描述
差模干扰:也称串模干扰,就是串联与信号源回路之中的干扰。它串联在信号源回路中,与被测信号相加后输入系统。产生差模干扰的因素主要有分布电容的静电耦合、空间的磁场耦合、长线传输的互感、50HZ的工频干扰,以及信号回路中元件的参数变化等。
NEW BALDOR JM7071 AC INDUCTION MOTOR, 2 HP, 3 PHASE
SMC US1452 BASE W/ 36 VQZ1155FN1X4 PNEUMATIC VALVES
THK LM GUIDE ACTUATOR KR SERIES WITH COVER AND MOTOR
NEW APPLIED MOTION 42 SPUR, 42SI020, SPUR GEARHEAD
PHYSIO CONTROL 801807-21 BATTERY SUPPORT SYSTEM 120V
NEW FLEX-A-SEAL 2230X01C1RS1, 1-3/8″ STYLE 30 CARTRIDGE
NEW PACIFIC SCIENTIFIC 1.8 STEP MOTOR E33HCHP-LNK-NS-00