Saamaynta diode-ka silikoon carbide ee awooda sare lehSawir-qaade PIN
Silicon carbide PIN diode-ka awoodda sare leh wuxuu had iyo jeer ahaa mid ka mid ah meelaha ugu kulul ee cilmi baarista qalabka korontada. diode-ka PIN waa diode crystal ah oo lagu dhisay sandwiching lakabka semiconductor gudaha ah (ama semiconductor leh xooga wasakh yar) inta u dhaxaysa gobolka P+ iyo gobolka n+. I ee ku jira PIN waa soo gaabinta Ingiriisi ee macnaha "dhexdhexaad ah", sababtoo ah suurtagal maaha in la jiro semiconductor saafi ah oo aan wasakh ahayn, markaa lakabka I ee PIN diode ee arjiga ayaa aad u badan ama ka yar oo lagu qasi karo qadar yar oo ah nooca P-type ama N-nidaamka. Waqtigan xaadirka ah, silikoon carbide PIN diode inta badan wuxuu qaataa qaab dhismeedka Mesa iyo qaab dhismeedka diyaaradda.
Marka inta jeer ee hawlgalka PIN diode uu dhaafo 100Mhz, saamaynta kaydinta dhawr sideyaal iyo saamaynta wakhtiga transit ee lakabka I, diode lumin saamaynta hagaajinta oo uu noqdo element impedance ah, oo qiimihiisu isbedbeddelo danab eexda. Marka eexda eber tahay ama eexda gadaal ka ah DC, caqabada gobolka I aad buu u sarreeyaa. Eexda hore ee DC, gobolka I wuxuu soo bandhigayaa xaalad cakiran oo hoose oo ay ugu wacan tahay duritaanka side. Sidaa darteed, diode-ka PIN-ka waxaa loo isticmaali karaa sidii element impedance doorsoome ah, berrinkii microwave iyo kantaroolka RF, inta badan waa lagama maarmaan in la isticmaalo aaladaha beddelka si loo gaaro beddelka calaamadaha, gaar ahaan qaar ka mid ah xarumaha kontoroolka calaamadaha-sare, PIN diodes waxay leeyihiin awood sare oo xakameynaya calaamadaha RF, laakiin sidoo kale si ballaaran ayaa loo isticmaalaa wareegga wareegga, beddelka, xaddidaadda iyo wareegyada kale.
Silikoon carbide diode ee awoodda sare leh ayaa si weyn loogu isticmaalaa goobta korantada sababtoo ah sifooyinkeeda iska caabbinta korantada sare, inta badan waxaa loo isticmaalaa sida tuubada toosiyaha tamarta sare leh. ThePIN koodkawaxay leedahay koronto burburka muhiimka ah ee VB oo sarreeya, taasoo ay ugu wacan tahay lakabka doping-ga hooseeya ee dhexda oo qaadaya hoos u dhaca danabka ugu weyn. Kordhinta dhumucda aagga I iyo yaraynta fiirsashada doping ee aagga Waxaan si wax ku ool ah u wanaajin karaa korantada burburka gadaale ee PIN diode, laakiin joogitaanka aagga waxaan hagaajin doonaa hoos u dhaca danabka hore ee VF ee aaladda oo dhan iyo waqtiga beddelka aaladda ilaa xad, iyo diode ka samaysan walxaha silikoon carbide ayaa ka dhigi kara cilladahan. Silikon carbide 10 jeer burburka muhiimka ah ee beerta silikoon, sidaa darteed dhumucda silikoon carbide diode I aagga dhumucdiisuna waxay hoos u dhigi kartaa toban meelood meel tuubada silikoon, iyadoo la ilaalinayo korantada burburka sare, oo ay weheliso kuleylka wanaagsan ee agabka silikoon carbide, ma jiri doonto dhibaatooyin cad oo kulaylka ah, sidaa darteed awoodda sare ee Silicon carbide diode waxay noqotay mid aad muhiim u ah qalabka korontada ku shaqeeya ee casriga ah.
Sababo la xiriira qulqulka aadka u yar ee hadda jira iyo dhaq-dhaqaaqa side sare, silikoon carbide diodes ayaa soo jiidasho weyn u leh goobta ogaanshaha sawir-qaadista. Daqiiqada yar yar waxay yarayn kartaa hadda mugdiga ah ee qalabka wax qabad waxayna yarayn kartaa qaylada; Dhaqdhaqaaqa side sare ayaa si wax ku ool ah u wanaajin kara dareenka silikon carbideBaaraha PIN(PIN sawir qaade). Sifooyinka awoodda sare leh ee silikoon carbide diodes waxay awood u siinaysaa baarayaasha PIN inay ogaadaan ilaha iftiinka xooggan oo si weyn loogu isticmaalo goobta bannaan. Silicon carbide diode awood sare leh ayaa fiiro gaar ah loo siiyay sababtoo ah sifooyinkeeda ugu fiican, cilmi-baaristeeda ayaa sidoo kale si weyn loo horumariyay.
Waqtiga boostada: Oct-13-2023