I-CRT-monitor: incazelo, izakhi eziyisisekelo zedivayisi

Umqaphi we-CRT yidivayisi esekelwe ku- tube cathode-ray. Lolu buchwepheshe lwasungulwa emuva ngo-1897 ngumsosayensi waseJalimane uFran Brown. Ekuqaleni, yadalwa njengethuluzi elikhethekile elenzelwe ukukala okwamanje (i-oscilloscope).

I-CRT-monitor kanye nokwakhiwa kwayo

Into esemqoka yedivayisi enjalo i-kinescope. Iqukethe i-glass hermetic tube, lapho umoya ususwe khona (okungukuthi, i-vacuum ngaphakathi). Umkhawulo owodwa we-tube uphahla futhi ububanzi - lesi sikrini, kanti enye - eside futhi encane - iyintamo. Ingxenyeni yangaphambili ye-tube esuka ngaphakathi ihlanganiswa nokubunjwa kwe-phosphor (okusekelwe ku-yttrium ne-erbium). Isici esilandelayo somqaphi we-CRT yisibhamu se-electron, lapho umfudlana we-electron uvela ngaphansi kwesenzo se- electrostatic field , ukuze isithombe sibonakale esibukweni. Izinhlayiya eziqhamukayo zidlula ngaphakathi kwe- lattice yensimbi bese ziwela ohlangothini lwangaphakathi lwesibuko, zigcwele amaphuzu e-phosphor emibala ehlukahlukene. Uhlelo oluyisipesheli lokuzihlukumeza luqinisekisa ukuqhutshwa kwesibhamu esiqhubekayo kwenkambu yesikrini. Izinhlelo zokuphambuka zinezinhlobo ezimbili: i-saddle kanye ne-toriidal. Uhlelo luqukethe ama-inductors abekwe emlonyeni we-kinescope.

Isici esilandelayo esichaza umqaphi we-CRT wuhlaka kanye ne-unit scan scan. Le node iyona mthombo oyinhloko wokuphazanyiswa ebangeni lemvamisa yokusebenza. Amandla asetshenziswe kulezi zindawo zingenye yezici eziyinhloko okufanele zicatshangelwe uma uklama umqaphi we-CRT. Isici esilandelayo sokuklama yi-module modulator, ehambisana nesistimu yokusheshisa, esebenza ngokusemthethweni. Ngenxa yalezi nodes, ama-electron athola amandla, ingxenye yayo edlalwa yi-luminescence ye-phosphor.

Ubuchwepheshe be-RGB

Ngokuvamile umbala we-CRT umbala uqukethe izibhamu ezingu-3 ze-electronic, kanye ne-monochrome eyodwa. Lezi zinyoni zihambisana nemibala esemqoka: eluhlaza, obomvu nokuluhlaza okwesibhakabhaka. Inhlanganisela yabo iyakwazi ukudala inombolo engapheli yemibala nemibala. Ukulawula amashubhu we-cathode-ray kudinga ukulawula i-electronics, okuyinto enquma ikhwalithi yokuqapha. Kuyinto umehluko emkhakheni we-elekthronikhi owenziwe ngabakhiqizi abahlukene, ingumgomo ohlukanisa umehluko phakathi kwe-CRT-Monitorers, naphezu kokuthi i-tube cathode-ray ngaphakathi kubo ifana. Ngakho-ke, izibhamu ngasinye ziveza ukuphuma okuthinta amaphuzu e-phosphor emibala ehlukahlukene. Igoli ye-elektroniki yombala ofanayo kufanele ithinte kuphela izakhi zombala wayo. Ukuze ufeze lesi senzo esithile sensimbi, sebenzisa imaski ekhethekile, isakhiwo esilandelayo kuhlobo lwe-kinescope.

Ukulungiswa kwe-CRT-monitor

Izinkinga eziyinhloko zamadivayisi we-CRT ukuphulwa komsebenzi wokusebenza kwamandla kagesi. Ngokuvamile lokhu kubangelwa ukushintshashintsha kwamandla kagesi kwinethiwekhi kagesi. Uma ukunikezwa kwamandla kwehluleka, ukuphazamiseka okuhambisana kwamanye amamojula, isibonelo, umbala oletha ukuphulwa, ukuphazamiseka kwesithombe, nakho kwenzeka. Ngaphezu kwamandla okuqhutshwa kwamandla, izimbangela zokuhluleka kwabaqaphi zivame ukulimala (impembe), ukutholakala emithonjeni yemisebe ye-electromagnetic, dustiness ye-monitor, ukushisa, ukuguga kwezici. Ukuphulwa kombuso wokushisa kungaholela ekuhlulekeni kwebhodi lokucubungula lezimpawu zevidiyo nesistimu yokwakheka. Ukuphulwa komsebenzi wokuskena okunqamule kungenxa yokuphazamiseka kwezikhathini eziphakeme ze-voltage kanye ne-TDKS. Esinye sezizathu zalesi simo yi-dustiness.