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Characterization and Modeling of Bond Wires for High-Frequency Applications
This Article presents a technique to compensate the bond-wire interconnect between two microstrip circuits to give return and insertion loss performance up to 50 GHz using circuit spacing’s/layouts.

Article 2006-09-01

PDF PDF 384 KB
Quick ACPR Analysis Performs Necessary PA Simulations
This article describes a fast method of simulating Adjacent Channel Power Ratio (ACPR) versus input (or output) power level, based on a swept 1-tone harmonic balance simulation.

Journal 2006-07-01

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 2006-04-01

PDF PDF 346 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 2006-03-30

PDF PDF 144 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 2006-03-01

PDF PDF 1.34 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 2006-03-01

PDF PDF 540 KB
CO-DESIGNS’ EDA Vendors guidelines for IC-PACKAGE Designers for effective work
This Article describes CO-DESIGNS’ EDA vendors guidelines for IC and PACKAGE designers on how to work effectively together.

Article 2006-02-02

PDF PDF 257 KB
Guidelines for Successful Simulation Setup
This Article by Wilfredo Rivas-Torres presents a review of the choices an engineer must make to obtain successful results from circuit simulation.

Article 2005-12-01

PDF PDF 637 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 2005-12-01

PDF PDF 57 KB
Power Amplifier Design Speed-Up Techniques
This Article presents how to speed up Power Amplifier Design by fast source-pull, real-time load-pull and accurate measurement-based behavioural models.

Article 2005-11-01

PDF PDF 1.71 MB
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 2005-09-01

PDF PDF 1.75 MB
Designing Filters Efficiently Using Simulation Tools
This Article by Anurag Bhargava presents two bandpass filter (BPF) examples that were simulated using circuit and EM simulators. It also details the comparison of the simulated and measured results.

Article 2005-09-01

PDF PDF 2.17 MB
An Innovative Approach to Faster RFIC Transmitter Design
This Article by Andy Howard presents a number of simulation techniques; including HB, circuit envelope, EM, & wireless test benches applied to the integrated RFIC transceiver for WLANs/ IEEE 802.11b.

Article 2005-04-01

PDF PDF 3.68 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 2005-01-01

PDF PDF 1.05 MB
New LDMOS Model Delivers Powerful Transistor Library - Part 2
This Article 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 2004-11-01

PDF PDF 684 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 2004-10-01

PDF PDF 530 KB
Signal Integrity Analysis and Simulation Tools include IBIS Models
This Article describes the types of models that need to be taken together for high-speed signal integrity analysis, and illustrates their use in a simulation of a high-speed memory circuit.

Article 2004-09-01

PDF PDF 411 KB
Linearizing PAs using Digital Predistortion, EDA Tools and Test Hardware
This Article describes the process for developing and implementing an effective power amplifier linearization scheme using baseband adaptive digital pre-distortion.

Article 2004-04-01

PDF PDF 490 KB
Broadband Monolithic S-band Class-E power Amplifier Design
This Article written by Reza Tayrani describes broadband monolithic S-band class-E power amplifier design in detail.

Article 2004-04-01

PDF PDF 206 KB
Effective IM2 Estimation for Two-Tone and WCDMA Modulated Blockers in Zero-IF
This Article written by Walid Y. Ali-Ahmad explains effective IM2 estimation for two-tone and WCDMA modulated blockers in zero-IF.

Article 2004-04-01

PDF PDF 306 KB
A Nonlinear Model Complier for RF/MICROWAVE Engineers
This Article presents Genesys latest release which includes a powerful Verilog-A compiler technology and hence enhancing the accuracy of simulation.

Article 2003-11-01

PDF PDF 565 KB
Power Amplifier Design using Measured Load Pull Data
This Article by John Olah & Sanjeev Gupta (Agilent Tech.) details a technique for creating an accurate behavioral model within the software that avoids the need for manual entry of load pull data.

Article 2003-09-01

PDF PDF 308 KB
LS HBT Model with Improved Collector Transit Time for GaAs and InP Technologies
This Article describes an analytical large-signal HBT model which accurately accounts for the intricate bias dependence of collector delay in devices fabricated in both GaAs and InP material systems.

Article 2003-06-13

PDF PDF 323 KB
A WLAN Test System using Test Equipment with EDA Software
This Article by Dingqing Lu & Jinbiao Xu details a test system configured from basic h/w test equipment: signal generator, vector signal analyzer connected with EDA software for testing WLAN systems.

Article 2003-05-01

PDF PDF 264 KB
Simulating a Discrete GaAs FET Power Amplifier
This Article by Lance Lascari (Microwave Data Systems) describes an experiment to avoid the empirical approach by using a new source of device models.

Article 2003-02-01

PDF PDF 541 KB

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