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High-gain cascode MMIC's in coplanar technology at W-band frequencies

W-Band Kaskoden MMICs mit großer Verstärkung auf der Basis von Koplanar Technologie
 

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IEEE Microwave and Guided Wave Letters 8 (1998), No.12, pp.430-431 : Ill., Lit.
ISSN: 1051-8207
English
Journal Article
Fraunhofer IAF ()
cascode; coplanar waveguide; Kaskode; koplanarer Wellenleiter; MMIC; PM-HEMT; W-band

Abstract
Compact high-gain W-band multistage amplifier MMIC's have been developed in coplanar technology using 0.15- mu m AlGaAs/InGaAs/GaAs PM-HEMT's. The conventional dual-gate HEMT has been modified to include an additional interstage network between the common-source and the common-gate HEMT. The effect of stabilizing circuit elements has been investigated. A gain of 10 dB per cascode stage is obtained at 94 GHz. Multistage amplifier MMIC's with up to 40-dB gain have been realized.

: http://publica.fraunhofer.de/documents/PX-17078.html