A 0.5-3 GHz high linearity enhancement mode pHEMT mixer with square wave drive and sum terminating diplexer

Author

Vice, M.

Author_Institution

WSD R&D, Agilent Technol., Inc, San Jose, CA, USA

fYear

2003

fDate

9-12 Nov. 2003

Firstpage

52

Lastpage

55

Abstract

A 0.5-3 GHz high linearity single balanced mixer has been developed using 0.5 /spl mu/m enhancement mode pHEMT technology. Features of the design include an integral LO buffer amplifier-active balun with drive waveshaping and a sum terminating diplexer that work together to provide an input third order intercept point of +30 dBm from a drive level of only -3dBm. The ideal mixing device drive waveform provides very low conversion loss and excellent LO drive saturation characteristics. The mixer operates from a 3-5 V supply and consumes 21 mA.

Keywords

HEMT integrated circuits; MMIC mixers; UHF mixers; baluns; field effect MMIC; multiplexing equipment; 0.5 to 3 GHz; base station mixers; drive saturation characteristics; drive waveshaping; enhancement mode pHEMT technology; high linearity mixer; input third order intercept point; integral LO buffer amplifier-active balun; single balanced mixer; square wave drive; sum terminating diplexer; Admittance; Diodes; FETs; Impedance matching; Linearity; Nonlinear distortion; PHEMTs; Radio frequency; Switches; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Gallium Arsenide Integrated Circuit (GaAs IC) Symposium, 2003. 25th Annual Technical Digest 2003. IEEE

Conference_Location

San Diego, CA, USA

ISSN

1064-7775

Print_ISBN

0-7803-7833-4

Type

conf

DOI

10.1109/GAAS.2003.1252361

Filename

1252361