Miniaturised broadband on-chip transformer employing PPGM on MMIC for application to low impedance transformation |
| |
Authors: | Yun Y |
| |
Affiliation: | Dept. of Radio Sci. & Eng., Korea Maritime Univ., Busan, South Korea; |
| |
Abstract: | Using a microstrip line employing periodically perforated ground metal (PPGM) on a GaAs monolithic microwave integrated circuit (MMIC), a highly miniaturised and broadband impedance transformer was developed for application to low impedance matching in broadband. Its size was 0.132 mm/sup 2/ on GaAs substrate, which was 2.3% of the one fabricated by a conventional microstrip line. The transformer showed good RF performance over a broadband including ultra-wideband. This is the first report of an on-chip broadband impedance transformer fabricated on MMIC. |
| |
Keywords: | |
|
|