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Optical fiber interface ntawm digital audio interface

Oct 23, 2021

Lub npe lus Askiv ntawm optical fiber ntau interface yog TOSLINK, uas los ntawm cov qauv kev tsim los ntawm Toshiba (TOSHIBA), thiab cov cuab yeej feem ntau yog cim raws li" Optical". Nws lub cev sib txuas tau muab faib ua ob hom, ib qho yog lub taub hau square, thiab lwm qhov yog lub taub hau puag ncig zoo ib yam li 3.5mm TRS connector feem ntau pom ntawm cov khoom siv nqa tau. Vim tias nws xa cov teeb liab digital nyob rau hauv daim ntawv ntawm lub teeb pulses, nws yog qhov kev sib kis ceev tshaj plaws los ntawm qhov kev pom.

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Kev sib txuas ntawm fiber ntau tuaj yeem ua tiav cov hluav taws xob sib cais, tiv thaiv cov suab nrov los ntawm kev xaim hauv av, thiab pab txhim kho lub teeb liab-rau-nruab nrab ntawm DAC. Txawm li cas los xij, vim nws xav tau lub teeb pom kev zoo thiab qhov chaw nres nkoj txais, thiab kev hloov pauv photoelectric ntawm ob lub chaw nres nkoj yuav tsum muaj photodiodes, tsis tuaj yeem muaj kev sib raug zoo ntawm cov fiber ntau optical thiab photodiode, uas yuav tsim cov digital jitter zoo li distortion, thiab qhov no. distortion yog superimposed. Ua ke nrog cov distortion nyob rau hauv cov txheej txheem photoelectric hloov dua siab tshiab, nws yog ntau phem tshaj lub coaxial nyob rau hauv cov nqe lus ntawm digital jitter. Yog li ntawd, tam sim no lub optical fiber interface tau maj faded tawm ntawm tib neeg' s teb ntawm lub zeem muag.

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