VGA (Video Graphics Array) wato tsararrun zane-zane na bidiyo, tare da babban ƙuduri, ƙimar nuni da sauri, launuka masu kyau, da sauransu. , tare da aikace-aikace masu yawa.
Abubuwan ƙira na VGA OUT PCB
1. Gabaɗaya shimfidar wuri, wurin zama na VGA yana kusa da guntun jujjuya da aka sanya, yi ƙoƙarin rage daidaita siginar analog na VGA.
2. Ana buƙatar maƙallan masu rarraba wutar lantarki na juyawa guntu wutar lantarki yana buƙatar a sanya su kusa da fitilun wutar lantarki na guntun juyawa.
3. VGA_R/G/B yana buƙatar haɗa 75ohm mai jujjuyawa mai jujjuyawa, daidaitaccen 1%;resistor dole ne a sanya shi kusa da guntu.
4. VGA_R / G / B jeri nisa a matsayin lokacin farin ciki kamar yadda zai yiwu, an bada shawarar cewa fiye da 12mil, da kuma tsawon bambanci tsakanin su ba zai wuce 200mil.
5. VGA_R / G / B buƙatun sigina a cikin keɓantaccen sarrafa ƙasa na fakiti, tazarar jeri na ƙasa na 300mil ko ƙasa da haka dole ne a sami ƙasa akan rami.
6. Siginar VGA_R / G / B da ke kusa da Layer dole ne ya zama jirgin ƙasa, ba jirgin wuta ba.
7. VGA_R/G/B sigina ba su da nisa daga LCD, DRAM da sauran layin sigina masu sauri, an haramta su a cikin manyan siginar siginar da ke kusa da daidaitawar Layer;an haramta shi a cikin layin sigina mai sauri kusa da rami don Layer;daidaitawa ba ya wuce ta yankin inductive;nesa da siginar RF da na'urori;
8. VGA_HSYNC/VSYNC RC tace dole ne a sanya shi kusa da wurin zama na VGA, jeri ba zai wuce Inci 6 ba.
9. Wurin zama na VGA duk sigina TVS tube ya kamata a sanya shi a kusa da wurin zama na haɗin gwiwa, siginar siginar: wurin zama VGA → TVS → guntu fil;Alamar ESD, ESD halin yanzu dole ne ya fara wucewa ta hanyar attenuation na'urar TVS;Daidaita na'urar TVS ba ta da ragowar kututture (Stub);Ana ba da shawarar fitilun ƙasa na TVS don ƙoƙarin ƙara ƙasa akan rami, aƙalla don tabbatar da cewa 0.4 * 0.2mm biyu akan ramin, don ƙarfafa ƙarfin fitarwa na lantarki.Ƙarfafa ƙarfin fitarwa na lantarki.
Zhejiang NeoDen Technology Co., LTD., An kafa shi a cikin 2010, ƙwararrun masana'anta ne na ƙwararrun na'ura na SMT da na'ura, tanda mai sake fitarwa, injin bugu na stencil, layin samar da SMT da sauran samfuran SMT.Muna da ƙungiyar R & D da masana'antar mallaka, suna amfani da fa'idodin abubuwan da muka samu R & D, da kyau sosai daga abokan cinikin duniya.
Mun yi imanin cewa manyan mutane da abokan haɗin gwiwa suna sa NeoDen ya zama babban kamfani kuma ƙaddamar da mu ga Innovation, Diversity da Dorewa yana tabbatar da cewa SMT aiki da kai yana samun dama ga kowane mai sha'awar sha'awa a ko'ina.
Lokacin aikawa: Satumba-05-2023