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Designing mmWave Bias Tees with Accurate Component Models

Bias tees are used extensively to apply DC biasing to RF circuits. This Piconics/Modelithics white paper explains how bias tees can be designed using models that are accurate all the way to mmWave frequencies. Design details and simulated results presented. Measured data is then compared to the simulated performance.

The Art of Recording the Right Amount of Data

The ability to record data and process the data offline is used in all engineering fields. Depending on the field the amount of data can vary greatly. When signals in the electromagnetic spectrum need to be recorded the amount of data is dependent on the bandwidth of the signal. As signal bandwidths become wider and wider more and more data need to be stored, transferred, and analyzed. This article focuses on applications such as COMINT, ELINT and SATCOM, which all produce a high amount of raw data, and on how to avoid getting unnecessarily large data files which make further offline processing challenging.

The Importance of a Healthy mmW 5G Ecosystem

As the market demand for mmW 5G grows, there is a greater need for market readiness and choices for equipment and devices especially using the lower profile active antenna technology. However, mmW 5G active antenna design continues to be a challenge for most OEMs, system integrators, and radio manufacturers who have largely operated in sub-6 GHz technologies, posing a steep learning curve for utilizing mmW active antennas. Anokiwave silicon core IC technologies have been used to enable mmW 5G radio systems since 2016 and are the underpinnings of large portion of deployed 5G networks today. Since then, each year Anokiwave has released new generations of silicon ICs in all mmW 5G bands, all of which are in volume production and used by industry’s leading players in fielded radios. Anokiwave’s ICs enable industry’s best performing, smallest form factor, lowest cost, and lowest DC power mmW 5G radios. To further accelerate this mmW 5G market growth, Anokiwave is now introducing it’s scalable mmW active antenna solutions and partnerships with multiple baseband companies. Anokiwave continues to lay a path for the industry to adopt mmW active antennas at a commercial scale and make mmW 5G a reality for all.

Automated ADAS Test System Trial with Radar Sensors and Electromagnetic Interference

Most ADAS functions rely on radar sensors, and these safety-critical components must function correctly even under the most demanding of RF environments. We have released a white paper describing a test procedure to replicate real life scenarios where the ADAS radar functions are activated during EMS testing and it contains some very interesting results.

Outdoor Surveillance: A Powerful Trend for a Safer Society

In this trend paper, TE Connectivity (TE) will explore the demands and trends in smart surveillance technology within the smart city ecosystem and review what engineers need to consider when designing smart surveillance products and components.

R&S®GSASLP Satellite Link Planner / R&S®GSACSM Communications System Monitoring

R&S®GSASLP is a satcom analysis and optimization software solution, covering all aspects of modern satellite communications. R&S®GSASLP perfectly supports major parts of the satcom value chain such as satellite system design, transmission planning and transponder usage optimization. R&S®SLP accurately models weather conditions, atmosphere effects and covers all RF transmission impairments of transparent payloads among all satcom bands of interest (C, X, Ku, Ka band etc.).
Coilcraft

Broadband Chokes for Bias Tee Applications

In broadband bias applications, most inductors do not cover enough impedance bandwidth. Bandwidth can be increased by putting three or four inductors in series, but DC losses and filter complexity increase. Instead, a broadband bias choke provides wide bandwidth in a single inductor package.

Additive Phase Noise in Amplifiers

Phase noise has been a growing concern for high-performance transceiver designs. This white paper will discuss and analyze the various sources of additive phase noise in RF amplifiers as well as typical application requirements and measurement challenges. Phase noise specifications for a series of MMIC amplifiers are presented.

Automatic Fixture Removal from VNA Measurements

Automatic Fixture Removal is a simple, accurate way to de-embed measurement fixtures. These are typically used when measuring SMD type components to provide an interface from the VNA test port cables to the DUT. The main challenge when characterizing such components is to completely isolate DUT characteristics from the fixture.

Improving R&S®FSWP Measurement Speed

The Rohde & Schwarz®FSWP (FSWP) is a modern, digital signal processing based, phase-noise test set that performs many tasks in parallel in an effort to improve measurements speed. However, several measurement settings drastically affect measurement speed. This paper will discuss these settings and provide suggestions on improving overall measurement speed.