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FEM Modeling of Gigahertz TEM Cells for Susceptibility Analysis of RFID Products
This paper presents a novel simulation methodology to model the coupling between a GTEM cell and an RF-ID antenna.

Article 2014-08-03

PDF PDF 816 KB
Using S-Parameter Data Effectively
This Article by Wilfredo Rivas-Torres focuses on how to incorporate Sparameters in the design process using a CAD approach.

Article 2014-07-31

PDF PDF 248 KB
Symmetric and Asymmetric - Coupled Lines Band-Stop Filters at Ku/Ka Bands
This Article presents theory and design of coupled-line spur line band-stop filters, which are quite compact structures, lower radiation loss than conventional shunt stub and coupled-line filters.

Article 2014-07-31

PDF PDF 1.38 MB
RF SiP Design Verification Flow with Quadruple LO Down Converter SiP
This article reprint by HeeSoo Lee and Dean Nicholson outlines the design flow used for a System-in-Package component, using multiple die integrated into a single packaged device.

Article 2014-07-31

PDF PDF 505 KB
Matching Network Yin-Yang - Part 2
This Article by Randy Rhea covers transmission line matching networks, plus a discussion of characteristics of the load affects matching bandwidth and the choice of network topologies.

Article 2014-07-31

PDF PDF 411 KB
New LDMOS Model Delivers Powerful Transistor Library - Part 1
This Article presents a new CMC LDMOS model that can accurately predicts both small-signal and nonlinear performance, and is scalable for devices of different sizes and power output capabilities.

Article 2014-07-31

PDF PDF 544 KB
Digital Predistortion Linearizes Wireless Power Amplifiers
This Article by Wan-Jong Kim, Shawn P. Stapleton, Jong Heon Kim, and Cory Edelman focuses on how digital predistortion linearizes wireless power amplifiers.

Article 2014-07-31

PDF PDF 1.81 MB
Matching Network Yin-Yang - Part 1
This Article by Randy Rhea covers basic matching concepts and matching network topologies, emphasizing methods for obtaining the desired performance with networks that are realizable in practice.

Article 2014-07-31

PDF PDF 554 KB
New LDMOS Model Delivers Powerful Transistor Library - Part 2
This article reprint presents that the CMC (LDMOS FET) model can be scaled for a larger device, with a good fit for signal, power and distortion performance as illustrated by a 60W Doherty PA design example.

Article 2014-07-31

PDF PDF 699 KB
Accurate Simulation Models Yield High-Efficiency Power Amplifier Design
This Article by Sonoko Akamatsu, Charles Baylis, and Larry Dunleavy details the design goals and simulation- based processes for Power Amplifier Design.

Article 2014-07-31

PDF PDF 592 KB
Design and Characterization of Discontinuous RF/Microwave Passive Components
This Article by Dean Nicholson presents a design methodology proposed for designing and building RF circuits likely to contain discontinuous regions.

Article 2014-07-31

PDF PDF 1.43 MB
Designing RFID Tags Using Direct Antenna Matching
This Article by Cory Edelman and Murthy Upmaka describes the design challenges involved in RFID design and also focuses on the use of integrated EDA tools to optimally address the challenges.

Article 2014-07-31

PDF PDF 1.09 MB
Practical Analysis of Backplane Vias - White Paper
This paper describes the methodology of using measurements on a test vehicle to build a high bandwidth, scalable model of long vias which includes the through and stub effects which can be used for system simulation.

Case Study 2014-07-31

PDF PDF 4.57 MB
Jitter Analysis: The Dual-Dirac Model, RJ/DJ, and Q-Scale - Application Note
This paper provides a complete description of the dual-Dirac model, how it is used in technology standards and a summary of how it is applied on different types of test equipment.

Article 2014-06-14

PDF PDF 515 KB
System-Level Modelers Race The Design Cycle
Microwaves & RF article by Jean-Jacques DeLisle describes how effective system-level modeling and analysis is becoming more critical in virtually every RF system.

Article 2014-04-02

Tips and Advanced Techniques for Characterizing a 28 Gb/s Transceiver
This paper shows the right combination of measurement and simulation techniques, and how the previously existing barriers for using de-embedding have been eliminated.

Article 2014-02-18

PDF PDF 3.82 MB
Overcoming the Challenges of Designing and Testing Phased-Array Radar Systems
Microwave Product Digest (MPD) featured article for January 2014 written by Dingqing Lu of Agilent Technologies.

Article 2014-01-27

Using Channel Coding to Verify and Increase the Performance of Channel-Coding Algorithms
An advanced simulation methodology and environment can now be used to verify and measure the efficiency of algorithms under real-world communication scenarios, saving engineers both significant time and cost.

Article 2013-12-09

3D FEM simulations of a scanning microwave microscope cantilever for imaging at the nanoscale
APPLIED PHYSICS LETTERS 103, 213106 (2013) - A theoretical analysis and numerical validation of a calibration algorithm for scanning microwave microscopy (SMM) imaging at the nanoscale.

Article 2013-11-19

PDF PDF 1.52 MB
A New Approach for Multi-Emitter Test Signal Generation
A new capture and playback approach generates multi-emitter test signals using a combination of COTS test equipment and simulation software.

Article 2013-11-14

Beyond CMOS Vs. GaAs: Picking The Right Technology
Design software can help evaluate the many different technology options for a high-frequency electronic circuit or system under a wide range of operating conditions.

Article 2013-10-24

Efficient Synthetic Aperture Radar Antenna Array Design Using Multiple Electromagnetic Solvers
Example of a synthetic aperture radar antenna array shows how applying the most efficient EM technology to each segment of the antenna system significantly improves design efficiency compared to traditional approaches.

Article 2013-10-11

Addressing the Challenges of Radar and EW System Design and Test using a Model-Based Platform
Article reprint, High Frequency Electronics, October 2013. Due to the challenges of Electronic Warfare (EW) environments, today’s designers require a solution for designing, verifying and testing their Radar and EW systems in an effective way.

Article 2013-10-10

PDF PDF 1.45 MB
Realization and Analysis of Electronically Steerable Phased Array using Scripting & Parameterization
With the advent of multi-core, high speed processors and abundant memory availability, complex designs using 3-D full-wave electromagnetic (EM) tools have become common choice for microwave and antenna engineers.

Article 2013-07-09

Simulation and Measurement-based X-parameter Models for Power Amplifiers with Envelope Tracking
An investigation of envelope tracking power amplifiers using simulation-based and measurement-based frequency domain static XP models.

Article 2013-06-30

PDF PDF 544 KB

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