Compact monolithic coplanar 94 GHz front ends
- 1 January 1997
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 3 (0149645X) , 1281-1284
- https://doi.org/10.1109/mwsym.1997.596561
Abstract
Fully integrated W-band 94 GHz heterodyne receivers in coplanar 0.15 /spl mu/m AlGaAs/InGaAs/GaAs PM-HEMT technology are described. The MMICs consist of a multistage low noise RF amplifier, a mixer, and an LO buffer amplifier. Balanced diode and single ended resistive HEMT mixers were investigated. A conversion gain of 13 dB and a DSB noise figure of 6.5 dB were obtained with a very compact 1/spl times/4 mm/sup 2/ front end MMIC, employing cascode amplifiers and balanced rat race diode mixer. The chip size is substantially less than that of any receiver chip published to date.Keywords
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