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Most data-intensive operations for multimedia applications such as image processing, vision, and 3D graphics require high external memory bandwidth. In augmented-reality (AR) processors [1], both 3D graphics and vision operations are required, so memory bandwidth becomes even more critical. In [1], however, memory bandwidth is not considered, floating-point processing is not supported, and there is...
In this paper, we introduce a differential Colpitts voltage-controlled oscillator (VCO), performing a signal oscillation with low phase noise. The proposed VCO is a part of our RF integrated circuit (IC) transceiver design project; some transceiver components are also introduced. VCO performance is verified both in simulation and practical measurement using the proposed RF IC transceiver, communicating...
A fully integrated 900-MHz direct-conversion transceiver for mobile RFID system is presented. The transceiver consists of a low noise amplifier, a down-conversion mixer, a band pass filter, and programmable gain amplifier (PGA) for RX path; and a power amplifier, an up-conversion mixer, a low-pass filter, and a PGA for TX path. In addition, the fractional N PLL is integrated to cover different frequency...
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