Main contribution: 1. Designed and optimized WiFi7 RF circuits and compliance with wireless standards. 2. Evaluated alternative components to ensure compatibility and performance. 3. Performed unwanted emission verification prior to product certification. 4. Performed detailed failure symptom investigation to support corrective actions and design improvements. 5. Researched and analyzed regulations in depth to ensure product compliance.

Main contribution: 1. Designed and optimized RF circuits for base stations, enhancing communication performance. 2. Executed evaluation of RF components (PA, LNA) on EVB for design validation. 3. Performed performance measurement and optimization of RF components, enhancing system reliability and efficiency. 4. Reviewed customer designs and proposed optimizations to enhance performance and compliance. 5. Conducted link budget estimation to optimize RF system performance.

Main contribution: 1. Designed and optimized RF circuits for smartphones and tablets, enhancing wireless performance. 2. Performed calibration and parameter tuning for RF circuits to optimize performance. 3. Set up and managed Sub-6G test environments, providing technical guidance and training. 4. Performed detailed analyses of design requirements, ensuring full compliance with technical specifications and project objectives.

Main contribution: 1. Performed schematic and PCB layout reviews, providing recommendations for improvement. 2. Checked and confirmed operator band configurations to ensure proper RF circuit design. 3. Executed XPT characterization and adjusted calibration parameters for RF circuit optimization. 4. Performed industry trend analysis to identify opportunities and market direction.

Main contribution: 1. Developed and optimized RF circuits for smartphones and CPE, enhancing wireless connectivity and device performance. 2. Performed Sub-6G matching tuning, characterization, calibration, verification, and optimization to enhance RF performance. 3. Conducted thorough reviews and analyses of design requirements, offering actionable recommendations for project evaluation and design enhancements. 4. Supported JRF certification processes, ensuring compliance with regulatory and technical requirements.

Main contribution: 1. Performed RF circuit design for CPE and smartwatch products, optimizing signal integrity and device performance. 2. Planned and coordinated RF part placement with layout engineers to improve design efficiency and reliability. 3. Performed schematic and PCB layout reviews, providing recommendations for improvement. 4. Performed performance debugging of DR components to identify and resolve issues. 5. Conducted WiFi calibration and parameter optimization for enhanced device performance.

Main contribution: 1. Executed schematic design and optimized placement of RF components, ensuring high-quality circuit performance. 2. Reviewed RF schematics and layouts, providing recommendations to improve design quality and performance. 3. Performed third-party evaluation of RF chips to ensure compliance with design requirements. 4. Calculated and analyzed link budget for T/Rx paths to optimize system performance. 5. Conducted matching network adjustments to ensure optimal RF performance. 6. XPT char generated and calibration parameters optimize. 7. Executed measurement and analysis of T/Rx performance to drive design improvements. 8. Performed detailed failure symptom investigations to support corrective actions and drive design improvements. 9. Performed troubleshooting during pilot runs and mass production, ensuring high product quality and process reliability. 10. Provided technical support to ensure successful project certification and compliance with standards. 11. Conducted research on new technologies to support RF product development and innovation.

Main contribution: 1. Developed CMOS RF circuits for LNA, PA, Mixer, and VCO within Bluetooth chipsets to ensure high-performance wireless connectivity. 2. Reviewed RF layouts of BT chipsets, ensuring high-performance design. 3. Replaced square inductors with octagonal inductors, enhancing quality factor and RF circuit performance. 4. Conducted performance measurements to identify improvement opportunities and optimize circuit performance. 5. Simulation tools: ADS and SpectreRF.

Main contribution: 1. Implemented BJT LNA design for multi-GNSS systems, optimizing noise figure and gain for high-quality signal reception. 2. Conducted tuning and C/N measurement for RF circuits, supporting design verification and performance optimization.