Switches for audio and video position switch finished high quality attenuator with low switching torque 应用在音响电视电影等视听设备的波段开关
Variable optical attenuator is one of the key devices in wavelength - division multiplexing systems 可变光学衰减器( voa )是波分复用系统的关键器件之一。
This paper introduces the principal theory , process and test technology of variable optical attenuator 本文分析了集成化可变光学衰减器的工作原理、工艺制作和测试技术。
The cost of a truck mounted attenuator ( tma ) is about $ 180 , 000 . currently , 16 road works vehicles are equipped with tmas 车尾撞击缓冲器的成本约为18万元,目前有16部道路工程车辆已装设这种装置。
Specification for harmonized system of quality assessment for electronic components - blank detail specification : fixed fibre optic attenuators 电子元器件质量评定协调体系规范.固定光纤衰减器空白详细规范
The attenuators and the sensitivity of detectors are calibrated in varied frequencies . the attenuation of the cable is also calibrated 对晶体检波器在不同频率下的矿灵敏度进行了测定;对同轴信号线的衰减量瓣行了标定。
Fibre optic interconnecting devices and passive components performance standard - continuously variable attenuators for category u . uncontrolled environment 纤维光学互连器件和无源元件性能标准. u类连续可变衰减器.非受控环境
Fibre optic interconnecting devices and passive components performance standard - single - mode fibre , plug - style fixed attenuators for category u . uncontrolled environment 纤维光学互连器件和无源部件性能标准. u类单模光纤插接式固定衰减器.非受控环境
Fibre optic interconnecting devices and passive components performance standard - part 053 - 3 : continously variable attenuators for category u - uncontrolled environment 纤维光学互连器件和无源元件性能标准.第053 - 3部分: u类连续可变衰减器.非受控环境
Fibre optic interconnecting devices and passive components performance standard - part 053 - 3 : continuously variable attenuators for category u - uncontrolled environment 纤维光学互连器件和无源元件性能标准.第053 - 3部分: u类连续可变衰减器.非受控环境