一高质量电阻器在信号道路和使用瑞士与黄金接触适合低接触电阻和长期的耐久性一起使精密衰减器内只。
Only one high-quality resistor in the signal path and using the Swiss made precision attenuator with gold contacts for low contact resistance and longtime durability.
将光衰减器用作解调系统的光调制器，解决了解调系统光信号的调制问题。
The optical attenuation is used as optical modulator of demodulation system, which solves the problem of optical modulation.
RF输出信号幅度节制利用半导体衰减器，存在高靠得住性。
RF outputs signal extent to control use semiconductor attenuator, have high reliability.
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