Title :
A 77 GHz coplanar waveguide MMIC BPSK vector modulator realised using InP technology
Author :
Lodhi, T. ; Edgar, D.L. ; McLelland, H. ; Ferguson, S. ; Elgaid, K. ; Stanley, C.R. ; Thayne, I.G.
Author_Institution :
Dept. of Electron. & Electr. Eng., Glasgow Univ., UK
Abstract :
This paper presents results of a 77 GHz Coplanar Waveguide (CPW) Monolithic MilliMetre-wave Integrated Circuit (M/sup 3/IC) BPSK vector modulator which is, to our knowledge the first demonstration of a CPW-based W-band direct carrier frequency modulator on InP technology. The circuit, which employs a balanced reflection topology, was realised using a 0.12 /spl mu/m InP lattice matched HEMT M/sup 3/IC process. The circuit demonstrates an on-off isolation of greater than 25 dB and 180 degrees of phase shift between its ON states.
Keywords :
HEMT integrated circuits; III-V semiconductors; coplanar waveguide components; field effect MIMIC; indium compounds; modulators; phase shift keying; 0.12 micron; 77 GHz; BPSK vector modulator; InP; InP HEMT M/sup 3/IC technology; W-band; balanced reflection topology; coplanar waveguide MMIC; direct carrier frequency modulator; lattice matched process; on-off isolation; phase shift; Binary phase shift keying; Coplanar waveguides; Frequency modulation; Indium phosphide; Integrated circuit technology; Isolation technology; MMICs; Millimeter wave technology; Monolithic integrated circuits; Reflection;
Conference_Titel :
GaAs IC Symposium, 2000. 22nd Annual
Conference_Location :
Seattle, WA, USA
Print_ISBN :
0-7803-5968-2
DOI :
10.1109/GAAS.2000.906319
