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memory error
Recently my design goes into the last stage. The simulation was very slow (lasting several days). Moreover, my simulation software crashed several times. I got the error messages below. (1). Unable to...
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How to avoid Hidden State in VerilogA model for SpectreRF
Dear All,I am a beginner in verilogA .I wrote a code but when I ran PSS it showed hidden state in the code and didn't run.My behavioural model is as below:- // VerilogA for VERILOG_A_MODEL,...
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PSS beat frequency in IC5141
Dear All,I did a oscillator simulation. From transient analysis I got the frequency of oscillator 1.005GHz.In PSS I set oscillator beat frequency 1Ghz. However after a successful run of PSS, I wanted...
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Corner and varible sweep simulation in spectre
Hi ,I am trying to do a multivariable sweep and corner simulation in spectre . In ocean , it is easy , I can do following b0_list = list(0.0 1.2)b1_list = list(0.0 1.2)b2_list = list(0.0...
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Modelling White noise using VerilogA
Dear All,I want to add a cyclostaionary noise current ( 4*k*T*Gm(t) ) to a non-linear ( hard-limiter ) Gm block Gm(t) = derivative( I(out)/V(in)).But the moment I am doing Gm_t = ddx(I(out),V(in));...
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Insufficient memory available is qpss
Dear Team, I am getting Fatal error as" Fatal error found by spectre during Quasi-Periodic Steady State Analysis `qpss'. Insufficient memory available."While I am doing schematic simulation,...
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Clarification regarding AM & PM component simulation in PNOISE (particularly...
Dear All,I simulated a simple LC oscillator noise ( PSS+PNOISE) at the oscillator output ( IC5141, .sub-version 12.1.0.402.isr5).I have also saw the topic "Explain the differences between the 4...
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difference between pnoise and pnoise_src options
Hi, In spectreRF, I'm finding little of no info on what the difference between these two options are: Results->Print->Noise Summary... form? I just did a google search and a Cadence search and...
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about ac analysis of a simple CS amplifier with resistive feedback
Respected sir,I am new to cadence so forgive me if I ask a foolish question but I want clear my error in ploting the waveform for ac analysis. I followed specteRF tutorial for analysis, in that it...
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Symbol view vs. spectre view
Hi, I'm a little bit confused. I want to simulate some schematics using Spectre. The Cells i used have different Views. Until now i always used the symbol-view. But now i wondering: What are the other...
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(IC6.1.5.500.12) ADE L messing up sim results(result access). Anyone familiar...
Dear All, I've done extensive searching on forum for this, in vain. However, I am sure that someone else came across this, and maybe my search keywords weren't appropriate. If you know of thread...
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Printing/Saving to file Statistical Parameters from a MC
Hi all,trying to visualize statistical parameters from a large netlist, I got an error because the number of lines of output would be greater than 1900, so the window got truncated.However, I also got...
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[Help] How to calculate the Cds?
Hi guys, In the OP printing list of a MOS transistor with a BSIM3v3 model, there are a lot of capacitances, such as cdd, cdg, cds, cdb. In order to calculate the total capacitance between drain and...
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PSS+(sampled)PAC and PSS+(sampled)PXF
Hello,I am trying to find the effect of supply noise on the jitter of a delay line (a set of buffers in series). When I went through various documents and I found the following options1. PSS + PAC with...
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about stability (kf,b1f) simulation for mixer
Dear All,I would like to know whether we can use the sp or (psp or hbsp) to simulate the stability (kf, b1f) performance for a circuit like mixer (or Tx or Rx).K factor (kf) and b1f are used to check...
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S-parameter datafile path in nport
Is it possible to define a relative path in the S-parameter field of an nport component? If the library is transferred to a different path, have all the nport data file fiels to be modified?
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Simulating Frequency Multiplier Phase Noise in PSS/QPSS/PNOISE/QPNOISE
I am trying to simulate a frequency multiplier. For the purposes of this discussion, use the case of a 100MHz source multiplied up to 500MHz. This is a 5X frequency multiplication. The multiplication...
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Launching SP analysis with GoldenGate from ADE
I did set up my GoldenGate environment, integrated it with Cadence and as a simulator instead of Spectre selected GoldenGate. I ran the simulation, I checked the output file, it all looked right, in...
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[Help]Issues regarding Extraction
Hi Friends,I'm facing some issues while doing Extraction including inductances,likeERROR: Failed to find a cellview for (pinductor)ERROR: Failed to find a cellview for (pmind)ERROR: Failed to find a...
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