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A swing variable voltage technique (CK-Vdd) is proposed to reduce power consume for generic digital circuit system. The proposed CK-Vdd generates a swing variable voltage, which is different from the conventional constant voltage (Vdd) to the digital circuit. The swing voltage is produced from using Voltage Frequency Adjustor (VFA) and Frequency Duty-Cycle Adjustor (FDCA) circuits. The clock rising...
A simple synchronizer is proposed to provide synchronization on asynchronous network with the modified time protocol based on packet transfer. The proposed synchronizer has enhanced performance for time accuracy and its simple structure is easily attached to legacy network elements such as Ethernet L2 switch.
This paper presents a new phase frequency detector (PFD) to enable fast frequency acquisition in the phase-locked loop (PLL). The three-state PFD is conventionally employed because it is simple and almost immune to the dead-zone problem, but it can miss some rising edges when the edges come during the reset time. Eliminating or reducing the missing edges caused by the reset pulse is essential in achieving...
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