13.07.2015 Views

25-Gb/s Optical Transceiver System

25-Gb/s Optical Transceiver System

25-Gb/s Optical Transceiver System

SHOW MORE
SHOW LESS
  • No tags were found...

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Low-power TDC designabPFDArbiterdelaydelayDirection1bitMUXstartstopDLL1GHz clkDLL128 Vernier delay lines& SamplerDecoderOutput 7bitabPFDArbiterdelaydelayDirection1bitMUXstartstopDFF1GHz clkDFF1nsDLLslowDFFDLLfast128 Vernier delay lines& SamplerDecoderOutput 7bit300umDLLsSampler&Delaylines270umDecoderLow-power DLL TDC- 3.9ps resolution- ±500ps input range- Power : 4.6mW- Area : 270um x 300umConventional DLL TDC- 3.9ps resolution- ±500ps input range- Power : 10.4mW- Area : 270um x 300um2

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!