Feature Articles

  1. How NB-IoT And LTE-M Fit Into The IoT Ecosystem: The Future Of Cellular IoT
    9/17/2018

    The future of the Internets of Things (IoT) will expand the use of cellular communications beyond smartphones and tablets to an extraordinary range of applications and connected devices. A significant number of these applications will require long-range connections. Two new standards, NB-IoT and LTE-M, have potential uses and some implementation options for device makers looking to add cellular connectivity.

  2. The Week In 5G: 9/11/2018 – AT&T Makes First Wireless Standards-Compliant 5G mmWave Connection, Verizon Claims First OtA Data Transmission On Commercial 5G NR Network
    9/11/2018

    This week sees another salvo of "5G firsts" and rollouts from competing wireless carriers in the United States.

  3. When Choosing Test Equipment, Don’t Forget The Interface
    9/5/2018

    A complex testing scheme usually involves integrating multiple pieces of equipment from multiple manufacturers. This article discusses the differences in proprietary and generic interfaces, the benefits each type has to offer, and offers some solutions to potential interface barriers and how to remove them.

  4. Implementing High Performance Filters In Millimeter Wave Applications
    9/5/2018

    One of the challenges that 5G engineers face is how to sufficiently implement high-performance RF filtering in millimeter-wave applications. This white paper looks at some of the considerations to make when selecting a filter technology for millimeter-wave applications.

  5. Filter Terminology And Specifications
    9/5/2018

    This guide acts as a quick reference for terms used to discuss filter technologies.

  6. RF Filtering For 5G Millimeter Wave Applications
    8/30/2018

    This white paper discusses mmWave 5G communications. The paper also offers a guide for available RF filtering options at these frequencies, review mmWave frequencies and their applications, and cover what filtering technologies will be available for use at mmWave frequencies.

  7. EM Simulation Of 28 GHz Series-Fed Patch Antenna Array For 5G
    8/17/2018

    Series-fed patch elements forming an array are simulated to demonstrate antenna performance and beamforming including S-parameters, gain, and effective isotropic radiated power (EIRP) at 28 GHz. Beam steering is performed in one plane by adjusting the phasing at the input ports to each of eight elements.

  8. Beamforming For An 8x8 Planar Phased Patch Antenna Array For 5G At 28 GHz
    8/17/2018

    An 8x8 planar antenna array creates narrow beams capable of scanning large sectors in front of the antenna.  This example focuses on displaying typical simulation results for beams and possible plots of coverage from the full array and combinations of sub-arrays.

  9. Tuning Element Application Guide
    7/31/2018

    Specially designed microwave tuning elements for tuning microwave circuits such as filters, oscillators, delay lines, multiplexers and dielectric resonant structures.

  10. Introduction To RF Matrix Switch Types And Functionality
    7/11/2018

    There are many types of RF matrix switches with configurations that distribute RF signals in very different fashions. This app note describes the functionality of these types of switches, their advantages and disadvantage, and how to choose the best switch for each application.