Xuquan WANG, Hongyi WANG, Yonggang ZHANG, Songlei HUANG, Jiaxiong FANG. Study of Residual-time-counting Pulse Frequency Modulation Digital Readout Circuit for Ingaas Focal Plane Array[J]. Acta Photonica Sinica, 2022, 51(5): 0525002
- Acta Photonica Sinica
- Vol. 51, Issue 5, 0525002 (2022)
Fig. 1. The structure of pulse frequency modulation digital readout circuit with CTIA input stage
Fig. 2. The non-ideal reset of pulse frequency modulation digital readout circuit with CTIA input stage
Fig. 3. The timing diagram of two-step residual-time-counting pulse frequency modulation digital readout circuit
Fig. 4. The circuit diagram of complementary self-biased differential comparator
Fig. 5. The simulation results of two-step residual-time-counting pulse frequency modulation digital readout circuit
Fig. 6. The unit layout of two-step residual-time-counting pulse frequency modulation digital readout circuit
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