 i Have Been Using The Modelithics Clr And Nlt Libraries In The Last 6 Months For My Ph.d. Research, I Find These 2 Libraries Very Interesting And Have Very Good Models Compared To Models Provided By The Vendors Themselves. I Have Designed Class Ab Power Amplifiers At 900 Mhz And At 2.14 Ghz, Using The Modelithics Model Of Sirenza/rfmd Si Ldmos 4 Transistor (sld-1083cz), The Model Performance Was Very Good In Small-signal And Large-signal. Based On The Above Testing, I Have Designed A Doherty Power Amplifier(dpa) For The Gsm900 Band, Which Showed Very Good Results In Terms Of Efficiency At Backoff Power, The Results Of This Dpa Design Were Accepted For Publication At The German Microwave Conference In Munich.
see Khaled Bathich's Presentation |
| Khaled Bathich, Technische Universitaet Berlin (Berlin Institute of Technology) | |
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| the Clr Library's Advanced And Highly Scalable Models For Surface Mount Components Is Adding To Design Confidence And Helping Triquint's Improved Design Flow For Minitiarized Front-end Models. |
| Paul Litzenberg, Foundry Engineering Director for TriQuint | |
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I Just Ran Dc Through The Nec 3 Watt Device, My Measured Data Compared To Model Simulated Data,--> Simulated Data At 2.255(vgate) Idrain=1.085a Measured Data At 2.255vg Drain Current 1.085 --> They Hit Exactly !!!! No Bull --> Just Wanted To Let You Models Know !!! Awesome Job !!!!!!
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| Dean Pizio, Sr Rf Engineer, Engenium Technologies, Corp | |
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| Raytheon Sas Has Been Using Modelithics For The Last Few Years To Develop Gan And Gaas Nonlinear Models For Our Varous Hpa Projects. We Are Extremely Happy With The Results And The Accuracy Of The Models Provided By Modelithics |
| Dr. Reza Tayrani, Senior Engineering Fellow, Raytheon | |
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| To Verify Our Module Designs Prior To Tapeout, We Reference Your Inductor And Capacitor Models To Our Module Substrate, Saw Device And Lna Models. We've Had Very Good Luck With This Approach And The Use Of Your Models Has Enabled Us To Close The Loop On The Simulation Analysis. The Simulation Results Allow Us To Optimize Each Of The Design Components And Assemble A Product That Correlates Very Well With Expected Performance. |
| Russ Mckinney, RFMD | |
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| While Using Your Models The Measured And Simulated Performance Was Remarkably Similar On The Filters I Modeled And Fabricated - Far Different From My Original Simulations. You Saved Me Many, Many Hours As Well As My Reputation! |
| Ted Goodman, President, West Friendship Engineering | |
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| Recently Completed A Comparison Simulated And Measured Results Of The First 2 Test Boards Of A 1.8-2ghz Class A Amp Stage Designed Using The Modelithics Fll120mk Model. No Tuning Was Done. The Measured P1db And Oip3 Were Startlingly On Top Of The Simulations. The Design Was Done Using Microwave Office And Multimatch Amplifier Synthesis Wizard |
| Ivan Boshnakov, Aerial Facilities Limited | |
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| We Had Some Very Good Results Recently That We Wanted To Share With You. I Am Attaching A Paper Draft For You On A Hybrid Lumped-microstrip Multiplexer Whose Design And Simulation Used The Modelithics Clr Library Extensively. As We State In The Paper, The Modelithics Models Made A First-pass Design Success Possible. |
| Chris Galbraith, University of Michigan | |
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| I Know You Probably Appreciate Customer Feedback About Your Models So After Finishing My Filter Design Work Using Modelithics Models, I Put Together A Test Report Showing The Simulated And Measured Response. I Did Not Bother To Cal Out The Coaxial Connectors So There Is A Little Extra Loss And Delay, But The Comparison Came Out Very Good. I Am Very Impressed With The Results! |
| Greg Ramon, Senior Rf Engineer, Planning Systems Inc. | |
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| Modelithics Makes Me Look Good When A Vital Rf Or Microwave Circuit Simulation Must Be Spot-on – Or Else! For Example, I Recently Completed Two Ghz Bandpass Military Filter Designs That Produced First Pass Measured-to-modeled Agreement That Was Absolutely Exceptional -- No Tuning Of Either Circuit Was Required -- And Would Simply Not Have Been Possible Using S-parameter (much Less Ideal) Models. |
| Cotter W. Sayre, Senior Rf Engineer, Radix Technologies | |
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| I Want To Personally Thank You And Your Team For The Excellent Job Done On This Phemt Modeling Project. I Also Appreciate The Time Your Staff Took Above And Beyond To Get The Job Done, Also I Personally Learned A Great Deal During This Process. I Hope That We Can Work Together Again In The Future. Thanks Again. |
| David Caleb, US Monolithics | |
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| Pad Dimension Inputs? This Is A Wonderful Bonus -- I Had Always Thought This Would Be Our Next "new And Improved" Version -- And It Certainly Is Appreciated. |
| Bob Grossbach, American Technical Ceramics | |
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| .......... This Has Been A Frustrating Problem For Me--creating Power Amplifier Load Networks. The Problem Is To Transform A 50-ohm Load To
2-3 Ohms, Or Even Less, At The Chip. everything Matters; Even A Tenth Of A
nh At 2 Ghz Is Huge, Compared To The 2 Or 3-ohm Real Part. Then, There Are
the Losses In The Caps And Inductors, Which Have A Significant Effect On
efficiency And Output Power. Good Chip Modeling Gives Us A Chance Of Getting
a Andle On These Things.
...by The Way, I Have Used The Passive Chip-component Library For
making A Wcdma Power Amplifier Test Board. I Put One Together This Week, And
> Discovered That It Was Dead On; No Need Even To Tweak It. I'm Seeing
65-70% Peak Dc Efficiencies At About 28 Dbm, 1.85 Ghz Amp. Exactly What Was
expected. Same Story On Two More I've Tested. This Is Very Impressive! |
| Dr. Steve Maas, Nonlinear Technologies, Inc. | |
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| I've Been Very Pleased With The Use Of The Modelithics Clr Library, Finding It Much More Cost Effective Than Performing My Own Trl Calibrated Measurements Of Surface Mount Components. I've Had Excellent "first-pass"
design Success With Using The Library For Optimization Of Part Values For Circuits Such As Lna Matching Networks And Have Decided To Base All My Future Designs On Parts That Are Represented With Accurate Models In The
modelithics Library. |
| Robin Roddewig, Senior Engineer, GCI | |
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| During Design I Used [modelithics Library Models ] Every Day On The Block Converter Project. … I Also Used This To Design Up To 10 Ghz Lowpass, Highpass, Lowpass/highpass Combos, Bandstop Filters, And I Never Needed To Tweak. Got It On First Design. |
| Rick Barber, Anritsu Company | |
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| The Modelithics Clr Library Has Greatly Increased My Confidence In Ads Simulations Of Lumped Element Filters And Matching Networks. First Or Second Pass Success Is Now Routine. The Convenience And Ease Of Use Alone Is Worth The Cost. Thanks. |
| Mark Smith, Airnet Communications | |
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