Examples and Worked Solutions

  • Paul V. Brennan
Part of the New Electronics Series book series (NE)


1. Explain, with the aid of circuit and timing diagrams, the operation of an RS flip-flop phase detector and a dual D-type phase/frequency detector. Include sketches of the phase detector characteristics in your explanation. Derive an expression describing the characteristic of the phase/frequency detector when the input signals are of different frequencies. Also, derive a corresponding expression for the RS phase detector characteristic with input signals of different frequencies and use this to explain why loops incorporating phase/frequency detectors have superior acquisition performance.


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Copyright information

© Paul V. Brennan 1996

Authors and Affiliations

  • Paul V. Brennan
    • 1
  1. 1.Department of Electronic and Electrical EngineeringUniversity College LondonUK

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