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国外文凭学历认证Q/微信29304199办澳洲#VU毕业证成绩单公证维多利亚大学毕业证成绩单学生卡offer,雅思托福成绩单VU文凭,WSE认证留信网认证,〔诚招代理〕Victoria...
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国外文凭学历认证Q/微信29304199办澳洲#阿大毕业证成绩单公证阿德莱德大学毕业证成绩单学生卡offer,雅思托福成绩单Adelaide文凭,WSE认证留信网认证,〔诚招代理〕University of...
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国外文凭学历认证Q/微信29304199办澳洲#DU毕业证成绩单公证迪肯大学毕业证成绩单学生卡offer,雅思托福成绩单DU文凭,WSE认证留信网认证,〔诚招代理〕Deakin...
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Problem Simulating Noise Figure of Gm Cell (single Ended)
Hi,I was trying to simulate the NF of simple Inverter (Which I will use as a gm-cell at the output of my switch-cap passive mixer). Unfortunately I am getting NF=46.48 dB for my circuit.I have attached...
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Problem of Nport PSS shooting simulation
Hello,I have some problem when doing the PSS/PAC/PSP simulation with Nport from the analoglib.I'm using Spectre Version 19.1.0.373.isr7 64bit and Virtuoso IC6.1.8-64b.I wrote a S4P touchstone file to...
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conversion of a schematic to a touchstone file
Hello , I am a beginner using AWR Cadence and I would like to ask you if it is possible to convert a 2-port schematic into an S2P file using AWR Cadence..Thank you i advance for your help .Ameny
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ISF Function from PPV & plotting various PPVs
Hi I am new to Cadence environment. And trying to plot ISF in Cadence. Firstly, is there any paper that describes the relationship between them? Because the ones I found are mathematically rigorous and...
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Generating a pulse signal with specific duty cycle using AWR Cadence
Hello everyone,Is it possible to generate a pulse signal with a specific duty cycle and with fixing th number of the pulses using AWR Cadence ? I searched in the previous questins in the Forum and...
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Question about DC convergence error in sweep simulation.
Hello, thank you in advance for your assistance.I was making simple op-amp, but I used verilog-a based mosfet model (MIT-VS model).To see DC operating point, I did DC simulation, and it seemed like the...
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bbspice process failed
I searched this and the RF forum, but couldn't find a discussion on this issue before. I am simulating a VCO test-bench with inductors extracted using EMX. I have the s-parameter file path entered as a...
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PSS & PNOISE simulation for VCO and PLL
Hi,I am designing an injection-locked VCO, which requires a PLL to work properly. so I want to put my VCO in an Ideal PLL. I use PLLMMlib and PLL macro model wizard available in virtuoso, according to...
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sampled pnoise on multi-phase switched cap circuit
Hi,I have one question about the sampled pnoise simulation:If I have a switched capacitor sample and hold circuit to sample the noise of resistor R, and now I add another switch sampler just paralleled...
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Error when editing RFTlinelib stackup cell with custom materials
Whenever I add any custom material and attempt to re-edit the model the following error comes up.schCDFCallback('select)CDF: An error occurred when evaluating callback. Callback: select->callback...
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[EMX] Parametric sweep pcell
Hey,Is there a way in EMX to do a parametric sweep of a pcell. Let's say I have an inductor, and I want to sweep the diameter. This diameter I'll give the name 'D' in the layout pcell parameter. In the...
View ArticleSP simulation phase wrap
Hi,I'm tring to do a SP analysis based on my measured touchstone file to see the phase difference between S31 and S21, which is supposed to be around 180 degree.However, the result is like -179 degree...
View ArticleWaveform calculator - Integration operation wrt to an independent variable
Hello,I have a question about the use of calculator functions. I believe his is a rather tricky one.I run a power sweep in a single tone HB simulation for an amplifier, say with a input power sweep...
View ArticleS-probe analysis in Cadence
Hi, I'm trying to check a circuit for stability issues and was wondering if Cadence has any native tools similar to ADS's S-probe analysis so that I can check stability circles/K-factor at certain...
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Doing a swept simulation and for each simulated point save the snp
Hello everybody,in a "sp" simulation there is the possibility to save the corresponding s2p in a file. If one enters a VAR (variable), he can also parametrize the corresponding file name.On my...
View ArticleSpectre/RF Matlab Toolbox
Hello,Is a working version of spectre required to use the spectre matlab toolbox?Currently I'm running in fedora 35 and need to parse spectre output with matlab. I do have spectre installed but it...
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Can you simulate an EM layout extraction with lumped elements in the middle...
Hello,We have a layout with layout cells for inductors and capacitors to impedance match a Qorvo LNA (they provde an S2P).Each capacitor/inductor S2P file from muRata straddles each layout cell so we...
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