The Evolution of Broadband – Delivering Entertainment and Data – Part 2Fixed wireless access goes head-to head with optical fiberIn the first article of this two-part series, we explored the evolution of cable television (CATV) and geosynchronous satellites to deliver television and Internet access. In this article we dive into fiber optics and fixed wireless access (FWA). “Fiber optics is becoming like electricity. If you look at how electricity spread around the globe 100 years ago, that’s what’s happening now.”— Reed Hastings, co-founder of NetflixNeedless to say, the man was on to something. Optical fiber remains the gold standard for…
Author: RFMW
The Evolution of Broadband – Delivering Entertainment and Data – Part 1Cable and satellite TV providers will survive the onslaught of fiber and fixed wireless access.In this two-part series we explore how we receive entertainment programming and connect to the world via the Internet. Part 1 focuses on the evolution of cable television (CATV) and geosynchronous satellites to deliver television and Internet access. Part 2 delves into fiber optics and the emergence of fixed wireless access (FWA). In the Beginning…In the late 1940s and early 1950s, television was rapidly becoming the centerpiece of American home entertainment, with the whole family…
When Qualcomm introduced the QTM052 millimeter-wave antenna module in 2018, it was a wake-up call for the defense industry and anyone following the development of 5G. The device combines 64 dual-polarization antenna elements, delivering a combined RF output power of 50 dBm, a 5G NR transceiver, a power management IC, and an RF front end. It offers 800 MHz of bandwidth at 24.25 to 27.5, 26.5 to 29.5 GHz, 27.5 to 28.35 GHz, and 37 to 40 MHz and 2×2 MIMO. Notably, all those antenna elements were supported by beamforming and beam steering, essential ingredients, all in a package less…
The demand for low-cost, high-performance, and reliable components continues to fuel innovation in RF power transistors. TO270 packaging for wideband, unmatched LDMOS drivers is one notable solution driving down costs and enabling the seamless advancement of wireless technologies across various applications, from telecommunications to industrial, scientific, medical (ISM), and beyond. Available now at RFMW, TO270 packaged, wideband, unmatched LDMOS transistors from Ampleon offer a compelling blend of performance and cost-effectiveness. This comprehensive portfolio is further complimented by our expert design recommendations and application support, providing invaluable guidance for PA designers to achieve development success. Understanding TO270 Packaging TO270 packaging represents…
What made you select the Qorvo ACT43950 as product to feature? How does this product differentiate from others and what value does it offer?The Qorvo ACT43950 is a high voltage DC-DC constant-current (cc) regulator intended for battery and capacitor charging applications. This device has a wide input voltage range of 180V – 400V with fully programmable output setpoints of constant-current targets, along with full-charge and refresh-charge voltages. Employing a Qorvo proprietary hysteretic mode control, the device offers high conversion efficiency and stable charging. Additionally, the regulator provides circuit blocks for over-voltage, under-voltage, over-temp and IC pin open/short errors. Lastly, the…
Traditional base-station RF power amplifiers (Figure 1) utilize a variety of different technologies and operating conditions to balance different performance parameters. One of the most common challenges in achieving optimal performance involves finding the balance between linearity and efficiency. The key drivers for balancing linearity with efficiency, in order of importance, are: Determining between GaN, LDMOS, or SiGe as the optimal technology for your device. The specific class of device operation, ranging from Class A, AB, C, or E. Considering the configuration of circuit topology (Single-Ended, Push-Pull, or Doherty). The strategic management of back-off ratios from the P1dB compression point.…
What made you select the XMA Cryogenic Attenuators as featured products? How do these products offer value ? The Cryogenic line of Attenuators from XMA is the epitome of purposeful design. By understanding how the resistive attenuation generates heat in the Quantum Computing environment of millikelvin temperatures, they have chosen materials and structures which disperse the heat through attenuator body rather than the coaxial lines. These components dissipate the generated heat into the immediate environment rather than off-loading it into the coaxial cables to be carried to other chambers and interfering with the Quantum Processor. Learn more about Quantum Computing and…
Quantum computing is one of the most powerful tools developed in the past few decades. Quantum computers (QCs) solve otherwise unsolvable problems in physics and mathematics, all because of the unique properties of their design and construction. To understand why a QC works so effectively we’ll dive briefly into what quantum computing is, why cryogenics are essential in quantum computing design, and what qubits are and how they are used. Additionally, we’ll discuss a critical design piece that doesn’t get talked about as much: the importance of interconnect components in quantum computing designs.If you work in RF and Microwave you…
We would like to extend a big “thank you!” to our suppliers who participated in our RFMW supplier showcase this year at IMS 2023. This showcase represents a mixture of the leading products and product lines currently available in the RF and Microwave industry. RFMW Supplier Showcase at IMS 2023 3DRFE – Featured products included the P25A and M2410A RF Generators Akoustis is a high-tech BAW RF filter solutions company that is pioneering next-generation materials science to address the market requirements for improved RF filters. Featured products include the A10159 5.9 GHz BAW Filter, A10655 and A10665 Wi-Fi 6E&7 BAW Filters,…
Article By Microchip Product Manager Baljit Chandhoke RF systems need power amplifiers (PAs) to deliver linear efficient high output power. As systems move to higher-order modulation schemes such as 64/128/256 Quadrature Amplitude Modulation (QAM), they also must deliver high linearity and efficiency in denser environments with stringent peak-to-average power ratio (PAPR). This performance is critical in Aerospace & Defense (A&D), Satellite Communications (Satcom) and 5G Communications. A new generation of Gallium Nitride (GaN) on Silicon Carbide (SiC) Monolithic Microwave Integrated Circuits (MMIC) PAs offers a solution to these challenges with the highest power density to generate high linear output power with high…