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EE 597G/CSE 578A Final Project
Phase Locked Loop Han-Wei Chen & Ming-Wei Liu
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Outline Specification VCO PFD Charge Pump Divider Layout Post-Sim
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PLL Spec Input Signal Square Wave 12.5 MHz Output Signal Sine Wave
0.3 V to 3.2 V Vdd Gnd 3.3V Locked Speed 6u sec
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Voltage Control Oscillator
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VCO -- Ring Oscillator
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VCO – Delay Cell
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VCO
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VCO Layout
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VCO Post-Sim
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Phase Frequency Detector
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PFD
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PFD
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Charge Pump
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Charging
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Discharging
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Divider
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Divider
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Simulation Results – Schematic Level
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Overall Layout
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Layout
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Post-Sim
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END~
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