Hong-Gu Ji

Stability Improvement of 60 GHz Narrowband Amplifier Using Microstrip Coupled Lines

Woojin Chang, Ho-Kyun Ahn, Haecheon Kim, 2009 .

Low Noise and Power Amplifier Modules for 60 ㎓ Wireless Personal Area Network Applications

Dong-Young Kim, Haechoen Kim, Woojin Chang, 2006 .

Experimental Study on Isolation Characteristics Between Adjacent Microstrip Lines Employing Periodically Perforated Ground Metal for Application to Highly Integrated GaAs MMICs

Young Yun, Ji-Won Jung, Ho-Kyun Ahn, 2007, IEEE Microwave and Wireless Components Letters.

A Comparative Study of a Dielectric-Defined Process on AlGaAs/InGaAs/GaAs PHEMTs

Woojin Chang, Jae-Kyoung Mun, Haecheon Kim, 2005 .

0.12 μm Gate length t-shaped AlGaAs/InGaAs/GaAs pseudomorphic high-electron-mobility transistors fabricated using a plasma-enhanced chemical vapor deposited silicon-nitride-assisted process

Woojin Chang, Jae-Kyoung Mun, Haecheon Kim, 2004 .

Design and fabrication of pHEMT MMIC switches for IEEE 802.11.a/b/g WLAN applications

Haecheon Kim, Hong-Gu Ji, C. Park, 2005 .

Fabrication and characteristics of 0.12 µm AlGaAs/InGaAs/GaAs pseudomorphic HEMT using a silicon nitride assisted process

Woojin Chang, Jae-Kyoung Mun, Haecheon Kim, 2004 .