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The beam forming at millimeter-wave for commercial standards like IEEE 802.11ad, is drawing much attention recently. Despite its advantages of high gain, beam-steering capability, and wide spatial coverage, phased-array requires power-hungry and costly multiple channels, especially in large-scale array systems. Thus, it becomes crucial to develop low power and compact circuits for the systems to be...
This paper presents a high-gain on-chip antenna implemented in standard Si technology for millimeter-wave applications. A cubic dielectric resonator is mounted upon a ‘microstrip’ form circular patch antenna. Different from other works, a very thin SiO2 layer which is of about 4µm thick is used, and the whole structure is rather simple, which means that it can be easily fabricated and scaled. The...
A 2.6GHz voltage-mode power combiner with transformer is realized in Gallium Arsenide (GaAs) Technology. The proposed voltage-mode transformer combiner enhances the impedance transformation ratio without sacrificing its overall transfer efficiency. The improvement can let the power amplifier (PA) deliver higher output power and then tackle the barrier in low break-down voltage normally found in CMOS...
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