@article{CTT100803830,
  author = {Zule Xu and Anugerah Firdauzi and Masaya Miyahara and Kenichi Okada and Akira Matsuzawa},
  title = {Type-I Digital Ring-Based PLL Using Loop Delay Compensation and ADC-Based Sampling Phase Detector},
  journal = {IEICE Transactions on Electronics},
  year = 2019,
}

@inproceedings{CTT100734468,
  author = {Zule Xu and Anugerah Firdauzi and Masaya Miyahara and Kenichi Okada and Akira Matsuzawa},
  title = {A 2GHz 3.1mW Type-I Digital Ring-Based PLL},
  booktitle = {},
  year = 2016,
}

@inproceedings{CTT100753064,
  author = {Anugerah Firdauzi and Zule Xu and Masaya Nohara (Miyahara) and Akira Matsuzawa},
  title = {A Low-Power Mixed-Domain Delta-Sigma Time-to-Digital Converter Using Charge-Pump and SAR ADC},
  booktitle = {},
  year = 2016,
}

@inproceedings{CTT100753061,
  author = {Anugerah Firdauzi and Zule Xu and Masaya Nohara (Miyahara) and Akira Matsuzawa},
  title = {A 74.5 dB SNDR 1 MHz Bandwidth 1.17 mW Delta-Sigma Time to Digital Converter Using Charge-Pump and SAR ADC},
  booktitle = {},
  year = 2016,
}

@inproceedings{CTT100694696,
  author = {Anugerah Firdauzi and Xu Zule and Masaya Miyahara and Akira Matsuzawa},
  title = {Delta-Sigma Time to Digital Converter Using Charge Pump and SAR ADC},
  booktitle = {},
  year = 2015,
}