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RF & Microwave

For most of your RF & Microwave measurement needs, you can find application & solution information here.

Be sure to check the library of application notes for detailed information on using your equipment and successfully completing the measurements you need.

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MMIC Design: Speed to Market with the Lowest Cost and Highest Yield 
This Article by Jack Sifri (Agilent Tech.) brings out the five important steps that are key elements of a successful MMIC Design process, in order to satisfy the speed to market at the lowest cost.

Article 2008-05-15

PDF PDF 1.58 MB
Multichannel scopes enable MIMO RF testing 
This article discusses troubleshooting techniques with time-coherent multichannel scopes and 89600 VSA software to gain insight into error mechanisms affecting their hardware EVM performance and system-level RF transmitter performance budgets.

Article 2011-04-12

 
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
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
Overview: Applying Nonlinear RF Device Modeling to Verify S-Parameter Linearity 
This Article is intended to explain the basics of “what’s behind S-parameters” from a modeling engineer's standpoint & on how to apply Harmonic Balance simulators to check the validity of device models.

Article 2001-09-01

PDF PDF 460 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
Product How To: Design a polar frequency discriminator 
Polar frequency discriminators (PFD) are widely used in radar and direction-finding applications to determine the unknown frequency of incoming pulses. This article explains how to design the RF portion of a PFD, over a frequency range of 2 to 8 GHz, using Agilent’s ADS software.

Article 2012-06-08

 
RF SiP Design Verification Flow with Quadruple LO Down Converter SiP  
This Article 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 2007-05-01

PDF PDF 490 KB
Sorting Through EM Simulators 
Matching an electromagnetic simulator to a particular application requires an understanding of the different simulation technologies at the heart of these software tools.

Article 2012-05-25

PDF PDF 3.50 MB
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
Tackling MIMO Design and Test Challenges for 802.11ac WLAN 
This article from Microwave Journal shows how the system engineer can use system simulation to help understand the design performance and design requirements needed to achieve transmitter system-level metrics such as EVM.

Article 2012-03-11

 
Tackling the Mixed-signal Testing Challenges of SDR 
Software-defined radios (SDR) utilize a combination of FPGAs, DSPs and analog/RF designs to achieve the radio’s system performance.

Article 2011-03-09

 
Testing Radar and EW Systems for the Real-World 
The solutions described in this Microwave Journal article do more than address a wide range of present and future radar systems: They also help overcome organizational hurdles.

Article 2012-07-12

 
The Coming of Age of the Software Communications Architecture 
Microwave Jounral article reprint on Software Defined Radio (SDR) technology, development tools for complex waveforms and radio applications in aerospace/defense and commercial applications.

Article 2011-04-24

PDF PDF 1.61 MB
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
Using Software Defined Instruments to Address the Mixed-Signal Test Challenges of Today’s Software 
Link to a NASA Tech Brief article which states to ensure successful operation of SDR designs requires use of modern instruments capable of bridging the digital-analog divide, while also addressing any challenges stemming from use of the SDR technology itself

Article 2012-02-01

 
X-Parameters: Commercial Implementations for the Latest Technology Enable Mainstream Applications 
This article reprint from Microwave Journal introduces advances in commercially available solutions for characterization, modeling, and design of nonlinear components and systems based on X-parameters

Article 2009-10-09

PDF PDF 1.92 GB

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