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RF Design,PSS

  • Transient results as starting point in PSS

    Hello, Could we use the transient analysis results as a stabilization point (tstab) for PSS analysis? If so, how could we acheive it? Is there any documentation on this? Any inputs will be helpful. Prakash.
    Posted to RF Design (Forum) by pthoppay on Mon, Mar 10 2014
  • Unable to run PSS Analysis

    Sir, I have used BSIM-CMG107.0.0 Mosfet Compact model for my thesis work. But when I go for pss analysis, an error is shown saying that the behavioural file that you have given is not supported for pss analysis. The model is actually a verilog-A file. It would be grateful if you give me any solution...
    Posted to RF Design (Forum) by aravindkvarier on Tue, Feb 11 2014
  • spectreRF pss analysis : formula for PAE

    Hi, When using the direct plot option to trace out the PAE (= Pout - Pin / Pdc) after a pss analysis, if the PAE is added to the outputs the formula which gets added to Output window reads as follows : ((100.0 * harmonic ((spectralPower(i("/PORT1/PLUS" ?result "pss_fd") v("/P_out"...
    Posted to RF Design (Forum) by smarjeet on Thu, Nov 7 2013
  • PSS Analysis's reliability-Difference between time domain response in PSS and Tran analysis

    I'm designing a wide band matching network to drive an antenna.The output pulse at the output of pulse generator is delivered to one N1PORT as the antenna model thet refered to a S1P file with value from 1GHz to 8GHz. I want to use this interface between antenna(S1P port with n1port component) and...
    Posted to RF Design (Forum) by Imank on Thu, Apr 12 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...
    Posted to RF Design (Weblog) by Tawna on Mon, Jan 16 2012
  • PA design problem

    Signal V(I10,C17.cs.hn1)=1.02711GV exceeds the blowup limit for the quantity 'V' which is (1 GV). it is likely that the circuit is unstable. what is meaning?how to solve this error? thanks for help.
    Posted to RF Design (Forum) by skchen on Sun, Oct 9 2011
  • Guidelines for Setting Pnoise/HBnoise Sidebands to Get Accurate Results

    I get quite a few questions from designers along the lines of "How do I set the number of pss/hb harmonics and pnoise/hbnoise sidebands in order to get accurate results?" Here are some general guidelines that I follow: The number of sidebands ( harmonics ) in the simulation can affect performance...
    Posted to RF Design (Weblog) by Tawna on Fri, Aug 5 2011
  • New Time-Saving Feature in IC6.1.4 ISR2: Plot S-Parameter Data Directly From ViVA!

    If you haven't heard about it....there is a new feature in IC6.1.4 ISR2 which makes troubleshooting circuits containing nports ( s-parameters ) much easier and faster! Starting i n IC6.1.4 ISR2, you can now plot s-parameters directly in ViVA (without having to create a test bench and run a Spectre...
    Posted to RF Design (Weblog) by Tawna on Thu, May 20 2010
  • Analyzing Distortion With Spectre RF

    Greetings, In the previous appends, we looked at using Shooting Newton Periodic Steady-State analysis to analyze analog circuits. In this append, we will look at using Harmonic Balance Periodic Steady-State, HBPSS, to analyze analog circuits. HBPSS is widely used for RF and microwave circuit design....
    Posted to RF Design (Weblog) by Art3 on Fri, Dec 18 2009
  • Periodic Steady-State Analysis for DC-to-DC Converters

    In " Spectre RF by any other name ...", a non-RF application for Spectre RF's periodic steady-state analysis was introduced. An example of using periodic steady-state analysis [PSS] to simulate the dynamic performance: THD and SFDR, of a switched-current Digital-to-Analog Converter [DAC...
    Posted to RF Design (Weblog) by Art3 on Tue, Jun 30 2009
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