94-GHz MMIC CPW low-noise amplifier on InP

Gilles Dambrine; Virginie Hoel; Samuel Boret; Bertrand Grimbert; Sylvain Bollaert; Xavier Wallart; Sylvie Lepilliet; Alain Cappy

doi:10.1117/12.373017

13 December 1999 94-GHz MMIC CPW low-noise amplifier on InP

Gilles Dambrine, Virginie Hoel, Samuel Boret, Bertrand Grimbert, Sylvain Bollaert, Xavier Wallart, Sylvie Lepilliet, Alain Cappy

Author Affiliations +

Proceedings Volume 3861, Gigahertz Devices and Systems; (1999) https://doi.org/10.1117/12.373017
Event: Photonics East '99, 1999, Boston, MA, United States

Abstract

High performances have been achieved at W-band with a 2- stage, 0.1 micrometers gate-length InGaAs/InAlAs/InP LM-HEMT MMIC low noise amplifier in coplanar technology. To obtain the T- gate profile, we use silicon nitride Si_xN_y technology, which leads to naturally passivated devices. For a drain-to-source current Ids equals 350 mA/mm the devices demonstrate a maximum intrinsic transconductance Gm of 1600 mS/mm and an intrinsic current gain cutoff frequency Fc equals 220 GHz. The extrinsic current gain cut-off frequency Ft is 175 GHz. The LNA shows a minimum noise figure of 3.3 dB with an associated gain of 11.5 dB at 94 GHz.

Citation Download Citation

Gilles Dambrine, Virginie Hoel, Samuel Boret, Bertrand Grimbert, Sylvain Bollaert, Xavier Wallart, Sylvie Lepilliet, and Alain Cappy "94-GHz MMIC CPW low-noise amplifier on InP", Proc. SPIE 3861, Gigahertz Devices and Systems, (13 December 1999); https://doi.org/10.1117/12.373017

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