DESIGN OF SUB-HARMONIC MIXER MMIC FOR EHF SATELLITE LINKS | Zendy

Diego Palombini | Zendy; T. Cavanna | Zendy; Sergio Arena | Zendy; Ernesto Limiti | Zendy

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DESIGN OF SUB-HARMONIC MIXER MMIC FOR EHF SATELLITE LINKS

Author(s) -

Diego Palombini,

T. Cavanna,

Sergio Arena,

Ernesto Limiti

Publication year - 2016

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc16022906

Subject(s) - monolithic microwave integrated circuit , satellite , harmonic , communications satellite , electrical engineering , electronic engineering , engineering , telecommunications , computer science , physics , aerospace engineering , acoustics , amplifier , cmos

This paper presents the design flow of a compact GaAs MMIC for Extremely High Frequency (EHF) satellite communications. The proposed circuit enables sub-harmonic mixing capability and integrates a LO buffering section, thus allowing for low frequency and low power reference signal interface. Circuit design is described in detail providing a comprehensive view of the followed theoretical approach, starting from mixer core definition until the complete synthesis of LO/RF/IF interfaces. In particular, the design flow of an innovative three-conductor Marchand balun is deeply analysed. Fabricated MMIC operates in the 43.5–50 GHz band and results in a compact layout (2.4×2.4mm2) featuring a port-to-port isolation better than 25 dB with a typical conversion loss of 12 dB.

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