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Printing pnoise summary from an ocean script
Hi,I want to print a noise summary after running noise analysis where I want to sort the top 50 noise contributors but sort them by their composite noise. I only see the following options in the...
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Input referred noise current through pnoise
Hi!I set a pnoise analysis to measure the input referred noise current of a lock-in amplifier. I used the pnoise analysis because one of the blocks that constitutes the lock-in is a Gilbert-cell...
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Explanation for ocean expression for phase noise
Hi ,What does 5 in the phase noise expression means ?Phase\ Noise\;\ dBc\/Hz = phaseNoise(5 "pss_fd" ?result "pnoise")Does it mean 5th harmonic relative to pss fundamental frequency ? What does pss_fd...
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LC parallel circuit at resonant frequency
Dear All,I am trying to simulate a simple LC parallel circuit when it is drived by a voltage source.I'm expecting the current of the voltage source V1 to get smaller as its frequency gets closer to the...
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understanding of frequency folding in Cadence pnoise set-up
Hello, thereI went through previous discussions and try to confirm my understanding regarding pnoise simulation set-up is correct.Let’s take an example: VCO output freq = 1G HzSweep Start= 200;...
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Manual for Spectre models
Hi,I want to map MOS Spectre models to BSIM4 models. Is there a document/userguide for understanding Spectre models?
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problem with nodeset and ic Ringoscillator design
Hello, I am simulating ring oscillator to match current and frequency values from simulation run by some other ppl. Those guys used SPF spice file and I have extracted DSPF file. After running...
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Problems using RFTline Lib
Does anyone have experience using the RFTline Lib in Cadence IC616? Â I am trying to develop a multi-conductor transmission line model to implement in a high speed I/O design. Â In the development of my...
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RLC series model in MEMS gyroscope
Hi all! I am now designing an oscillator for MEMS gyroscopes. The MEMS has an equivalent RLC series model; so i put it in a positive loop and make it oscillate. But my problem is: the equivalent...
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Load-Pull Contours issue
Following this tutorial to measure Load-Pull Contours https://lost-contact.mit.edu/afs/wam.umd.edu/department/enee/software/mp-cadence/MMSIM60/doc/spectreRF/chap11.html#1020288, I got the same result...
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How to add Full Spectrum Pnoise analysis in IC5141
Dear All,I am using IC5141 and MMSIM-14.But in GUI I am not getting the "Full Spectrum Pnoise analysis" option.Is there any way of enabling this above option ?Kind Regards,
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How to make a block Noise-less while doing Noise analysis in Spectre
Dear All,I am doing Pnoise analysis of my Receiver.I want to make some block NOT add any Noise. How this can be achieved ?Kind Regards,
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How to see the Devices/Instances contributing to the circuit Noise Figure in...
Dear All,I am using IC5141 & MMSIM14 and I am doing Pnoise simulation for my Circuit.Can anybody please tell how to see the Devices/Instances LIST contributing to the circuit Noise Figure in...
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Verilog A module PSS analysis taking too much time
HiI have a verilogA module of an ideal VCO, and I want to run a PSS and PNOISE analysis to see its phase noise, but the simulation time goes to several MEGA seconds. Does anyone know why and how to...
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Noise summary of Pnoise is NOT showing any device in the Print LIST
Dear All,I did a PNOISE simulation of a comparatively big circuit.But when I tried to print the noise summary ( Results->Print->Noise Summary), it is not showing any components in the screen. ( I...
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Injection coupled Quadrature VCO - measuring the relative phase between the...
Hi All,I am trying to simulate a 3.6GHz injection coupled quadrature VCO. I would like to measure the relative phase between the two quadrature outputs. It can be noticed from literature that based on...
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To see the Noise of certain Instances in the Noise Summary during PSS/PNOISE...
Dear All,I want to see only the noise contribution of certain instances in NOISE SUMMARY PRINT list.The Result->Noise summary Setting snapshot is attached in the post.But if you see it showing a...
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Blocker Noise Figure / Reciprocal Mixing Noise test using SpectreRF (MMSIM14)
Dear All,I want to see/simulate how a close in blocker affects my receiver noise in the presence of LO-phase noise.I provide a square LO to my receiver Mixer and a Blocker at the receiver input.May be...
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Impedance Control Tracing
I am Currently designing a 4 layer RF PCB for which I require impedance control trace for antenna connections. the two inner layers are gnd and power layers. I have knowledge that trace impedance...
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Parametric Analysis over EM Simulated S-parameter Data
HiI have employed HFSS to Em simulate some designed transmission lines with different lengths. Now I use them in Cadence-Virtuoso in NPORT and it works easily. I have named the data files such as...
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