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Efficient substrate integrated waveguide (SIW) to co-planar waveguide (CPW) transition junction implemented in a multi-layer structure is presented for phased array millimeter-wave applications. The coupling between the two different lines takes place via an aperture (slot) cut on the SIW top ground plane. The transition is simulated by the full-wave solver over the frequency band 29–30 GHz. It shows...
This paper describes the design methodology and low-cost solutions implemented in the a low-cost 1K element phased array system. The system operates at 12.2 to 12.7 GHz supporting both left hand and right hand circular polarizations. The total radiation gain is 31.8 dBi and the axial ratio is 1.5 dB. The total height and weight of the system are only 5 cm and 9 Kg respectively. The techniques and...
This paper presents a double-balanced CMOS down-conversion mixer for 60-GHz receivers, although the mixer is designed specifically for a phased array receiver architecture. The proposed mixer uses two on-chip baluns implemented with the two top metal layers in a 0.13-μm CMOS technology. The baluns provide 180° differential outputs from applied single-ended input at the radio-frequency (RF) and local-oscillator...
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