Dal AHN


A Design of Dual Band Amplifiers Using CRLH Transmission Line Structure
Jongsik LIM Yuckhwan JEON Sang-Min HAN Yongchae JEONG Dal AHN 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/05/01
Vol. E95-C  No. 5  pp. 964-967
Type of Manuscript:  BRIEF PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
composite right/left handedCRLHamplifiers
 Summary | Full Text:PDF(1.3MB)

A Power Divider with Adjustable Dividing Ratio
Jongsik LIM Seongmin OH Jae-Jin KOO Yongchae JEONG Dal AHN 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/03/01
Vol. E91-C  No. 3  pp. 389-391
Type of Manuscript:  LETTER
Category: Microwaves, Millimeter-Waves
Keyword: 
defected ground structureDGSpower dividers
 Summary | Full Text:PDF(219.9KB)

Improvement in Performance of Power Amplifiers by Defected Ground Structure
Jong-Sik LIM Yong-Chae JEONG Dal AHN Sangwook NAM 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/01/01
Vol. E87-C  No. 1  pp. 52-59
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
defected ground structureDGSpower amplifiersharmonic rejectionharmonic tuning
 Summary | Full Text:PDF(2MB)