描述
信号在长线中传输会遇到三个问题:一是高速变化的信号在长线中传输时出现的波反射现象,二是具有信号延时,三是长线传输会遇到外界干扰。
Modicon Telemecanique Magelis XBTF034110
Modicon Telemecanique Magelis XBTFC044310TA + PCMCI MEM
RVSI 002-CM4000 Rev.H + FUJINON LENS HF25HA-1B 25mm ++
HP Agilent 34905A, Dual 4 Ch RF MUX 2GHz / 50 Oh AS New
Interface PCI-2724CM DAQ Made in Japan
2 x BURLE 8122 Linear Beam Power Tube LOT OF TWO 8122