Title :
A high-power W-band quasi-optical frequency tripler
Author :
Hacker, J.B. ; Sailer, A.L. ; Brar, B. ; Nagy, G. ; Pierson, R.L.Jr. ; Higgins, J.A.
Author_Institution :
Rockwell Sci. Center, USA
Abstract :
A monolithic W-band quasi-optical array consisting of 196 heterostructure barrier varactors mounted in a waveguide has produced 684 mW of CW output power with a peak conversion efficiency of 11.3% at 93 GHz. The compact 32 mm/sup 2/ array was fabricated using two-barrier twin-mesa varactors with InGaAs/InAlAs/AlAs barriers on a lattice-matched InP substrate. Device measurements demonstrate low series resistance and high cutoff frequency. Simulations show even greater output power and efficiency can be achieved by increasing the device density in the array.
Keywords :
MIMIC; coplanar waveguide components; frequency multipliers; integrated circuit design; integrated circuit measurement; integrated circuit modelling; millimetre wave generation; varactors; 11.3 percent; 684 mW; 93 GHz; CPW; CW output power; InGaAs-InAlAs-AlAs-InP; array device density; cutoff frequency; high-power W-band quasi-optical frequency triplers; monolithic quasi-optical varactor arrays; peak conversion efficiency; series resistance; two-barrier twin-mesa varactors; waveguide mounted heterostructure barrier varactors; Cutoff frequency; HEMTs; High power amplifiers; Indium gallium arsenide; Indium phosphide; Power amplifiers; Power generation; Pulse amplifiers; Solid state circuits; Varactors;
Conference_Titel :
Microwave Symposium Digest, 2003 IEEE MTT-S International
Conference_Location :
Philadelphia, PA, USA
Print_ISBN :
0-7803-7695-1
DOI :
10.1109/MWSYM.2003.1210518
