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Two compact planar antennas operating in the unlicensed 60 GHz frequency band are presented based on the physical layer specifications of IEEE 802.15.3c and ECMA 387 standards for different classes of wireless applications. Each antenna is an array of 2 × 2 microstrip antennas covering at least two channels of the 60 GHz spectrum. The first antenna is optimized to achieve the highest gain, while the...
Recent telecommunications standards are requiring antenna technologies to evolve towards low-cost, high-integration packages. Furthermore, higher gain and radiation pattern constraints result in the need of steerable, versatile antenna arrays. One of the key requirements is the overall cost, including non-recurring engineering or designs costs should be reasonably low for consumer market applications...
In this paper, a generic simple circuit model for 1 x M SlW-parallelfed DRA linear array is presented as a fast method for the analysis and optimization of the larger arrays. This circuit model provides good estimates for the antenna return loss and radiation pattern characteristics. It is based on N-port circuit analysis of the antenna system.
With rapidly increasing demand for bandwidth, and the recent advances in nano-metric Si-based integrated circuit technologies, millimeter-wave (mmW) systems are finding numerous commercial applications, which, unlike military and scientific usages, are extremely cost sensitive. A wide range of applications at mmW frequencies can be found in such area as wireless communications network (60 GHz), automotive...
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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