Dalena Nguyen’s Post

What is the radiation pattern of the antenna array shown? - Each square is an omnidirectional antenna - 6 antenna linear array along X-axis - Phase of each signal fed to antenna element is shown below the square - Antenna spacing is half wavelength A or B? Follow me (🔔) for posts on RF engineering. Repost (♻️) if you found it interesting.

It's #TopicTuesday! RF engineers are electronic engineers whose focus is in the area of Radio Frequency (RF) circuit and system development. While there are a great many sub-disciplines to be found, the common aspect of RF engineering is that we work specifically with an eye towards the realization of a product that uses radio frequency or wireless signals. #RFengineering

This video is a part of the webinar series ‘Radio Engineering and Antennas’ that is intended as a ready reference, and a one-stop source for wireless communications professionals, practicing telecommunication engineers, technology professionals, engineering graduates and students. The guiding principle in these webinars is, to provide a simplified understanding of various concepts in the field of wireless communications, with a special emphasis on their practical application to the wireless communication standards that are practiced currently around the world, such as WiFi, WiMax, GSM, CDMA, and LTE. The general flow of various topics is to begin with a review of the basics, and then move on to current application of wireless technologies through practical examples and illustrations. These webinars serve as an excellent companion to the book 'Radio Engineering and Antennas' published by me. The book is available for purchase on amazon.com in print and kindle editions. The book and the webinars can be used in conjunction to study for the ‘Radio Engineering and Antennas’ section of the IEEE WCET (Wireless Communication Engineering Technologies) certification exam.

RF Transceiver Design and Antenna Integration

This video is a part of the webinar series ‘Radio Engineering and Antennas’ that is intended as a ready reference, and a one-stop source for wireless communications professionals, practicing telecommunication engineers, technology professionals, engineering graduates and students. The guiding principle in these webinars is, to provide a simplified understanding of various concepts in the field of wireless communications, with a special emphasis on their practical application to the wireless communication standards that are practiced currently around the world, such as WiFi, WiMax, GSM, CDMA, and LTE. The general flow of various topics is to begin with a review of the basics, and then move on to current application of wireless technologies through practical examples and illustrations. These webinars serve as an excellent companion to the book 'Radio Engineering and Antennas' by Iqbal Singh Josan, P.E. (Author). The book is available for purchase on amazon.com in print and kindle editions. The book and the webinars can be used in conjunction to study for the ‘Radio Engineering and Antennas’ section of the IEEE WCET (Wireless Communication Engineering Technologies) certification exam.

Embedded systems in the #aerospace domain demand a complex blend of performance, reliability, and energy efficiency. #FPGAs play a crucial role in enabling electronic circuit customization to meet the specific requirements of these applications. However, one of the major challenges faced by #aerospace system designers is the management of timing constraints in #FPGA implementations. 1. Stringent Requirements of #Aerospace Applications: Aerospace applications, whether related to navigation, communication, or control systems, impose strict #temporal constraints. #FPGAs are often employed to implement intricate algorithms requiring real-time processing. Any deviation from timing constraints can have severe consequences, jeopardizing the safety and reliability of space missions. 2. Balancing Flexibility and #Timing #Constraint Dilemma: One key feature of #FPGAs is their reconfigurability to address the evolving needs of #aerospace systems. However, this flexibility may lead to trade-offs in terms of timing constraints. Designers must strike a balance between #FPGA programmability and ensuring critical deadlines are met. 3. Parallel Design and High-Level Synthesis: To achieve the required performance, #aerospace designers often employ parallel design techniques and high-level synthesis. These approaches optimize performance without sacrificing #FPGA flexibility. However, managing timing constraints remains a challenge, as these complex techniques can sometimes yield designs that are challenging to synchronize. 4. Effects of Temperature Variation and Radiation: #Aerospace systems are exposed to extreme environmental conditions, including temperature variations and radiation. These factors can impact the performance of electronic components, including #FPGAs. Designers must account for these variations to ensure #timing #constraints are met throughout the space mission. Managing #timing constraints in #FPGAs for #aerospace applications is a complex challenge that requires a deep understanding of the specific requirements of these systems. Designers must navigate the flexibility of FPGAs, strict timing requirements, and environmental constraints to ensure reliable and optimal performance. By overcoming these challenges, #FPGAs will continue to play a crucial role in advancing #aerospace technologies. LaRocheNoire Technology

The X-band slotted waveguide marine radar antenna, operating in the frequency range of 8–12 GHz, emits a focused, vertically oriented fan-shaped beam of microwaves. As the ship rotates, this antenna scans the entire 360° water surface around it. 🚢🌊📡  #satellite #RF #microwave #telecommunications #electrical #electronics #engineering #linkedin #innovation #technology #creativity #education #networking

Want to know how HDL code generation and verification can be applied to SatCom?? Then read on ....... Thales Alenia Space harnessed Model-Based Design for quicker FPGA code generation & verification, cutting down development time for space tech. #ModelBasedDesign #AerospaceEngineering

RF Engineers, 𝐀𝐫𝐞 𝐃𝐔𝐏𝐋𝐄𝐗𝐄𝐑 𝐚𝐧𝐝 𝐃𝐈𝐏𝐋𝐄𝐗𝐄𝐑 𝐭𝐡𝐞 𝐬𝐚𝐦𝐞? 🤔 Understanding the distinction between these two crucial components in RF design can significantly enhance your system's performance. Here's a quick breakdown: Key Differences: Function: Duplexer: Separates transmit and receive signals. 📶 Diplexer: Separates signals based on frequency. 📡 Operation: Duplexer: Isolates transmit and receive paths using filters or circulators. 🔄 Diplexer: Separates different frequency bands using frequency-select filters. 🔀 Applications: Duplexer: Used in radio, radar, and cellular systems. 📱 Diplexer: Used in satellite, broadcasting, and wireless systems. 📡 Duplexer is a three-port device allowing a transmitter and a receiver to share a common antenna, operating on different frequencies. It's essential for simultaneous transmission and reception, providing frequency separation and isolation to prevent interference. Diplexer is a three-port device (two inputs, one output, or vice versa) that combines or splits signals based on frequency. It enables a single antenna to be used for multiple frequency bands, ideal for multiband wireless communication systems. Understanding these components can make a big difference in your RF design projects. Happy designing! 🚀 #RFEngineering #Duplexer #Diplexer #WirelessCommunication #RFDesign #Telecommunications

This video is a part of the webinar series ‘Radio Engineering and Antennas’ that is intended as a ready reference, and a one-stop source for wireless communications professionals, practicing telecommunication engineers, technology professionals, engineering graduates and students. The guiding principle in these webinars is, to provide a simplified understanding of various concepts in the field of wireless communications, with a special emphasis on their practical application to the wireless communication standards that are practiced currently around the world, such as WiFi, WiMax, GSM, CDMA, and LTE. The general flow of various topics is to begin with a review of the basics, and then move on to current application of wireless technologies through practical examples and illustrations. These webinars serve as an excellent companion to the book 'Radio Engineering and Antennas' by Iqbal Singh Josan, P.E. (Author). The book is available for purchase on amazon.com in print and kindle editions. The book and the webinars can be used in conjunction to study for the ‘Radio Engineering and Antennas’ section of the IEEE WCET (Wireless Communication Engineering Technologies) certification exam.