Feature Articles

  1. The Future Of IoT Will Require LTE Connectivity

    As the promise of a wirelessly connected world becomes a reality, there is a growing need for LTE technologies that address low cost, long battery life, security, and reduced complexity — all critical components for IoT.

  2. The Increasing Importance Of Increasing Ports: Addressing The Challenges Of Multiport Test

    A multiport VNA significantly reduces test time to deliver highly accurate measurements on multiport devices. The flexible modular configuration, fast measurement times, and high performance make VNAs the right tool for multiport testing. 

  3. The Essential Signal Generator Guide: Building a Solid Foundation in RF – Part 2

    In order to offer customers a robust and reliable high-speed wireless connection, you first need the right signal generator. This white paper is the second part of a guide to understanding signal generators. It offers an overview of various modulation schemes, the importance of spectral purity, and the benefits of distortion.

  4. Cost Effective Full-Duplex Systems Utilizing a Semi-Custom Approach

    The requirements of modern datalinks in the UAV and large airframe market present challenges for systems designers. Many modern communication systems often require full-duplex operation, and several systems may be operating on a single airframe.

  5. Extending The Range Of A Low Power UAV Radio

    Low-power UAV radio systems, though designed for short distance communications, can be an inexpensive and reliable means of communications over greater distances – especially when the application is small UAS platforms.

  6. IoT Standards: The End Game

    It can be confusing to try to pick standards while waiting for 5G or NB-IoT deployments. This article answers the question of which standards are best to use and looks ahead at the future of wireless technologies to help gain a better perspective as to where things are headed.

  7. Measurement Of Beamforming Antenna In Transmit Mode

    Rapid and accurate verification of beamforming weights is required for example, for codebook generation, or beamforming algorithm development or verification. This white paper describes the unique application of Rohde & Schwarz’s vector network analyzers to fully characterize the passive part of multi-element antennas intended for beamforming.

  8. How Big Is A Wavelength?

    In traditional arrays an inter element spacing of less than half the wavelength (<λ><λ/2) is required to mitigate grating lobes. To understand the shift in system design this brings about, this paper looks at the physical scale of different wavelengths compared to some familiar references.

  9. How GaN Is Changing The Satcom RF Front-End

    In the past, traveling wave tube amplifier (TWTA) and gallium arsenide (GaAs) were the go-to RFFE technologies for power amplification in satcom. Now, GaN and GaAs semiconductor technologies are becoming the go-to solutions; GaN has been replacing TWTAs due to its high-power performance and reliability combined with a small form factor. GaN and GaAs are enabling a wide variety of commercial and military satcom applications, such as 5G backhaul, ultra-HD TV transmission, satcom-on-the-move, internet access for aircraft passengers, and manpack terminals.

  10. Evolution Of The Modern Receiver In A Crowded Spectrum Environment

    The International Telecommunications Union Radiocommunications working group (ITU-R) outlines recommendations for the regulations and procedures guiding federal RF management. This paper looks at the evolution from analog spectrum analyzer to the modern digital receiver.