W-band cascode amplifier modules for passive imaging applications

Autor: M. Neumann, Axel Tessmann, W.H. Haydl, J. Rudiger
Přispěvatelé: Publica
Rok vydání: 2000
Předmět:
Zdroj: IEEE Microwave and Guided Wave Letters. 10:189-191
ISSN: 1558-2329
1051-8207
DOI: 10.1109/75.850373
Popis: W-band amplifier modules with high gain and large bandwidth have been developed for passive imaging applications, With three cascaded waveguide modules, an average small-signal gain of 60 dB and a /spl plusmn/3 dB bandwidth of 15 GHz was achieved centered around 93 GHz. The assembled three-stage amplifier monolithic microwave integrated circuits are realized in coplanar technology for compact size and low cost. Cascode devices, based on a 0.15 /spl mu/m AlGaAs/lnGaAs/GaAs pseudomorphic high electron mobility transistor technology allow for individual gain control of the stages by varying the second gate voltage.
Databáze: OpenAIRE