Taw qhia rau cov yam ntxwv ntawm diodes

Kev siv

qhia me ntsis

Diode yog ib qho khoom siv nrog ob lub tshuab hluav taws xob, PN kev sib tshuam tsim ntawm P-hom semiconductor thiab N-type semiconductor. Tam sim no tuaj yeem tsuas ntws tawm ntawm qhov hluav taws xob ntawm lub diode thiab ntws tawm hauv cathode .Nws muaj qhov hluav taws xob tsim nws tus kheej thiab feem ntau siv hauv qhov hluav taws xob rectifier.

Cov yam ntxwv zoo

Hauv qhov Circuit Court, lub cathode ntawm lub diode txuas nrog rau qhov hluav taws xob tsawg kawg, thiab lub anode txuas nrog lub high-voltage kawg. Lub sijhawm no, lub diode yuav tig rau. Lub xeev no hu ua kev tsis ncaj ncees. Thaum qhov hluav taws xob tsis sib txawv ntawm ob xaus ntawm lub diode yog tsawg heev, lub diode tsis tuaj yeem qhib. Vim tias tam sim no los ntawm cov diode muaj tsawg heev. Tsuas yog thaum pem hauv ntej voltage ntawm lub diode tau mus txog qee yam muaj nuj nqis (qhov qis tshaj tig-ntawm voltage ntawm silicon diode yog 0.6V, qhov qis tshaj tig ntawm voltage ntawm germanium diode yog 0.2V) yuav lub diode yuav tsum qhib. Tom qab tig, qhov hluav taws xob thoob plaws ntawm diode tseem tsis hloov (li ntawm 0.7V rau silicon diodes thiab txog 0.3V rau germanium diodes) Cov xwm txheej no hu ua diode rau pem hauv ntej voltage poob.

Cov yam ntxwv thim rov qab

Hauv qhov Circuit Court, thaum lub cathode ntawm lub diode txuas nrog lub siab voltage kawg, thiab qhov anode txuas nrog rau qhov hluav taws xob tsawg kawg, lub diode nyob hauv lub xeev txiav tawm lub sijhawm no thiab tsis muaj qhov cuam tshuam tam sim no. Thaum lub diode yog nyob rau hauv rov tsis ncaj, yog tias tseem muaj qhov tam sim no tsis muaj zog ntws los ntawm lub diode, qhov no yog qhov chaw xau. Thaum rov qab qhov hluav taws xob thoob plaws ntawm cov diode zoo nkauj nce mus txog qee yam muaj nuj nqis, qhov rov qab tam sim no yuav nce siab.