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。
JH-412A BX6226 IC chips lot of 80, MOTOMAN NEW
Tecumseh Compressor AE334AT-663-J7 NEW
Square D KHL36090, 90A, 3P, 600v Breaker NEW
Allen-Bradley 1492-H2 148, finger safe termainal NEW
Square PAK11CTG, 47727 breaker panel R3, 120v, 40A NEW
Square D MAL36800 MAP360008MT1021 Breaker 800 Amp
Tocco SK-7144 286070105 with sola SCLD15-DN NEW