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In this paper, a technique to reduce the output jitter and the wide-range operation is presented. A wide-range voltage controlled delay line (WRVCDL) uses multi-band to operate on wide-range. The proposed DLL operates from 25MHz to 250MHz. An edge combiner (EC) is used to increase the output frequency range. It synthesizes frequencies from 250MHz to 2.5GHz. The output of EC will be a 50% cycle in...
In this paper, we propose a level shifter circuit capable with a wide input voltage range. The circuit is based on a conventional two-stage comparator, and has a distinctive feature in current generation scheme by monitoring input and output logic levels. The proposed circuit can convert low voltage input digital signals into high voltage output digital signals. The circuit achieves low power operation...
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