Ja na halin yanzu da ban ruwa na yanzu sune sigogi na auna ƙarfin fitar da kewayawa (bayanin kula: ja da ban ruwa duk don ƙarshen fitarwa ne, don haka shi ne iyawar direba) sigogi.Ana amfani da wannan bayanin gabaɗaya a cikin da'irori na dijital.
A nan dole ne mu fara bayyana cewa ja da ban ruwa halin yanzu a guntu manual ne mai siga darajar, wanda shi ne babba iyaka na fitarwa m ja da ban ruwa halin yanzu a cikin ainihin kewaye (an yarda iyakar dabi'u).
Manufar da za a ambata a ƙasa shine ainihin ƙimar a cikin kewaye.
Saboda fitowar da'irori na dijital yana da girma kawai, ƙananan (0, 1), ƙimar lantarki:
Lokacin da babban matakin fitarwa ya fito, ana ba da fitarwa gabaɗaya ga kaya.Ana kiran ƙimar halin yanzu "pull current";
Lokacin da ƙaramin matakin fitarwa shine gabaɗaya halin yanzu don ɗaukar kaya, ƙimar shayarwar halin yanzu ana kiranta "ban ruwa (shiga) halin yanzu".
Don na'urar shigar da halin yanzu:
Wurin da ke shigowa da na yanzu na sha shine shigarwa.Halin halin yanzu ba shi da iyaka, kuma abin sha na yanzu yana aiki.
Idan halin yanzu na waje ya ratsa ta cikin guntu fil, 'na gudana' a cikin guntu ana kiransa ruwan ruwa (ana ban ruwa);
Sabanin haka, idan abin da ke ciki ta cikin guntu fil daga guntu 'na gudana' ana kiran shi jan yanzu (ana ciro);
Me yasa zan iya auna iyawar tuki?Ƙungiya
Lokacin da ma'anar fitowar kofa ta yi ƙasa, ruwan da ake shayar da shi a cikin kofa na tunani ana kiransa ruwan ban ruwa.Mafi girma na halin yanzu na ban ruwa, mafi girma ƙananan matakin ƙarshen fitarwa.Hakanan za'a iya ganin shi daga yanayin yanayin fitarwa na triode.Mafi girman halin yanzu na ban ruwa, mafi girman faɗuwar ƙarancin ƙarfin lantarki, kuma mafi girman ƙananan matakin.Koyaya, ƙananan matakin ƙofar dabaru yana iyakance, kuma yana da matsakaicin UOLMAX.Lokacin aiki a ƙofar dabaru, ba a yarda ya wuce wannan ƙimar ba.Ƙimar Ƙofar dabaru na TTL ta ƙayyade UOLMAX ≤0.4 ~ 0.5V.Saboda haka, akwai wani babba iyaka na ban ruwa halin yanzu.
Lokacin da ƙarshen fitowar kofa mai ma'ana ya yi girma, halin yanzu a ƙarshen fitowar ƙofar ma'ana yana gudana daga ƙofar dabaru.Wannan halin yanzu ana kiransa pull current.Mafi girma da ja na yanzu, ƙananan babban matakin ƙarshen fitarwa.Wannan shi ne saboda fitarwa-level triode yana da juriya na ciki, kuma raguwar ƙarfin lantarki akan juriya na ciki zai rage ƙarfin fitarwa.Mafi girma da ja na yanzu, ƙananan babban matakin ƙarshen fitarwa.Koyaya, babban matakin ƙofar dabaru yana iyakance, kuma yana da ƙaramin UOHmin.Lokacin aiki a cikin ƙofar dabaru, ba a yarda ya wuce wannan ƙimar ba.Ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun kofa na TTL uohmin ≥2.4V.Saboda haka, akwai kuma babban iyaka na jan halin yanzu.
Ana iya ganin cewa akwai iyaka na sama a kan jujjuyawar halin yanzu da na ban ruwa a kan ƙarshen fitarwa.In ba haka ba, lokacin da babban matakin fitarwa, jan halin yanzu zai rage matakin fitarwa fiye da UOHMIN;lokacin da ƙananan matakan fitarwa, halin yanzu na ban ruwa zai sa matakin fitarwa ya fi UOLMAX.
Saboda haka, ja da ban ruwa halin yanzu suna nuna iyawar fitar da fitarwa.(Mafi girman juzu'in guntu da ƙimar siginar ban ruwa na yanzu, yana nufin cewa guntu na iya haɗa ƙarin lodi, saboda, kamar ƙarfin ban ruwa yana da nauyi, ƙarin kaya;
Saboda babban matakin shigar da halin yanzu ƙarami ne, a matakin ƙananan matakin, gabaɗaya baya buƙatar la'akari da shi.Ƙananan matakin halin yanzu yana da girma kuma a matakin milliamp.
Saboda haka, sau da yawa babu matsala tare da ƙananan matakin ban ruwa na halin yanzu.Yi amfani da fanka don bayyana iyawar ƙofar ma'ana don fitar da kofofin makamancin haka.Masoyi daga cikin tausayi shine rabon ƙananan matakan fitarwa na yanzu da matsakaicin matsakaicin halin yanzu na ƙananan matakin.
A cikin da'irar da aka haɗa, tsotsa halin yanzu, fitar da fitarwa na yanzu da fitarwar ban ruwa na yanzu ra'ayi ne mai mahimmanci.
Cire sama da ɗigo, mai aiki na yanzu mai aiki, yana daga abin fitarwa na yanzu;
Ban ruwa yana caji, halin yanzu mai shigar da ƙara, wanda ke gudana daga tashar fitarwa;
Wahala tana shakar halin yanzu, wanda ke gudana daga tashar shigar da bayanai.
A halin yanzu tsotsa da ban ruwa halin yanzu su ne na yanzu gudana a cikin guntu daga waje da'irar guntu.Bambanci shine cewa halin yanzu na sha yana aiki, kuma halin yanzu yana gudana daga ƙarshen shigarwar guntu.Ƙimar da ke gudana ba ta da ƙarfi, kuma ana kiran halin yanzu da ke gudana daga ƙarshen fitarwa a cikin halin yanzu.
Juyin halin yanzu shine fitarwa na yanzu wanda babban matakin fitarwa na dijital ya samar zuwa kaya.Ƙananan matakin fitarwa lokacin da halin yanzu na ban ruwa shine shigarwar halin yanzu zuwa da'irar dijital.Haƙiƙa sune abubuwan shigarwa da fitarwa na yanzu.
Matsakaicin shayarwa shine na tashar shigarwa (input ƙarshen shigarwar), da kuma jan ruwa (ƙarshen fitarwa yana gudana) da na yanzu na ban ruwa (ƙarshen fitarwa yana ban ruwa) yana da ƙarancin fitarwa.
Lokacin aikawa: Jul-08-2023