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Comprehensive Guide to PLL Design with Building Blocks and Pspice Simulations

Learn about Phase Locked Loop design with detailed insights into Phase Detector, Loop Filter, VCO, and more. Explore schematics, current pumps, and simulation results for a deeper understanding.

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Comprehensive Guide to PLL Design with Building Blocks and Pspice Simulations

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  1. Phase detector: • Loop filter: • VCO: Phase Locked Loop (PLL) DesignbyAkin Akturk and Zeynep Dilli Figure 1: Basic PLL building blocks

  2. Phase Detector Design Figure 2: Phase Frequency Detector and the Loop Filter Figure 3: PD and Loop Filter responses to input transients

  3. Voltage Controlled Oscillator Figure 4: The schematics of the VCO Figure 5: Schematics of the Current Pumps

  4. Design Considerations for the VCO Figure 6: I-Vin for Current Pumps Figure 7: Vin-fosc Relation

  5. Ripple Carry Counter Figure 8: The Schematics of the 10-Bit Input Counter

  6. PLL Building Blocks and Design Considerations Revisited Figure 8: Overall PLL Schematics

  7. Pspice Simulation Result I Figure 10: Reference Clock and the Output of the Counter

  8. Pspice Simulation Result II Figure 11: Loop Filter and VCO Inputs

  9. Pspice Simulation Result III Figure 12: VCO Output at the Start and the End of the Simulation

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