*RF circuit design
*AlGaAs HBT power amplifier RFIC design
*LTCC IPD RF design
*EMI common filter design with process of Thin film, LTCC ferrite /ceramic cofiring. application for usb2,hdmi,mipi,usb3.1/hdmi2.0..
*ESD protection device study and applicatiom in high speed IO and RF frontend.
*RF VNA/ENA measurement and calibration, multiport deembedding technology developing
*RF modeling extraction of active HBT and passives. (Thin film, ltcc, HF inductor, capacitor...)
*wafer probing automation in RD and production level
*SMD RF filter automation, production integration(LTCC, SAW, ....)
* Ethernet LAn transformer and EMI common mode filter design for 2.5G,5G,10G app. (currently)
* RFI fi...