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Page 1 of 3 (30 items) 1 | 2 | 3 | Next >

SpectreRF at 2013 IEEE/MTT-S International Microwave Symposium in Seattle, Washington
If you are attending the International Microwave Symposium (IMS 2013) in Seattle (June 2-7, 2013) stop by the Cadence Design Systems booth, #427. We will be showing new MMSIM12.1.1 features including “Smart” HB GUI,Robust and easy to use nport (for s-parameter input), and theTransmission Line library workshop.Looking forward to seeing ...

Posted to RF Design (Weblog) by Tawna Wilsey on Thu, May 23 2013
Simulating Crystal Oscillators is Much Easier in MMSIM12.1 - Part 2
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 Analyses form, you now can focus on getting your simulation results, rather than the ...

Posted to RF Design (Weblog) by Tawna Wilsey on Thu, Dec 20 2012
Simulating Crystal Oscillators is Much Easier in MMSIM12.1 - Part 1
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 Analyses form you can now focus on the simulation results, rather than the setup of the ...

Posted to RF Design (Weblog) by Tawna Wilsey on Wed, Dec 19 2012
MMSIM 12.1 SpectreRF -- Preview of Coming nport Attractions! Part 2
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 Object Properties/Add Instance form has been revised for better ...

Posted to RF Design (Weblog) by Tawna Wilsey on Mon, Nov 19 2012
MMSIM12.1 SpectreRF Preview of Coming Attractions! - Part 1
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 really like it! Harmonic Balance ImprovementsHarmonic balance ...

Posted to RF Design (Weblog) by Tawna Wilsey on Mon, Nov 12 2012
Modeling Oscillators with Arbitrary Phase Noise Profiles
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. 2) rfLib/osc model is less accurate but it’s well-suited for "what-if" design ...

Posted to RF Design (Weblog) by Tawna Wilsey on Thu, May 24 2012
Measuring 2-Tone Intermodulation Using Envelope-Following Analysis
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 user is typically stuck. The solution below and attached database describe a technique that ...

Posted to RF Design (Weblog) by Tawna Wilsey on Wed, May 16 2012
Guidelines for Maximizing Speed vs. Accuracy in SpectreRF simulations - Part 3
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 HarmonicsHarmonic Trimming The first and second posts in this series can be ...

Posted to RF Design (Weblog) by Tawna Wilsey on Wed, Mar 7 2012
SpectreRF AppNotes and Tutorials....Still One of our Best Kept Secrets!
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 still seems to be one of our best kept secrets! So, I am disclosing (once ...

Posted to RF Design (Weblog) by Tawna Wilsey on Mon, Jan 16 2012
Nport Application Note has been Updated and Re-Released
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 tuned! If you have any comments or questions, please feel free to contact me ...

Posted to RF Design (Weblog) by Tawna Wilsey on Tue, Jan 3 2012

Page 1 of 3 (30 items) 1 | 2 | 3 | Next >

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