A 1.57mW 99dBΩ CMOS transimpedance amplifier for VHF micromechanical reference oscillators

@article{Li2012A19,
  title={A 1.57mW 99dBΩ CMOS transimpedance amplifier for VHF micromechanical reference oscillators},
  author={Ming-Huang Li and Cheng-Syun Li and Li-Jen Hou and Yu-Chia Liu and Sheng-Shian Li},
  journal={2012 IEEE International Symposium on Circuits and Systems},
  year={2012},
  pages={209-212}
}
This work investigates a low-power transimpedance amplifier (TIA) topology suited for VHF micromechanical oscillator applications. The TIA circuit comprises of a regulated-cascode (RGC) transimpedance gain stage and an inverter-based wideband Cherry-Hooper amplifier with capacitive peaking. The circuit was designed using TSMC 0.18μm CMOS technology, exhibiting mid-band gain of 99dBμ and 3dB bandwidth of 280MHz while dissipating only 1.57mW from a 1.5V supply. A linear RLC equivalent model… CONTINUE READING

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