Junho CHOI


A Switchable Circular Polarization Microstrip Antenna Using a Varactor Diode
Tae-Hak LEE Jung-Woo BAIK Junho CHOI Young-Sik KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/11/01
Vol. E95-B  No. 11  pp. 3597-3600
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
reconfigurable antennavaractor tuning diodecircular polarization
 Summary | Full Text:PDF(1.3MB)

Compact Circularly Polarized Microstrip Antennas Using EM Coupled Loop Resonators
Junho CHOI Seongmin PYO Sang-Min HAN Young-Sik KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Vol. E93-B  No. 10  pp. 2658-2661
Type of Manuscript:  Special Section LETTER (Special Section on Advanced Technologies in Antennas and Propagation in Conjunction with Main Topics of ISAP2009)
Category: Antennas
Keyword: 
microstrip antennacircular polarizationcoupled feedring resonator
 Summary | Full Text:PDF(693.6KB)