Low noise high linearity ultra broadband monolithic amplifier using travelling-wave gain stages

Author

Barajas, Enrique ; Aja, Beatriz ; De la Fuente, M. Luisa ; Pascual, Juan Pablo ; Artal, Eduardo

Author_Institution

Departamento Ingenieria de Comunicaciones, Univ. de Cantabria, Santander, Spain

Volume

2

fYear

2005

fDate

4-6 Oct. 2005

Abstract

A 2-20 GHz two-cascaded dual stage MMIC distributed amplifier (2-CDSDA) is presented in this paper. It consists of two cascaded dual-stage distributed amplifiers in order to achieve flat gain, good terminal match, low noise figure and high output power level. The topology of this amplifier joins the best features of the conventional distributed amplifiers and the cascaded distributed amplifiers. The measured small signal gain was 17 ± 0.57 dB from 2 to 20 GHz. A minimum noise figure of 3 dB was achieved while a 14.9 dBm of output power was measured at the 1-dB compression point. The amplifier has been fabricated using the D01PH process provided by OMMIC. The chip size is 2 × 1.5 mm².

Keywords

HEMT integrated circuits; MMIC amplifiers; distributed amplifiers; network topology; travelling wave amplifiers; wideband amplifiers; 1.5 mm; 2 mm; 2 to 20 GHz; 3 dB; 3 mm; D01PH process; MMIC distributed amplifier; amplifier topology; dual stage distributed amplifier; pseudomorphic high electron mobility transistors; travelling-wave gain stages; two-cascaded distributed amplifier; ultra broadband monolithic amplifier; Broadband amplifiers; Distributed amplifiers; Linearity; Low-noise amplifiers; MMICs; Noise figure; Power amplifiers; Power generation; Semiconductor device measurement; Topology;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference, 2005 European

Print_ISBN

2-9600551-2-8

Type

conf

DOI

10.1109/EUMC.2005.1610120

Filename

1610120