I am 12 years HW RF engineer who developed the mobile phone. Development field that is AMPS, CDMA, WCDMA, GSM, LTE Connectivity field is applied to the model and a WIFI a / b / g / n, GPS, NFC applies to models that have been developed. Each model is applied to the domestic carrier SKT, KT, LGT and in the export experienced a verizon carrier. Role within the Project was initially the Line-up matching the Main RF TX / RX for satisfying 3GPP, 3GPP2 and carrier spec. Since there was an adjustment to the RF performance RF Calibration NV item.
RF PCB Design is main role in my project too. It is example as 50 ohm line design(CPW/Strip line and so on), USB line design, to arrange the gnd for a...