Fig. 1. Single-ended to differential-ended circuit

Fig. 2. AD conversion circuit

Fig. 3. Ethernet interface circuit

Fig. 4. Waveforms acquired by ADC

Fig. 5. Distribution of （a）SNR， （b） SINAD and （c） SFDR

Fig. 6. DC characteristics of ADC and Gaussian fitting

Fig. 7. Transfer function of ideal ADC

Fig. 8. Relationship between phase error and clock jitter

Fig. 9. Calculated and theoretical values of clock jitter at different frequencies

Fig. 10. Proportion of noises

Fig. 11. Filtered surface diagram

Fig. 12. Structure of FMCW lidar system

Fig. 13. Frequency domain waveforms of targets at different distances

Fig. 14. Measurement result of FMCW lidar