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Halayen Samfur

Canjin analog 

Theanalogues(koPETR)canza, kuma ake kira dacanji na biyu, wanilantarkibangaren da ke nuna hali irin na agudun ba da sanda, amma ba shi dasassa masu motsi.Abun sauyawa yawanci biyu ne naMOSFET transistor, daya na'urar N-channel, ɗayan na'urar P-channel.Na'urar zata iya gudanar da sigina na analog ko na dijital a kowane bangare idan kun kunna kuma ta keɓe tashoshin da aka kunna idan a kashe.Ana yin maɓalli na Analogue yawanci azamanhadedde da'iroria cikin fakitin da ke ɗauke da maɓalli da yawa (yawanci biyu, huɗu ko takwas).Waɗannan sun haɗa da 4016 da 4066 daga cikin4000 jerin.

Shigar da sarrafawa zuwa na'urar na iya zama sigina mai canzawa tsakanin ingantattun ƙarfin wutar lantarki da mara kyau, tare da mafi ingancin wutar lantarki yana kunna na'urar kuma mafi ƙarancin kashe na'urar.An ƙera wasu da'irori don sadarwa ta hanyar tashar jiragen ruwa tare da mai kula da runduna don saita masu kunnawa ko kashewa.

Dole ne siginar da ake kunnawa ya kasance a cikin iyakoki na ingantattun hanyoyin samar da wutar lantarki waɗanda ke da alaƙa da tashoshin jiki na P-MOS da N-MOS.Maɓalli gabaɗaya yana ba da kyakkyawan keɓe tsakanin siginar sarrafawa da siginonin shigarwa/fitarwa.Ba a amfani da su don sauya wutar lantarki mai girma.

Muhimman sigogin canjin analog sune:

• on-resistance: juriya lokacin da aka kunna.Wannan yawanci ya bambanta daga 5ohmszuwa 'yan ɗari ohms.
• kashe juriya: juriya lokacin da aka kashe.Wannan yawanci adadin megaohms ko gigaohms ne.
• kewayon sigina: ƙarami da matsakaicin ƙarfin lantarki da aka yarda don siginar ta wuce.Idan an wuce waɗannan, ana iya lalata maɓalli da igiyoyin ruwa da yawa.Tsofaffin nau'ikan sauyawa suna iya malallaba, wanda ke nufin suna ci gaba da gudanar da igiyoyin ruwa da yawa ko da bayan an cire siginar da ba ta dace ba.
• cajin allura.Wannan tasirin yana haifar da sauyawa don allurar ƙaramicajin lantarkicikin siginar idan ta kunna, yana haifar da ƙaramikarukokuskure.An ƙayyade allurar caji a cikicoulombs.

Ana samun maɓallan analog a duka biyunfasaha ta hanyar ramiko ta hanyarFasaha-Dutsen fasahakunshe-kunshe.

Canjin analog shine mai canzawa wanda ke amfani da halayen JFET ko MOS don sarrafa hanyar sigina.

Canjin analog shine maɓalli da ke amfani da shiAbubuwan da aka bayar na JFETkoMOSdon sarrafa hanyar sigina, kuma ana amfani da shi galibi don kammala aikin sauyawa na haɗin siginar ko cire haɗin.Saboda ƙarancin wutar lantarki, saurin sauri, babu lambobin injiniyoyi, ƙananan girman da tsawon rayuwar sabis, an yi amfani dashi sosai a cikin tsarin sarrafa atomatik daban-daban da samfuran dijital na lantarki.

Ana nuna tsarin tsarin CMOS na al'ada na analog na canji a cikin Hoto 1. Haɗa NMOS da PMOS a layi daya yana ba da damar sigina su wuce daidai gwargwado a cikin duka kwatance.Ana amfani da ƙofa don sarrafa kunnawa da kashe mai kunnawa.NMOS yana kunna lokacin da Vgs ke da inganci, kuma yana kashe lokacin da Vgs mara kyau, kuma PMOS yana yin akasin haka.Saboda halaye daban-daban na PMOS da NMOS, canjin da ya ƙunshi su yana da halayen da aka nuna a cikin adadi a ƙasa.Adadin siginar halin yanzu da ake ɗauka tsakanin NMOS da PMOS an ƙaddara ta hanyar rabon shigarwa zuwa ƙarfin fitarwa.Tun da maɓalli ba shi da matsalar zaɓin alkiblar halin yanzu, babu bambanci tsakanin shigarwa da fitarwa.Ana kunna ko kashe MOSFET biyu a ƙarƙashin ikon jujjuyawar ciki da dabaru marasa juyawa.Fa'idar musanya ta CMOS ita ce kewayon dogo-zuwa-dogo mai ƙarfi, aiki biyu, kuma juriya ya kasance baya canzawa lokacin da ƙarfin shigarwar ya canza.