Feature Articles

  1. Automated Pulsed Phase Noise Measurements
    8/9/2017

    Berkeley Nucleonics has recently enhanced the 7000 series of fully automated signal source analyzers, and has extended their measurement capabilities to 26 GHz. Not only do these devices measure absolute phase noise on a large variety CW sources, they also perform residual and absolute phase noise characterization of CW and pulsed signals, transient analysis, and VCO characterization. This application note discusses the features and benefits of two 7000 series models available for automated phase noise measurements.

  2. Making Better Models With User Data
    8/4/2017

    It is necessary for RF system designers to have fast, intuitive architecture systems and frequency-planning tools. This white paper details the process of combining MATLAB and the RF System analysis to improve the accuracy of simulations through the use of personalized models.

  3. Using ANSYS HFSS High-Performance Computing Capabilities To Help Deliver Better Products Faster
    7/28/2017

    As simulation drives the design process, the time to perform simulations causes a huge hiccup in the development cycle. ANSYS has substantially improved the high-performance computing (HPC) capabilities of ANSYS HFSS, a simulation tool for 3D full-wave electromagnetic field simulation.

  4. Why Engineering Simulation Is Critical To Success In Developing Autonomous Systems
    7/21/2017

    An autonomous system’s contextual awareness and artificial intelligence software allows it to base decisions on sensor perception and the software’s mission objectives. Simulation enables thousands or even millions of operating scenarios and design parameters to be virtually tested with precision, speed, and cost economy.

  5. Developing Efficient Design Procedures For Wideband, Low-Profile Antennas Using Altair FEKO
    7/19/2017

    Traditional analytical propagation models are not applicable to short-distance near-ground signal propagation, so numerical modeling is required. FEKO EM simulation technology offers superior effect capabilities that account for mutual coupling between receiving and transmitting antennas.

  6. Characterizing The Murchison Widefield Array Beam Pattern
    7/19/2017

    The Murchison Widefield Array (MWA) radio telescope was constructed as a precursor to the Square Kilometer Array (SKA) in Western Australia. This case study focuses on this electronically steered phased array, where steering is achieved by introducing phase delays to each element in the array.

  7. Understanding RF Inductor Specifications
    7/18/2017

    Parameters that must be considered for RF inductor selection include mounting type, inductance value, current rating, DC resistance, self-resonant frequency, Q factor, and temperature rating. One must balance the desired smaller sizes of the inductor package, and the inductance value and current rating. 

  8. Flexible Hybrid Electronics Advancing, Spurred By Dual-Use Technology Development
    7/17/2017

    Flexible hybrid electronics (FHE) is a category of microelectronics using novel materials with stretchable, conformable, and flexible form factors. FHE enables wearables, medical Internet of Things (IoT) applications, defense applications, and more by shifting from electronics based on rigid and fragile circuit boards to flexible electronics components mounted on substrates, such as plastics and textiles.

  9. mmWave Channel Modeling With Diffuse Scattering In An Office Environment
    6/30/2017

    To accurately predict channel characteristics for millimeter wave frequencies, propagation modeling must account for diffuse scattering effects. This example uses Wireless InSite’s diffuse scattering capability to perform simulations of an indoor wireless network.

  10. Designing A Broadband L-band 160 W GaN Power Amplifier Using SMT Packaged Transistors
    6/30/2017

    Advancements in Gallium Nitride technologies are leading to amplifier operation at higher powers, supply voltages, and frequencies. The whitepaper includes load-pull measurements, thermal considerations, and EM simulations of the input/output matching networks.