DVI-connector: bayanin dalili, da na'urar siffofin

DVI-connector amfani da zamani a talabijin (jini, LCD), LCD-duba graphics katunan da inji mai kwakwalwa. Sunan "DVI" da aka samu daga English raguwa na Digital VisualInterface, wanda fassara a matsayin "dijital na gani dubawa". DVI-connector da aka ɓullo da farko da ya gabatar a 1999 ta Digital Nuni Working Group. Yana hada duniya Refayawa domin samar da kwakwalwa da kuma sa ido, kamar Intel, Compaq, Fujitsu, Silicon Image, Hewlett Packard da NEC. DVI-connector sauya VGA-dubawa da kuma kwanan kusan gaba daya maye gurbin shi.

Description DVI-fasahar

Hanyar watsa bayanai amfani a cikin wannan dubawa, ɓullo da Silicon Image. A nasa ne a irin na'urorin da serial watsa bayanai. DVI-na USB da aka gina a kan manufa da Twisted biyu. Uku nau'i-nau'i daga wayoyi suna daukar kwayar cutar launi (ja, kore da kuma blue), da kuma na hudu - agogon sakonni. DVI-connector damar aika da biyu analog dijital sakonni. Akwai uku subtypes na dubawa karkashin shawara:

• DVI-A - ake amfani da su aika da kawai analog sigina .
• DVI-I - duniya connector da ake amfani da watsin biyu analog da dijital da sakonni.
• DVI-D - don samar da kawai dijital sakonni.

Bugu da kari, da fasahar sanye take da wani musamman kariya DVI HDCP dijital bayanai tsarin da aka ɓullo da ta Intel.

Disadvantages DVI-dubawa

Babban hasara na yada bayanai via wannan connector ne don takura tsawon na USB, kuma ma dangane da irin siga na ce daukar kwayar cutar sigina. Alal misali, hoton tsawo 1920x1200 pixels tare da wani mita na 60 Hz za a iya daukar kwayar cutar ta hanyar USB, da tsawon wadda ne 5 mita, da kuma a pyatnadtsatimetrovomu na USB iya aika wata sigina wanda zai zama iyakar ingancin kawai 1280x1024 pixel a wannan mita. Saboda haka, a lokacin da bukatar dogon igiyoyi yi amfani da ƙarin kayan aiki - musamman siginar amplifiers (repeaters), wanda aka sanya a wasu nisa. Tare da wadannan raunin dangantaka da bayyanar da maki a kan duba da amfani da matalauta ingancin USB. Don kawar da wannan sakamako, shi wajibi ne don canza ko igiyar, ko runtse ingancin da shigar da alama.

DVI-HDMI connector

Wannan connector da ake amfani da dijital watsa HDTV sakonni. Na tsara wannan dubawa don a haɗa da TV da shigar da kafofin. A peculiarity da aka ambata connector ne cewa ta hanyar shi iya aika ba kawai video, amma kuma dijital audio. Yana da damar ya watsa shirye-shirye audio tashoshi 8, tare da bit a 24 ragowa. Akwai daban-daban bayani dalla-dalla na ce dubawa da adaftan, godiya ga wanda yana yiwuwa a kawunansu daban-daban na haɗawar. Har ila yau, HDMI-connector za a iya amfani da a haɗa shi da PC da TV. Ya kamata a tuna da cewa HDMI-DVI dubawa na goyon bayan wani musamman yarjejeniya tsara don kare lasisi abun ciki daga m overwriting.

ƙarshe

Ko da yake DVI-fasahar kusan gaba daya maye gurbin da VGA-musaya, to date, irin wannan ne yadu amfani a kan mazan inji mai kwakwalwa. Idan ka video katin ne babu DVI-connector, amma kana son haɗawa mai duba da cewa tana goyon bayan wannan fasahar, sa'an nan za ka iya amfani da wani musamman adaftan - DVI-VGA-haši.