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How to index spectre vector parameters (even possible?)?
Is it possible to have a vector parameter as a top level design variable and then pick out elements from that inside of a subckt based on an index parameter? The following shows what tried and...
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Simulate Variable Capacitor
I am new to Cadence and I would like to sweep a Capacitor value in my design from 1fF to 10fF but I do not know how to do so. I am using ADE L, may you please give me some suggestions of how to go...
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Changing Monte Carlo Seed automatically
Hi,I wanted to know if there is a way to automatically set seed for Monte Carlo simulation to a random number in each run like cpu time, date, ... ? My version of Cadence is IC6.1.8.Thanks,
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How to Describe Branch Current with Bsource
Hi, I'm new spectre user.I found simulator reference with GOOGLE.It mentioned that we could use this syntax:name (node1 node2) bsource behav_param param_listsubckt as belowvsrc (P 1) DC=0r1 (1 N)...
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How to model bidir switch in RNM
I was wondering if there was a way of modelling bidir switch.Using code, I always have a problem of propagating signal.For instance:module bidir_sw( a, b, ctrl);inout a;inout b;inout ctrlwreal a;wreal...
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Schematics On White Background
I have a preference for working on a white background. I briefly tried changing the background to white using Default Editor Background Color. However this has some knock-on effects e.g. grey wires...
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Differential Pair Measurement
I would like to make a differential pair measurement, that is between one node of a floating capacitor to VSS. How do I go about doing this? Thank you.
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Will RHEL 8 work with IC6.1.8
Hello,I just read this post from a couple of months ago about the compatibility of IC 6.1.8 with RHEL...
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Cannot find any 32 bits or 64 bits executable version of "spectremdl".
HelloI am trying to use spectremdl to do simulation. When I type spectremdl in interminal I get "Cannot find any 32 bits or 64 bits executable version of "spectremdl"." when I type "which spectremdl" I...
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Use CDF parameter in ADE
Hi,I have a bunch of parametrized FinFET transistors and I would like to use some of their CDF parameters in my ADE session (as design variables, in expressions...).Is there a way to do this?
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Simulate variable number of symbol blocks
Hi,I would like to simulate x number of symbol blocks without having to copy and paste these symbol blocks. For example, the schematic I have below represents a single row of 2 pixels (each symbol...
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Ocean scripting
Hi,I have a script which generates netlist with values in suffix format (1m, 1u, 1n etc.). I want it to generate in engineering format (1e-3, 1e-6, 1e-9 etc.). Script is below :...
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export ADE output expressions to CSV
Is there a way to print the ADE output expressions to a CSV file, when some of the expressions fail to evaluate in ocean/skill, without using Assembler? e.g. if part of the expression is nil (e.g....
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1 dB compression point cannot be get when using montecarlo in ADE XL
Hello allI am now simulating a PA, and want to find how seriously the PA is influenced by process variations. I run pss to find it's 1 dB compression point in ADE L. And when I using montecarlo in ADE...
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use sweep and montecarlo at the same time
Hellow allI sweep pss to get PA's 1 dB compression point. And I am trying to put this sweep into montecarlo sweep (different from sweep) to see how the compression point is influenced by process...
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Unknown variable appear in ADE window when I run the simulation
Hi everybody,I am going to simulate a DCO with TSMC 65nm (However the problem I have does not seem to be related to the type of the circuit).When I run the simulation, some unkown variable appear in...
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Simvision: remove analog navigator buttons
Is there an option/preference to remove the signal navigation buttons that appear on the right side of analog traces in Simvision? I find that these controls clutter my view and would like to turn...
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Consistent path to results for corner simulation?
I would like to know whether the results of corner simulation can be made to appear in a consistent directory path.What I see is that corner simulation causes the results to go into numbered...
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How can I place vias with the size exact same cut width without metals around?
How can I place vias with the size exact same cut width without metals around?As the red part only in the image below?
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Schematic Toolbars
When opening a design in tab in maestro (IC6.1.8), the schematic opens without the create, edit, select, view toolbars. So typically the first thing I do is right click on the toolbar and turn these...
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