The frequency synthesizer is one of the most fundamental cells in a telecommunications transceiver. Its role is to produce the necessary periodic signals for frequency up-conversion in the transmitter and down-conversion in the receiver. The location of the frequency synthesizer in a typical transceiver is depicted in the schematic of Fig. 7.1.


Phase Noise State Circuit Ring Oscillator Frequency Synthesizer Local Oscillator Signal 
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Copyright information

© Springer Science+Business Media New York 1999

Authors and Affiliations

  • Yannis E. Papananos
    • 1
  1. 1.National Technical University of AthensAthensGreece

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