@book{santos2019logarithmic,
  title={{Logarithmic Voltage-to-Time Converter for Analog-to-Digital Signal Conversion}},
  author={Santos, Mauro and Guilherme, Jorge and Horta, Nuno},
  year={2019},
  publisher={Springer}
}


  
  @article{wu2021time,
  title={{A Time-to-Amplitude Converter With High Impedance Switch Topology for Single-Photon Time-of-Flight Measurement}},
  author={Wu, Zhong and Xu, Yue and Ma, Zhiqiang},
  journal={IEEE Access},
  volume={9},
  pages={16672--16678},
  year={2021},
  publisher={IEEE}
}


@article{nutt1968digital,
  title={Digital time intervalometer},
  author={Nutt, Ronald},
  journal={Review of scientific instruments},
  volume={39},
  number={9},
  pages={1342--1345},
  year={1968},
  publisher={American Institute of Physics}
}