Modeling

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Besser Associates Besser Associates offers courses related to: Modeling

Book-Practical RF Circuit Design for Modern Wireless Systems Vol. 2: Active Circuits and Systems
Rowan Gilmore and Les Besser
The second of two authoritative, highly practical volumes, this hands-on resource covers sctive and nonlinear circuits and introduces advanced topics in RF circuit and system design. Based on the extensive number of renowned RF design courses taught around the world by the authors, the book opens with an introduction to active linear circuits and RF stability analysis, including circuit stabilization techniques, and covers the design of low-noise and small-signal broadband amplifiers. It continues with an overview of modern RF devices and their modeling, explores nonlinear circuit simulation techniques such as harmonic balance, and extensively illustrates the use of modern CAD tools in active circuit design throughout. By applying these nonlinear design techniques, engineers learn the theory behind high-power RF transistor amplifiers, oscillators, mixers, and frequency multipliers, and gain an intuitive understanding of their operation. Various active and passive dc bias methods are also covered, focusing on their application to RF circuits.RF:This book is based on the last two days of the Applied RF Techniques I course and the Applied RF Techniques II course.

Instructor Bio of Les Besser
Instructor Bio of Rowan Gilmore

Book-Behavioral Modeling of Nonlinear RF and Microwave Devices
Thomas Turlington
A unique approach is used to model non linear behavior of devices, amplifiers, sub systems, and systems. Full use of spreadsheet computation of additive equations involving newly defined right hand and left hand functions provides insight into non linear behavior. Relationships are developed between amplifier saturated power output, 1 dB compression point, third order intercept point, and a newly defined compression coefficient. This new approach reveals why third order intermodulation products don't always increase 3 dB per 1 dB increase in power input when running the classical two tone test. Have you ever been perplexed with a shortfall in saturated power output from a cascaded string of power amplifier stages when standard CAD software predicted full expected power output? Behavioral models using the newly defined compression coefficient reveal the reason. Cascaded amplifier stage equations are formulated from which three dimensional trade spaces can be developed that lead to optimum power output and optimum power added efficiency.

Instructor bio for Thomas Turlington

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