原因是因为如果交流信号测量数据的间隔如果与信号周期不同步的话，相当于测试的数据是非整周期，那么计算的结果也将不准确。功率分析仪检测和计算信号的周期是同步源来决定的，所以选择准确的同步源对测试结果非常关键。同步源选择的原则是尽可能的选择接近正弦波的信号，比如电网工频电我们一般选择电压为同步源，又如电机驱动输出的PWM信号，我们可以选择电流做同步源。PLL源的选择除了同步源信号对测量数据有很大影响以外，我们在做谐波分析设置时，还有一个非常关键的源——PLL源。
PV023R1K1T1NHCC
PV023R1K1T1VMMC
PV023R1K1T1WMRC
PV023R9K1T1NFWS
PV023R1K1JHNMMC
PV023R1K4T1NFHS
PV023R1L1T1NMMC
PV023R1K8T1VMMC
PV023R1K1T1NFRZ
PV023R9K1T1NMMC
PV023R1K4T1NMR1
PV023R1K1T1VFDS
PV023R1K8T1NMMC
PV023R1K8T1NFWS
PV023R1K1T1WMR1
PV023R1K8T1N001
PV023L1K1T1NMMC
PV023R1K4T1NMMC
PV023R1K1T1NKLC
PV023R1K4T1NFR1
PV023R1K1S1NFWS
PV023R1K1T1NFFC
PV023L1K1T1NFWS
PV023R1K1T1WFDS
PV023R1K1T1NFFP
PV023R1L1T1NF
PV023R1K1T1WMM1
PV023R1K1T1NHLC
PV023R1K1T1NMRZ
PV023R1K1T1NMRK
PV023R1K1T1WMMC
PV023R1K1T1NFF1
PV028R1K1T1N001
PV028R1K1T1N100
PV028R1K1T1NFDS
PV028R1K1T1NFR1
PV028R1K1T1NFHS
PV028R1K1T1NMMC
PV028R1K1T1NMM1
PV028R1K1T1NMRC
PV028R1K1T1NFWS
PV028R1K1T1NFRC
PV028R1K1T1NFF1
PV028R1K1T1WMM1
PV028R1K1T1WFR1
PV028R1K8T1NFWS
PV028R1K4T1NFR1
PV028R1K1T1VMMC
PV028R1K1T1NHCC
PV028R1K4T1NMMC
PV028R1K1T1NELC
PV028R1K1T1NHLC
PV028R1K8T1N001
PV028R1K1T1NF
PV028R9K1T1NFWS
PV028R9K1T1NMMC
PV028R1K1T1VFDS
PV028R1K1AYNMRZ
PV028R1K8T1NMMC
PV028R1K1T1NMRK
PV028R1K1T1NFFP
PV028L1K1T1NMMC
PV028R1K1T1NFRZ
PV028R1K1S1NFWS
PV028R1K1T1NMMZ
PV028R1K1T1NMR1
PV028R1K1T1NMFC
PV028R1K1T1WFDS
PV028L1K1T1NFWS
PV028R1K1JHNMMC
PV028R1K1T1NMRZ
PV028R1K4T1NFHS
PV028R1K1T1NMF1
PV028R1K1T1NGLC
PV028R1K1T1WMRC
PV028R1L1T1NMMC
PV028R1K1T1WMMC
PV028R1K1T1WMR1
PV028R1K8T1VMMC
PV028R1K1T1NFFC
PV028R1K1T1NMMK
PV028R1K4T1NMR1
PV032R1K1T1N001
PV032R1K1T1N100
PV032R1K1T1NFDS
PV032R1K1T1NFR1
PV032R1K1T1NFHS
PV032R1K1T1NMMC
PV032R1K1T1NMM1
PV032R1K1T1NMRC
PV032R1K1T1NFWS
PV032R1K1T1NFRC
PV032R1K1T1NFF1
PV032R1K1AYNMTZ
PV032R1K1T1NMFC
PV032R1K1T1NMR1
PV032R1K1T1NMF1
PV032R1K1T1NMRK
PV032R1K1T1NFFP
PV032R1K1T1WMMC
PV032R1K4T1NMMC
PV032R1K8T1VMMC
PV032R1K1T1WFR1
PV032R1K1T1NFFC
PV032R1K1JHNMMC
PV032R1K1T1WMRC
PV032R9K1T1NFWS
CAN总线是一种多主方式的串行通讯总线，基本设计规范要求有高的位速率，高抗电子干扰性，并且能够检测出产生的任何错误。CAN总线可以应用于汽车电控制系统、电梯控制系统、安全监测系统、仪器、纺织机械、船舶运输等领域。本文将从以下几大方面帮您实现CAN总线接口防护设计可靠性的提高。对于提高CAN总线的可靠性而言，离不开隔离、总线阻抗匹配、总线保护等，在设计CAN总线接口防护方案时要注意这些方面以提高总线电路可靠性和安全性。
