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。
OMRON V600CA2A IDENTIFICATION SYSTEM CONTROLLER
NEW UTICOR 150115N2L16EX OPERATOR INTERFACE DISPLAY
NEW KAYDON KG080XPO SLIM, 4-POINT CONTACT BALL BEARING
GIDDINGS & LEWIS PIC900 P/N 5020378202R1 INPUT ENCODER
NEW INGERSOLL RAND M004RHR015AT3 SERIES M004 AIR MOTOR
S&C TYPE SM-5SS POWER FUSE, HOLDER – INDOOR, 150E AMP