Fig. 12From: 16-channel SiPM high-frequency readout with time-over-threshold discrimination for ultrafast time-of-flight applicationsChannel coincidence time difference spectrum for the detector block read out via the TOFPET2 ASIC (left) and for the detector block read out via the 16-channel HF readout board including TOT discrimination with the TOFPET2 ASIC emulating the TDC (right) at an overvoltage of 9Â VBack to article page