Aniruddha C. Kailuke

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A simple new phase frequency detector and integrated Dickson Charge pump design with charge transfer switches (CTS's) are presented in this paper. The proposed Phase-Frequency Detector (PFD) and Charge-Pump are useful for low voltage, high frequency Phase-Looked-loops (PLL). This brief analyzes the blind zone in latch-based PFDs and proposes a technique(More)
Charge pump circuits are used to obtaining higher voltages than normal power supply voltages in low voltage Phase Lock Loop (PLL), flash Memories & DRAM’s. New integrated Dickson Charge pump design with charge transfer switches (CTS’s) is optimized and compared including the losses due to devices parasitic is described. Results show that the CTS based(More)
In today's world, there is a huge demand for portable electronic systems such as RFID cards, PDA, watches, calculators, cell phones, flash memories, MEMS, LCD drivers etc. The limited battery lifetime is the main concern of many portable systems. Energy harvesting system overcomes these problems by converting non-conventional energy into useful energy.(More)
This paper introduces a new-type Phase-Frequency Detector (PFD) for Charge-Pump based Phase-Looked-loops (CPPLLs). Dead zone in a phase-frequency detector reduces the input detection range and make worse cycle slips. This brief analyzes the blind zone in latch-based PFDs and proposes a technique that removes the blind zone caused by the pre-charge time of(More)
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