| 摘要 |
PROBLEM TO BE SOLVED: To provide a timing signal generation device, capable of narrowing the cause of a frequency abnormality to improve work efficiency of maintenance, repair, etc., and an electronic apparatus and a moving body having the timing signal generation device.SOLUTION: A timing signal generation device 1 includes: a GPS receiver 10 which outputs 1 PPS; an atomic oscillator 30 which outputs a clock signal to be synchronized with 1 PPS; a phase comparator 21 which compares the phases of 1 PPS and the clock signal; a frequency abnormal determination unit 27 which determines whether or not the frequency of the clock signal is abnormal, using the result of comparison of the phase comparator 21, to output frequency abnormality information which includes the determination result; a sensor unit 40 which detects environmental information influencing the result of comparison; and a determination unit 28 which determines the cause of the abnormality, using the frequency abnormality information and the environmental information.SELECTED DRAWING: Figure 1 |
