In the past nine years, Dr. Ma Jun has served as a senior technician, system engineering manager, and company founding team member at Motorola R&D Center in the United States, Broadcom in the United States, Shanghai Yushuo Technology, and As the main system architect of Newport Media Corporation in the United States, he participated in and presided over the successful design of four large-scale broadband communication physical layer baseband chips: Cable Modem (DOCSIS Cable Modem Headend Receiver), Gigabit Ethernet ( Gigabit Ethernet PHY), European digital mobile TV (DVB-T/H), Japanese digital mobile TV (ISDB-T/Tsb) chip. ISDB-T/Tsb digital mobile TV chip is the first digital mobile multimedia broadcast TV chip for Japan The system's CMOS is a SoC chip that integrates radio frequency, mixing, and digital baseband demodulation.
Dr. Ma Jun also worked briefly at Delft University in the Netherlands and Lucent Bell Laboratories in the United States.
In April 2008, Dr. Ma Jun became a professor at the School of Microelectronics, Shanghai Jiao Tong University.
Dr. Ma Jun has published 18 papers in IEEE first-class academic journals and conferences, in Wireless Applied for 21 US patents in the field of broadband communications.