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How to extract a specific fft bin with the calculator?
I have set up an ADE XL sweep over input frequency for my circuit, and I would like to comput the magnitude of the signal at the output at that specific frequency. The reason is that I want to find...
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Terminal "VDD" in view symbol not found
Hi All,I was having a floating VDD pin in the schematic which i delete after which I am getting the below warning. Any clues on how to resolve this ? Enable is schematic view and I am using...
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Force simulation to overwrite previous .fc files
HiI have a testbench in which i want to recycle the .fc file of one simulation to be a node set for the next simulation.I have a set up cross corner so that the file is always written to a...
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Start a Sim at Specified Time Point in AMS flow
In Spectre, we have a feature that: In a sim, I can specify a sim time point to save all the signals value, and next time I can restart the sim at that exact time point if the design is still the...
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BPSK modulation/demodulation and EVM
Hello,I've been trying to figure out if there is a way to demodulate a BPSK modulated carrier and get plots like EVM from transient simulations. Best info/pointer I could find was to use a predefined...
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How can I change the thickness, color of components?
How can I change the thickness, color of components from libraries like analogLib? I tried to follow this guideline by changing device_drawing1 from Display Resource Manager but it doesn't work.My...
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Get the frequency for design variable sweep in AC/XF/SP analysis
Hello everybody,I am looking for a way to access the simulation frequency for AC/XF/SP analysis when not the frequency, but a variable was swept for a given frequency. Something similar to VAR("temp")....
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Ocean script for post processing on run with sweeps/corners has to wait until...
HiI have an ocean script to do post processing on my resultsRight now, if my run has corners and sweeps, I have to wait for all of them to be done, and then I have to press refresh, which can take up...
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Maestro: Start another simulation while one is already running
Hi,I have started a long transient simulation running with 10 jobs. While this simulation is running, I want to start another quick DC simulation out of the same Maestro-test.I tried to increase the...
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Reporting simulation time for suspended simulations
Hi All,I am running Spectre .tran simulations from command line. Sometimes I need to kill the simulations from the Linux terminal. I have noticed that the Spectre log file doesn't update the time when...
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[Solved] MTS temperature discrenpancy
Hi,I am trying to use MTS just to compare two voltage values at two different temperatures (same models) in a single testbench.Here I am simulating a bandgap core voltage vs. temp, so I set one cell to...
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How to simulate the same circuit, but with different input combination
Hello everyone,i am a new cadence virtuoso user and i am not good at using it. With this post, i would like to ask you some help and tips to improve my usage of cadence.I am currently working on the...
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Cannot abut devices in Layout XL, tsAbutFunction failed.
Hello,I am trying to abut devices in Layout XL. In the past, I have been able to either use the Chain Devices dialog available in the connectivity drop-down menu or by simply placing devices that share...
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Allegro Pcb
rhythm alludes to how regularly the pedals turn each second. You can count your own musicality a comparative way you would count your pulse. All you need is a stopwatch. Count the events that one leg...
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(Bogus) Cadence error OSSGLD-19
I am doing something I've done for a long time in IC5, withno issue. IC6 however paints a whole bunch of this error textERROR (OSSGLD-19): A circular reference of property name was found in name...
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spectre bsource for current stimuli
Hi,I am a new spectre user. I need to implement a current stimuli which starts at a time tstart >0, has a linear rise till a certain time trise until the current reaches a peak Ipeak and then has an...
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Fine move text for pin names in symbol
I would like to ask about moving text for pin names in my symbol. As you can see in the figure, there are two OPAMP symbols. One is mine and the other is from other person and I copied them to the same...
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How to use a current controlled voltage source (ccvs)?
Hi, I am using isource (as a double exponential current injection), I want to integrate its waveform to extract the charge (q) value. However, the calculator does not integrate this curve. Hence,...
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How to use the calculator in cadence to move an offset in transient analysis
I am working on a filter, making simulations in Virtuoso . My transient response is a sine signal and it has an offset about -32mV . I would like to move that offset to 0V by calcultorThis is my response
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Port order mismatch from spectre simulation
I have a case where adding the extracted netlist causes spectre to return port order mismatch. I have compared the port order in both netlists (extracted and pre-layout) and they match perfectly. I...
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