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ZY28

ZY28

  • Classification:Cable connector series
  • Number of visits:times
  • Date of Issue:2020-10-26 16:37:06
  • Product overview
  • The performance characteristics of
  • Technical parameters

ZY28插座


ZY28-2插座

网络优化资料:

可以调节的衰减器。本实用新型以可调电阻取代固定电阻,在一定范围内实现无级调节,其良好的任意可调性使其应用前景一片光明。前期可调衰减器质量和工艺较差,难以实现无级调节,且调节稳定性不高,衰减值常因接触不良而自动变化,曾多次为解决这一矛盾,大量采用固定衰减器。近年来,无级变速固定衰减器的质量和通讯机箱生产厂家工艺水平都有了很大的提高,为了提高调节的稳定性,不仅有0—20dB大范围变速固定衰减器,而且还有更精细稳定O—10dB小范围变速衰减器,与固定衰减器多样化的亮度外型不同,可调衰减器自诞生至今,其外型和颜色都没有发生任何变化,改进的只是指示性,尽管可调放大器外壳生产厂家衰减有调节方便,接触可靠的优点,但在光接收机上,却很少见到它的影子,主要原因是它没有固定衰减器的"点睛"作用。

ZY28-2插座

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