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ARTICLES

Head to Head: NI PXIe-5665 Versus Traditional Boxed Instruments

NIThis paper discusses the setup details for the demo shown in this video Head to Head: NI 5665 vs. Traditional Boxed Instruments. The demo compares the performance and speed of the NI PXIe-5665 with the Agilent PXA. Rather than comparing the datasheet specifications of both instruments, this video compares the two instruments while performing real- world test scenarios.


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50V LDMOS

An ideal RF Power Technology for ISM, Broadcast and Commercial Aerospace Applications

RF laterally diffused MOS (LDMOS) is currently the dominant device technology used in high-power RF power amplifier (PA) applications for frequencies ranging from 1 MHz to greater than 3.5 GHz. This paper will include device and design considerations that specifically target enhancing ruggedness performance. The features of the products using this platform will also be presented.


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RFID objects monitoring in space bounded by metallic walls.

Considered problem is the reading of multiple RFID tags in the region of space, which is bounded by metal walls and has resonant radio-engineering properties. Obtained results show that it is possible to get reliable automated monitoring of items with tags by forming of a local electromagnetic field (EMF) with the help of slow-wave structures (SWS).
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DOCUMENTS AND FILES

RF Streaming for Aerospace & Defense Applications

Capturing unpredictable EW transmissions could mean hours or even days of continuous recording of the RF signal environment. See selected videos and application content designed to help you simplify the recording and analysis of these hard-to-catch RF transmissions.

Super-Heterodyne Signal Analyzers Description and Applications

Review the basics of spectrum analysis including the various signal analyzer architectures from single stage to superheterodyne. Also discover how to adjust VSA settings for optimal measurement performance.

GaN MMIC PAs Support the Rapid Growth of Ku Band Applications

In the 22 years since it was opened for satellite communications, Ku Band has become an essential part of the radio spectrum. Today, there are systems in place that provide video and data distribution for internet access, television news gathering, home radio and television programming, in-flight Wi-Fi and cellphone networks, plus high capacity data networks for commercial and government applications.

Achieving Accurate RF and Microwave Power Measurements for Satellite Thermal Vacuum Test

This application note compares the commonly-implemented power measurement test setups for TVAC with a new test method that uses TVAC-qualified LAN power sensors. The paper explains how this new test method provides a simplified test setup, and more accurate and reliable microwave power measurements for TVAC testing of satellite equipment.

EMC/EMI Applications in FEKO

Electromagnetic Compatibility (EMC) has become a key and sensitive topic for OEM’s and suppliers in many industries. Not only is it important to ensure electromagnetic problems will not occur when integrating components and devices in a system, but also to fulfil the related EMC regulations. FEKO is used for EMC to simulate problems related to Electromagnetic Interferences (EMI) and Electromagnetic Susceptibility or Immunity (EMS).

The Importance of Polarization Purity - MVG

The polarization purity of an antenna system is an important characteristic, particularly in dual-polarized electronic systems, where depolarization can prevent the system’s quality objectives from being achieved. Recently, the CXR feed, a new, wide band, dual polarised feed, based on conjugate matching of the undesired cross-polar field in the QZ has been developed by MVG, significantly improving the cross-polar accuracy of standard single reflector CATR systems.

Noise Figure Measurements: Theory and Applications

Learn about the fundamentals of noise and noise figure measurements, including the Y-factor technique and methods to calculate measurement uncertainty.

Modern Co-Site RF Interference Issues and Mitigation Techniques

RF co-site interference has become a major issue with the proliferation of antennas, particularly in dense urban areas. This paper offers a practical perspective for those using or specifying new RF wireless systems about what RF co-site interference is, where it comes from, and some of the most common techniques and tools that are available in today’s market to solve these RF co-site interference problems.

Integrating RF PXI with benchtop rack-and-stack systems?

This application note describes the differences between benchtop and PXI system architectures and programming interfaces to help you select the right programming interface for your application. Tips are included to make your integration job easier.

The Communication System Architect’s Guide to 5G Physical Layer Modeling

Keysight's new white paper, The Communication System Architect's Guide to 5G Physical Layer Modeling, describes how to model and evaluate a next-generation communication system in combined multi-domain simulation environments. With complex analog and digital components, it is vital to model accurately to understand the behavior of the system. 

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