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A High performance linear transconductor has been realized by employing a squaring circuit technique. The transconductor is tunable by adjusting the bias voltage, and suitable for application to highly linear continuous-time filters. Experimental results show that the nonlinearity error of the output current is less than 0.5% for the differential input signals of up to 1.2 V (peak-to-peak) at 23.6...
A delay-locked loop of multi-band selector with wide-locking range and low power dissipation is presented. The architecture of the proposed delay-locked loop consists of phase frequency detector, charge pump, band selector, multi-control delay line, and start-up circuit. The multi-band selector is used to extend operation frequency of delay-locked loop by switching the multi-control delay line. The...
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