Compact Q‐band three‐conductors balun

Palombini, Diego; Cavanna, T.; Arena, Sergio; Limiti, Ernesto

doi:10.1002/mop.29732

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2016

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“…Schematic depiction of the complete RF three-conductors balun can be found in Fig. 8, while reference [30] provides a more detailed balun analysis with measurements comparison on a dedicated test cell.…”

Section: Rf Sectionmentioning

confidence: 99%

Design of Sub-Harmonic Mixer Mmic for Ehf Satellite Links

Palombini¹,

Cavanna²,

Arena³

et al. 2016

PIER C

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Abstract-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 × 2.4 mm 2 ) featuring a port-to-port isolation better than 25 dB with a typical conversion loss of 12 dB.

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Section: Rf Sectionmentioning

confidence: 99%