Menene bambanci tsakanin 50 ohm da 75 ohm coaxial na USB?

Menene bambanci tsakanin 50 ohm da 75 ohm coaxial na USB?

Sannu, zo don tuntuɓar samfuranmu!

Menene bambanci tsakanin 50 ohm da 75 ohm coaxial na USB

Ana amfani da kebul na 50 Ω galibi don isar da siginar bayanai a tsarin sadarwa ta hanyoyi biyu.Filayen aikace-aikacen sa suna da faɗi da yawa, gami da gwajin sigina, cibiyar sadarwar kashin baya na kwamfuta Ethernet, kebul na ciyarwar eriya mara waya, kebul na ciyarwar eriya ta duniya ta GPS da tsarin wayar hannu.Ana amfani da kebul na 75 Ω galibi don watsa siginar bidiyo.Isar da siginar TV ta hanyar kebul aikace-aikace ne na yau da kullun.A wannan lokacin, ana yawan amfani da masu haɗa nau'in F, kamar haɗin eriya ta gidan talabijin ta gida.Wani aikace-aikacen shine watsa siginar bidiyo tsakanin na'urar DVD, VCR, saka idanu na tsaro da sauran tsarin da kayan aiki.A wannan lokacin, yawanci ana kiranta da kebul na audio/video (A/V) da kuma haɗin kai.A wannan lokacin, ana yawan amfani da masu haɗin BNC da RCA.75 Ω igiyoyi yawanci igiyoyi masu ƙarfi ne na tsakiya na USB RG59B/U da kebul na madaidaiciyar madauri na RG59A/U.Ana amfani da kebul 75 Ω galibi don watsa siginar bidiyo, yayin da 50 Ω kebul ana amfani da shi don watsa siginar bayanai.


Lokacin aikawa: Janairu-30-2023