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國創(chuàng)詳解高通濾波器接線安裝步驟

  高通濾波器是一種選頻裝置,可以使信號(hào)中特定的頻率成分通過,而極大地衰減其他頻率成分。那么在使用的過程中如何安裝呢?看國創(chuàng)詳解高通濾波器接線安裝步驟!

  高通濾波器接線安裝步驟:

  1.為了濾波器的安全可靠工作(散熱和濾波效果),除濾波器一定要安裝在設(shè)備的機(jī)架或機(jī)殼上外,濾波器的接地點(diǎn)應(yīng)和設(shè)備機(jī)殼的接地點(diǎn)取得一致,并盡量縮短濾波器的接地線。

  若接地點(diǎn)不在一處,那么濾波器的泄漏電流和噪聲電流在流經(jīng)兩接地點(diǎn)的途徑時(shí),會(huì)將噪聲引入設(shè)備內(nèi)的其他部分。其次,濾波器的接地線會(huì)引入感抗,它能導(dǎo)致濾波器高頻衰減特性的變壞。所以,金屬外殼的濾波器要直接和設(shè)備機(jī)殼連接。如外殼噴過漆,則必須刮去漆皮;若金屬外殼的濾波器不能直接接地或使用塑封外殼濾波器時(shí),它與設(shè)備機(jī)殼的接地線應(yīng)可能的短。

  2.濾波器要安裝在設(shè)備電源線輸入端,連線要盡量短;設(shè)備內(nèi)部電源要安裝在濾波器的輸出端。若濾波器在設(shè)備內(nèi)的輸入線長(zhǎng)了,在高頻端輸入線就會(huì)將引入的傳導(dǎo)干擾耦合給其他部分。若設(shè)備內(nèi)部電源安裝在濾波器的輸入端,由于連線過長(zhǎng),也會(huì)導(dǎo)致同樣的結(jié)果。

  3.確保濾波器輸入線和輸出線分離

  若濾波器輸入、輸入線捆扎在一起或相互安裝過近,那么由于它們之間的耦合,可能使濾波器的高頻衰減降低。若輸入、輸出線必須接近,那么都必須采用雙絞線或屏蔽線。

  4.要將噪聲濾波器正確地連接到設(shè)備內(nèi)部的每一單元。

  若帶有單獨(dú)電源的若干單元安裝在一個(gè)機(jī)殼內(nèi),那么必須把每一個(gè)單元視為設(shè)備的獨(dú)立部分。每一單元必須連接各自的噪聲濾波器,否則在機(jī)殼內(nèi),這些單元中的每一單元的噪聲都會(huì)傳導(dǎo)給其他單元。

  上述就是國創(chuàng)詳解高通濾波器接線安裝步驟,希望看完能夠?qū)δ兴鶐椭?,如果您想要了解更多關(guān)于高通濾波器的相關(guān)信息的話,歡迎在線咨詢我們國創(chuàng)客服或是撥打服務(wù)熱線029-85251919進(jìn)行咨詢,我們將竭誠為您提供優(yōu)質(zhì)的服務(wù)!
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