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White Papers

Optimizing IP3 and ACPR Measurements

Learn techniques to improve your instrument’s ability to measure intermodulation distortion, third-order intercept, and adjacent channel power ratio.

Constraints and Trade-Offs in Designing Filters and Deriving Specifications

With customer requirements and expectations shaping the design process, driven by added complexity as wireless infrastructures evolve, you must assess several factors before designing new RF filter products. In this white paper, you’ll learn: - Why to account for the impact of temperature drifts on the frequency response before beginning the design process - How the PIM measurement setup and specifications can affect the product - The ways to prioritize varying requirements

Automotive Radars – Antenna Design, Integration and Channel Modelling with FEKO

One of the key enabling technologies in the development of autonomous vehicles is driving aid radar systems.  This paper focuses on some of the challenges experienced during the design and integration of automotive radars.  The applicable numerical solutions that FEKO offers is also discussed.  Radar channelling modelling from WinProp, one of Altair’s latest acquisitions in the EM space, will also be presented.

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.

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