描述
模拟量信号属于小信号,极易受到外界干扰的影响,应选用双层屏蔽电缆;高速脉冲信号(如脉冲传感器、计数码盘等)应选用屏蔽电缆,既防止外来的干扰,也防止高速脉冲信号对低电平信号的干扰;PLC之间的通信电缆频率较高,一般应选用厂家提供的电缆,在要求不高的情况下,可以选用带屏蔽的双绞线电缆;
HP/Agilent 0.00000832 DC1800 / PCS1900 Test Set
HP/Agilent 44710A Data Acquisition Module
HP/Agilent 44732A 4 Channel 120 ohm Dynamic Strain Gage
HP/Agilent 6038L-001 DC Power Supply 0-60V, 10A with op
HP/Agilent 3764A-007 Digital Transmission Analyzer
HP/Agilent 6038A-001 DC Power Supply 0-60V, 10A with op
HP/Agilent 6627A-750 Quad Output DC Power Supply, Range
HP/Agilent 6268B DC Power Supply 0-40V, 30A
HP/Agilent 70842A Error Detector Module for HP 71603A G
HP/Agilent E1609A ATM Stream Processor, 0-622 Mb/s
HP/Agilent E1695A DS-3 Line Interface Module Card
HP/Agilent U2353A USB Modular Data Acquisition