International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064


Downloads: 154

Case Studies | Electronics & Communication Engineering | India | Volume 4 Issue 1, January 2015


Online Case Study On Phase Frequency Detector

Ashwini Rajole


Abstract: In this paper, we analyze existing phase frequency detectors from aspects of theoretical analysis and circuit operation. Based on the circuit architecture, both classifications and comparisons are made. Then we propose a phase frequency detector for PLL design. The proposed phase frequency detector is simple in its structure and has no glitch output as well as better phase characteristics. Furthermore, some simulations results by HSPICE are performed based on 0.35 mum process parameters. Several prior art phase frequency detectors with the proposed one are compared for phase sensitivity, dead zone characteristics and maximum operation frequency. Based on simulation results, the proposed phase frequency detector shows satisfactory circuit performance with higher operation frequency, lower phase jitter and smaller circuit complexity. The speed of the proposed phase frequency detector is up to 3.5GHz. Moreover, the circuit design of a GHz PLL has been completed including high speed VCO, charge pump and phase frequency detector with an external loop filter.


Keywords: Phase Locked Loop, Analog Phase Detector, Digital Phase Detector, Phase Detector, Voltage Controlled Oscillator, Simulation Results


Edition: Volume 4 Issue 1, January 2015,


Pages: 26 - 31


How to Cite this Article?

Ashwini Rajole, "Online Case Study On Phase Frequency Detector", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=SUB157, Volume 4 Issue 1, January 2015, 26 - 31

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