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In this paper, a 60 GHz transformer based wide noise figure (NF) bandwidth low noise amplifier (LNA) is presented. The proposed LNA consists of 2-stage cascode differential structure with transformer in each matching network. It is implemented with Clover-shaped transformer to get wide band performance of the NF and proposed Pot-shaped transformer to achieve low loss and area effectiveness. This shows...
In this paper, a 24 GHz phase-tunable resistively-coupled VCO is presented. The proposed VCO consists of two identical VCOs which are coupled through resistors. By differentiating free-running frequencies of two VCOs by controlling variable capacitances of their respective resonators, continuous phase difference between the VCOs upto 90° could be established. This shows the phase noise of −95.3 dBc/Hz...
Capacitive touch screen sensor, though it enables multi-touch recognition, has problems rejecting distributed noise such as LCD, RF and EMI interferences coupled to transparent ITO electrodes. This paper presents a capacitive sensor design for multiple channels at the X-Y crossing of ITO patterns on the LCD panel. Capacitance-to-Voltage converter (C-VC) with moving average and time interleaved scheme...
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