Title :
CPW fed MMIC slot dipole for MM-wave applications
Author :
Padhi, S.K. ; Karmakar, N.C. ; Law, C.L.
Author_Institution :
GPS Center, Nanyang Technol. Univ., Singapore, Singapore
Abstract :
This paper presents a comprehensive parametric study of an inductively coupled CPW fed slot dipole antenna on GaAs substrate for MMIC applications. The study includes return loss, impedance bandwidth, broadside gain, radiation pattern and front to back (F/B) ratio. It is observed that for given slot dimensions, the feed inset tremendously changes both resonant frequency and input match. Calculated and measured RL and gain patterns are compared at 24 GHz ISM band. The manufactured antenna resonates at 22.4 GHz with a 6.1% impedance bandwidth and an 84° 3 dB beamwidth in H-plane.
Keywords :
MMIC; antenna feeds; antenna radiation patterns; coplanar waveguides; dipole antenna arrays; gain measurement; gallium arsenide; impedance matching; millimetre wave antenna arrays; slot antenna arrays; 22.4 GHz; 24 GHz; CPW feed; F/B ratio; GaAs; GaAs substrate; ISM band; MM-wave applications; MMIC slot dipole; broadside gain; feed inset; front to back ratio; gain patterns; impedance bandwidth; inductively coupled dipole antenna; input match; radiation pattern; resonant frequency; return loss; Antenna radiation patterns; Bandwidth; Coplanar waveguides; Dipole antennas; Feeds; Gallium arsenide; Impedance; MMICs; Parametric study; Slot antennas;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2002. IEEE
Print_ISBN :
0-7803-7330-8
DOI :
10.1109/APS.2002.1016335
