CMOS (Complementary Metal-Oxide Semiconductor) sensors ya kamatawaimage sensorteknolojiyi a cikin kamin digital cameras a jirgin nowo, daga phones to DSLRs.

CMOSKumantaccen

Taswira Photodiode
Tsarin photodiode shine babban abu a cikin layi tare da firikwensin CMOS. Kowane irin wannan pixel yana dauke da wani mai gano haske, wanda shine na'urar semiconductor wanda ke samar da wutar lantarki lokacin da aka canza radiation da ke shiga cikin wutar lantarki. Ana canza haske zuwa cajin lantarki ta hanyar photodiode ta hanyar da ake amfani da girman cajin lantarki zuwa ƙarfin haske.

Rubutuwa Na Transistors
Kewaye da kowane pixel a cikin firikwensin CMOS ya ƙunshi masu wucewa ban da photodiode. Transistors sune na'urorin lantarki waɗanda ke karɓar siginar lantarki mai rauni da haɓaka siginar da canja wurin siginar daga wannan yankin zuwa wani. Wadannan da'irori, suna yin lambar analog, wanda shine sakamakon diode na hoto, wanda suke aiki.

Bayan Fara
Sai dai sai photodiodes (na'urori masu auna sigina) su bi haske kuma su mai da shi lantarki. Mataki na gaba shi ne karatu. Da'irori tare da transistors ga kowane pixel karɓar cajin lantarki da suke karawa kuma tura su zuwa kewaye wanda a ƙarshe ya canza su cikin siginar dijital da ke fitowa daga mai sarrafawa. Mai sarrafa hoton na kyamarar yakan sarrafa siginar dijital da ke biyo baya, wanda ke daidaita hoton.

Sunan rubutun na farko da aka yi:

• Sensar CMOS ya kai rayuwanci da photosites, idan photosite shine a cikin shi ya kamata photodiode an yi amfani da suna da transistor access.
• Idan haurar zuciya za'a su photodiode, suka yi amfani da charge don zuciyar wani aiki. Suna na farko ya gabatar voltage mai tsarin wannan gaba.
• Transistors suka samun aikinsu voltage pixel da pixel da keƙe suka fuskanta zuwa data digital.
• Analog-to-digital converters (ADC) a cikin chip suka samun voltages pixel zuwa alamar rubutu mai aiki don yanzu waɗanda suka yi amfani da digital image.
• Sensar CMOS suka yi amfani da sensing, digitizing da wani aiki daga sensor shine, binciken CCD chips.
• Nuna ya kawo sensar CMOS suka samun pixels kushe don aikinsu video recording samun wani da aka samun inactives don saukar power.

Wannan suna, sensors CMOS suka yi amfani da photons na hikuri a cikin rubutuwar electric voltage dai dai shi suka samuwa da wanda suka yi amfani da digital photograph. Tare da kewaye ta wannan technologi ne ya gabata daga karatun haifarar gaba, tafarki na daya, da compatibility na semiconductor manufacturing.

Sabon Gaba:

Gaba: Suna cikin CMOS na CCD sensor yana shida?

Ji: Sensors CCD suka bukatar off-chip processing don CMOS suka yi amfani da on-chip, yanayana da performances mai jihar da tafarki na power usage na functions na sensor suka yi amfani da CMOS sensors.

Kammalawa

Yadda suka samiwa da processin sabon photoelectric na digital conversion a cikin sensor CMOS suka zama sabuwar kuma wannan technologi ne ya gabata daga karatun haifarar gaba image sensor suka gabata digital cameras a cikin yanzu. On-chip design suka enable key advantages over CCDs suka make suka yi amfani da popular choice.