Simulating Crystal Oscillators is Much Easier in MMSIM12.1 - Part 2
By Tawna Wilsey
on December 20, 2012
Greetings, Simulating crystal oscillators got a lot easier in MMSIM12.1... We have made enhancements to both Harmonic Balance and transient analyses. In Part 1 , I discussed Improvements to the Harmonic Balance use model. With the new streamlined Choosing...
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Filed under: ADE, analog, Analog Simulation, analog/RF, analysis, APS, Circuit design, Circuit simulation, crystal oscillator, HB, MMSIM, MMSIM 12.1, Oscillator, RF, RF design, RF Simulation, simulation, Spectre, Spectre RF, spectreRF, VCO, Virtuoso Spectre, Virtuoso Spectre Simulator GXL, Virtuoso Spectre Simulator XL
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Simulating Crystal Oscillators is Much Easier in MMSIM12.1 - Part 1
By Tawna Wilsey
on December 19, 2012
Greetings! Simulating Crystal Oscillators got a lot easier in MMSIM12.1... We have made enhancments to both Harmonic Balance and Transient analyses. In Part 1, I’ll cover Improvements to the Harmonic Balance use model. With a streamlined Choosing...
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Filed under: 12.1, ADE-L, analog, Analog Simulation, analog/RF, Circuit design, crystal oscillator, Harmonic Balance, HB, MMSIM, MMSIM 12.1, Oscillator, RF, RF design, RF Simulation, RF spectre spectreRF, Spectre RF, spectreRF, VCO, Virtuoso Spectre Simulator XL
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MMSIM 12.1 SpectreRF -- Preview of Coming nport Attractions! Part 2
By Tawna Wilsey
on November 19, 2012
Greetings, MMSIM 12.1 contains many new features to aid RF designers. Many of these changes are described in my Part 1 blog post. I've saved my favorite for last....here's a preview of the changes to the nport component in MMSIM12.1. 1. The Edit...
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Filed under: ADE, ADE-L, analog, Analog Simulation, analog/RF, Circuit simulation, Harmonic Balance, HB, MMSIM, nport, nport settings, RF, RF Simulation, RF spectre spectreRF, simulation, Spectre, Spectre RF, spectre spectreRF, spectreRF, Virtuoso Spectre, Virtuoso Spectre Simulator GXL, Wilsey
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MMSIM12.1 SpectreRF Preview of Coming Attractions! - Part 1
By Tawna Wilsey
on November 12, 2012
Greetings! MMSIM 12.1 contains many new features to aid RF designers. Here's a preview of the changes... Documentation Improvements The SpectreRF User Guide is being completely rewritten and updated for MMSIM12.1. Check it out - I'm sure you'll...
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Filed under: ADE, ADE-L, analog, Analog Simulation, analog/RF, Circuit simulation, envelope, fast envelope, Harmonic Balance, HB, MMSIM, RF, RF design, RF Simulation, RF spectre spectreRF, shooting newton, Spectre, Spectre RF, spectre spectreRF, spectreRF, Virtuoso Spectre, Wilsey
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Measuring Bipolar Transistor ft with Fixed Base-Collector Voltage
By Arthur Schaldenbrand
on June 12, 2012
Recently I had a question from reader. He asked a good question: "How do you to measure a bipolar transistor's ft when the base-collector voltage, Vbc, is fixed?" Attached is a modified version of the testbench that allows a user to measure...
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Filed under: ADE, analog, bipolar transistor, fixed base-collector voltage, measuring bipolar transistor ft, parametric analysis, RF, RF design, RF Simulation, RFIC, Schaldenbrand, testbench, transistor ft, Vbc, Virtuoso, ViVA
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Modeling Oscillators with Arbitrary Phase Noise Profiles
By Tawna Wilsey
on May 24, 2012
When you need to include noisy oscillators in SpectreRF transceiver simulations, you have at least 3 options: 1) Semi-autonomous simulation is the most accurate approach, recommended whenever the transistor-level model of the oscillator is available....
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Filed under: ADE, analog, Analog Simulation, analog/RF, APS, Circuit simulation, Harmonic Balance, HB, HBnoise, MMSIM, noise profiles, Oscillator, phase noise, PNoise, RF, RF design, RF Simulation, RFIC, simulation, Spectre, Spectre RF, VCO, Virtuoso Spectre, Virtuoso Spectre Simulator GXL
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Measuring 2-Tone Intermodulation Using Envelope-Following Analysis
By Tawna Wilsey
on May 16, 2012
From time to time, SpectreRF users simulate very large, extracted-view circuits in 2+ tone QPSS. In many of those cases, memory requirements exceed the available resources. When that happens and small-signal approximations aren’t applicable, the...
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Filed under: ADE, analog, Analog Simulation, analog/RF, envelope, fast envelope, Harmonic Balance, HB, MMSIM, RF, RF Block Simulation, RF design, RF designer, RF Simulation, RF spectre spectreRF, RFIC, simulation, Spectre, Spectre RF, spectre spectreRF, spectreRF, SpectreRF tutorials, Virtuoso Spectre Simulator GXL, wireless integrated circuit verification
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Guidelines for Maximizing Speed vs. Accuracy in SpectreRF simulations - Part 3
By Tawna Wilsey
on March 7, 2012
Several months ago, I started a 3 part series on Guidelines for Maximizing Speed vs Accuracy for Harmonic Balance simulations. Today, I'll discuss part 3 of the 3 part series consisting of: Which Engine: Spectre or APS? Oversample vs Number of Harmonics...
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Filed under: Analog Simulation, analog/RF, Circuit simulation, Harmonic Balance, harmonic trimming, HB, mixer, MMSIM, QPSS Analysis, RF, RF design, RF Simulation, RF spectre spectreRF, RFIC, shooting newton, Spectre RF, spectre spectreRF, spectreRF
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SpectreRF AppNotes and Tutorials....Still One of our Best Kept Secrets!
By Tawna Wilsey
on January 16, 2012
Some of you may remember the blog written several years ago " Shhhhh...SpectreRF Tutorials and AppNotes - One of Our Best Kept Secrets ". Well, the more things change...the more things stay the same! The location of these tutorials and appNotes...
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Filed under: ADE, analog, analog/RF, APS, envelope, fast envelope, Harmonic Balance, HB, HBnoise, mixer, MMSIM, Oscillator, phase noise, PNoise, PSS, QPSS Analysis, RF, RF design, RF Measurement library, RF Simulation, RF spectre spectreRF, shooting newton, Spectre, Spectre AppNotes, Spectre RF, SpectreRF tutorials, VCO, Virtuoso, Virtuoso Spectre Simulator GXL, Virtuoso Spectre Simulator XL
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Nport Application Note has been Updated and Re-Released
By Tawna Wilsey
on January 3, 2012
Happy New Year! After many requests, I set aside some time and updated the Using the nport in Spectre and SpectreRF Simulations appNote for MMSIM 11.1. You may download the appNote on Cadence Online Support . More nport enhancements are planned, so stay...
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Filed under: analog, analog/RF, APS, Harmonic Balance, HB, MMSIM, nport, nport settings, RF, RF Block Simulation, RF design, RF Simulation, Spectre, Spectre RF, spectre spectreRF, spectreRF, Virtuoso Spectre, Virtuoso Spectre Simulator XL
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