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ARTICLES

Enabled by Advanced Semiconductor Technologies - 5G mmWave Systems Have Arrived

A year or two ago, it was thought that the first 5G applications would be sub 6 GHz using technologies such as massive MIMO, high orders of carrier aggregation, heterogeneous networks, etc., to achieve better data rates, latency and capacity. But new semiconductor processes and architectures have rapidly progressed making 5G mmWave technology available today at reasonable costs.


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Beam me up, Scotty!

mmWave Beams Create New Challenges for 5G

In my last blog, I touched on several aspects of using mmWave spectrum for 5G mobile access that present formidable challenges still under investigation. During the recent RAN1 meeting in Prague, the issue of beams surfaced and progress was made to define the 5G physical layer to address the control and management of these beams.


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Microwave Advancements Meet 5G Backhaul Requirements

Skeptics ponder if microwave has the ability to adequately meet 5G backhaul requirements in terms of capacity, complexity, and stringent latency requirements.  Based on what microwave vendors have already demonstrated, Sky Light Research believes that it does and here is why.


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Giving Back to Our Communities

Microsemi leads by its actions

We don’t talk very much about local community service and high quality company culture as a technical magazine. I was lucky enough to be invited to a Microsemi reception yesterday afternoon where they showed their commitment to the local Lawrence and Lowell community at their manufacturing facility in Lawrence, MA.


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The Role of PCB Materials in Printed-Circuit Impedance

Printed circuits for high-speed and high-frequency applications rely on fine-featured transmission lines for signal transmission. Ideally, the loss through these transmission lines is minimal, and this requires an electrical impedance that is consistent and without interruptions, and with a value most appropriate for the types of signals to be transferred through the circuit. However, a number of factors can affect the impedance of a PCB, including the physical and electrical characteristics of the circuit and circuit material, but by reviewing and better understanding these variables, their effects can be minimized.


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RF Power Semiconductor Market Trends

From Yole Développement

Yole Développement just released a comprehensive report on the RF power device market and here are the highlights from their article. They expect the market to recover in coming years due to increasing demand for telecom base station upgrades and small cell implementations. Overall market revenue could potentially increase 75% by the end of 2022, posting a CAGR of 9.8% from 2016-2022.


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