed mode. When I use framed mode, SimCoupler reports error:Error in block 'untitled/SimulinkCoupler': ERROR (SIMLNK-48): An unframed signal cannot be connected to the input...
View ArticleMeastro - output setup doesn't refresh expressions
Somehow my Maestro Output Setup fails to show edited expressions on the fly. It shows old entries unless I descend into any test by clicking arrow and come back. In this way it refreshes output...
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How to execute runSimulation script not in other paths
Deer All, I have generated AMS netlist using ADE, there is a ksh script "runSimulation" in "/simPath/designName/ams/config/netlist"First cd /simPath/designName/ams/config/netlist, then ./runSimulation,...
View ArticleOptimization of circuit structure
Is it possible to let the optimizer in ADE Assembler change the circuit structure? I recently had a few cases that I could have used that:Ideal bias current for a current mirror in a current-starved...
View ArticleNetlist without using meastro / ade
Hi,I want to create a netlist of an analog config view. is there a way to do it without going thru Maestro/ade, like from ciw/skill/shell?Reason: I just need to know that the design is netlistble and...
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Changing Default Symbol Pin Type
Hi,When creating a new pin for a symbol (Symbol: Create -> Pin...), there's an option to select different pin types:I find the type "block" particularly useful, as it shows the direction of the...
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Simulation progress status gone in ADE Explorer (IC6.1.8-64b.500.25)
There used to be a "status progress" that says (for example: 50/100 sims) that are running that normally appears on the lower left corner of the Explorer window.But for some reason this has gone. So...
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