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A Wideband Contactless and Bondwire-Free MMIC to Waveguide Transition

Alhassan Aljarosha (Institutionen för signaler och system, Antennsystem) ; Ashraf Uz Zaman (Institutionen för signaler och system, Antennsystem) ; Rob Maaskant (Institutionen för signaler och system, Antennsystem)
IEEE Microwave and Wireless Components Letters (1531-1309). Vol. 27 (2017), 5, p. 437-439.
[Artikel, refereegranskad vetenskaplig]

A contactless transition from a high-permittivity microstrip line (e_r=9.9) to an air-filled waveguide (WG) has been impedance-matched over a large simulated relative bandwidth of 38% (W-band, 75-110 GHz). The transition couples the EM fields directly from the MMIC's microstrip line via an SIW and an off-chip stub section to a ridge WG section. The novel structure is low loss and suits pick-and-place assembly techniques of mm-Wave MMICs inside metal WGs. The design process is detailed and manufacturing tolerances of the Alumina prototype PCB are discussed. The measured back-to-back structure retains an appreciable insertion loss smaller than 0.8 dB for a single transition and a fractional bandwidth of 28% (72-95~GHz) over which the return loss is greater than 10 dB.

Nyckelord: Contactless connection, integration, Monolithic Microwave Integrated Circuit (MMICs), waveguide (WG) transition

Denna post skapades 2017-02-17. Senast ändrad 2017-07-06.
CPL Pubid: 248193


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Institutioner (Chalmers)

Institutionen för signaler och system, Antennsystem (2014-2017)


Elektroteknik och elektronik

Chalmers infrastruktur