Skip to content

This project shows the design of a frequency synthesizer PLL system that produces a 1.92 GHz signal with a reference input of 30 MHz, with a comparison between using an LC VCO and using a Ring VCO.

Notifications You must be signed in to change notification settings

muhammadaldacher/Analog-Design-of-1.9-GHz-PLL-system

Repository files navigation

Analog-Design-of-1.9-GHz-PLL-system

This project shows the design of a frequency synthesizer PLL system that produces a 1.92 GHz signal with a reference input of 30 MHz, with a comparison between using an LC VCO and using a Ring VCO.

[1] PLL System Design

  • PLL block diagram:

    block diagram
  • Typical CP PLL system:
    block diagram

  • System Parameters:
    spec_params

  • System Stability:
    block diagram

    block diagram

  • Open-Loop & Closed-Loop Parameters:
    param

  • VerilogA System Simulation:

    param

    param

[2] PLL Circuit Design

A) PFD:

pfd

B) Charge Pump:

cp
cp

C) Loop Filter:

LPF

D) VCO:

1- LC VCO:

Refer to: https://github.com/muhammadaldacher/RF-design-of-1.9-GHz-Rx-frontend/tree/master/%5B2%5D%20VCO%20design
VCO_LC
lc

2- Current-Starved Ring VCO:

Refer to: https://drive.google.com/drive/folders/1fyUhUR0x1b1HQYjlndnEte-GhuKZ9sJ6
VCO_ring
rg

E) Divider:

Divider

1- TSPC Flipflop: (for high-speed-input stages)

Divider

2- CMOS Flipflop: (for lower-speed-input stages)

Divider

=> System Simulations:

  • Testbench:
    testbench

    1- With LC VCO:

    testbench
    testbench

    2- With Ring VCO:

    testbench
    testbench

  • Comparison:
    testbench
  • Corner Simulations (using LC VCO):
    testbench



References:

-> VerilogA References:
https://github.com/muhammadaldacher/Analog-Design-of-1.9-GHz-PLL-system/tree/master/%5B1%5D%20PLL%20System%20Level%20(VerilogAMS%20-%20Matlab)/VerilogA%20References%20(for%20PLLs)
-> PLL Design References:
https://github.com/muhammadaldacher/Analog-Design-of-1.9-GHz-PLL-system/tree/master/%5B2%5D%20PLL%20Circuit%20Design/References
My project on google drive:
https://drive.google.com/drive/folders/1TUYCLbdZC5S4dQVAxZmoUjMQPiLFntPe
EE230 Lecture Notes:
https://drive.google.com/open?id=1WcP2svOrAle0cEzlL1oexYeuDEQjH5j9
SGFET Nanowire PLL design:
https://drive.google.com/open?id=11aUuht1qpGR8_nj85TnPhnZkIp3dgVg7

[Thesis] "DESIGN OF A PHASE LOCKED LOOP BASED CLOCKING CIRCUIT FOR HIGH SPEED SERIAL LINK APPLICATIONS" by RISHI RATAN:
https://www.ideals.illinois.edu/items/49560

About

This project shows the design of a frequency synthesizer PLL system that produces a 1.92 GHz signal with a reference input of 30 MHz, with a comparison between using an LC VCO and using a Ring VCO.

Topics

Resources

Stars

Watchers

Forks

Releases

No releases published

Packages

No packages published

Languages