描述

SCXI-1600

由于數(shù)字電路是利用上升沿/下降沿很短的脈沖信號(hào)，所以會(huì)向外部放出包括高頻成分的多余電磁波（噪聲），而且對(duì)外部來(lái)的電磁波（噪聲）敏感地響應(yīng)，造成誤動(dòng)作。另外在電路內(nèi)部也存在線間產(chǎn)生交調(diào)失真、數(shù)字器件的通/斷時(shí)電流急驟變化引起電源電壓變動(dòng)等問(wèn)題。這樣就需要在數(shù)字電路中考慮布線的電感和寄生電容構(gòu)成的分布常數(shù)電路、防止上沖、下沖造成波形的混亂及信號(hào)反射、延遲、衰減、線間電磁干擾的交調(diào)失真。而解決這問(wèn)題的濾波器、屏蔽等都是模擬技術(shù)。由于數(shù)字電路技術(shù)在汽車(chē)、火車(chē)、收音機(jī)控制中的應(yīng)用，高可靠性地實(shí)現(xiàn)了以前用模擬技術(shù)無(wú)法實(shí)現(xiàn)的高功能。但是由于噪聲會(huì)引起系統(tǒng)及電路誤動(dòng)作，尤其對(duì)機(jī)器為系統(tǒng)是致命的問(wèn)題。而模擬電路即使有噪聲，也只是暫時(shí)降低數(shù)據(jù)的精度，一旦噪聲消失，就具有自我恢復(fù)功能的特征。因此將實(shí)現(xiàn)高功能的數(shù)字電路和具有自我恢復(fù)/自我確認(rèn)能力的模擬電路組合應(yīng)用，對(duì)防止移動(dòng)控制系統(tǒng)、數(shù)字電路噪聲引起的誤動(dòng)作將會(huì)是一種安全的方案。

產(chǎn)品承諾：
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨，
保?證售后服務(wù)質(zhì)量，
優(yōu)勢(shì)價(jià)格，大量現(xiàn)貨。

主營(yíng)DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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