AE for Multiphase controller, Voltage mode, non-linear PID.

Technical leader to Ericsson/BJ branches of other telephony companiesResponse for Power supply ASICs for Ericsson China, such as MOSFETs, controllers, Powerstages, PoLs, VR13 telecom power supply.Response for Inspur server VR13, VR13HC power solution.

Radio design - TRX design

As senior FAE, mainly in charge of technology promotion, field application support to customer; response for customer requirement collection and fulfillment together with headquarter R&D;Related to the ASIC: RF (e.g. mixer, RFPAL), system clock (eg, synthesizer, TDMoIP), on board power design (e.g. DC – DC, power management), connector (e.g. USB, E1/T1), signal integrity (eg. EQ),Led below projects while was working as Senior FAE: RF projects:1. sync module IC design for Ericsson, responsible for RFIC design and application support. 2. RF PA APD pre-develop project in Ericsson, responsible for APD application;3. RF PA APD design for Nokia small cell project, responsible for small cell APD application;4.Mixer IC design for Datang and Ericsson, following up the performance test and application support;TDMoIP and system clock products projects:1. GPON （Gigabit-Capable PON）project. 2. Marconi (one company of Ericsson) Optical Multi Service family of oms846，oms860，oms1010 project and oms1410，oms1460, oms1480 projects: 3. Microwave Baseband LTUB32 project4. other projects with TDMoIP.5. BITS products in oms and SPR family products.on board power design projects:1. Multi-phase power design in Ericsson and Huawei.2. PoE design in Ericsson.3. Isolated power design for Ericsson. 4. Small current PoL and LDO design in Ericsson.Signal Integrity products: 1. Equalizer design in HuaWei and Hua3com for product lines of digital and optical, following up the performance test and application support;

designed the Auto test system for power module.

400w AC-DC power (220v AC to -48v DC) design verification test.