Le Zhang

Working as a RF design engineer in the RF Site Hardware team, main responsibility include designing, developing, and testing company next generation's transceiver subsystem such as amplifiers, transimitter, receivers, VCO’s and PLL’s. Developing an RF circuit for the next generation of infrastructure products operating in the VHF through 900 MHz bands, supporting field issues or end-of-life components related to RF circuits on legacy products and working corporately with other team include software, digital teams to complete the development project on time.

Work as a RF design engineer in engineering R&D team on the development of new RF hardware production's design, document and architect. Detail jobs include:

• Help design digital to analog and analog to digital system.
• Using modeling software to simulate, analysis and design the RF circuit or system. (Such as relative RF filter, amplifier and RF node)
• Using PCB design software to build real RF production board.
• Write test specifications and test instructions for hardware development and manufacturing.
• Write engineering design specification documents for RF Nodes, amplifiers and systems, architectures, and products.
• Help develop or write relative RF test or control program.
• Build and test hardware for EVT and DVT development stages.

Work as a RF compliance & test engineer in lab's EMC department. Main responsibilities include different clients' samples unlicensed and licensed relative testing such as WiFi, Bluetooth, LTE & GSM etc, tested information & data collecting,researching and analyzing under FCC rules, assist designing testing plan and troubleshooting relative signal issue, providing the preliminary report of the industry development trend and user's preference, which are essential for the Cooper company to determine the product development charter, the key market competitive advantage of the company.

Working as an RF engineer in the company's Telecommunication Radio Frequency department. Main responsibilities include spectrum data testing and analyzing, working on the different region or states' T-Mobile, At&T and Verizon's base stations problems including interference issues hunting and internal or PIM issues solving on different frequency bandwidths including LTE, AWS,UMTS and PCS by using RF test equipment include spectrum analyzer, RF filter etc.