Thaum siv ntau qhov kev ntsuas kom ntsuas cov dhuav dhau ntawm ib daim diode, vim li cas hauv txhua qhov)
Ib qho digital motionsident ntsuas ntsuas tus nqi. Nws siv A / D Conversion nti kom hloov lub teeb liab analog rau hauv lub cim digital thiab tom qab ntawd qhia txog tus nqi tiv taus. Ib qho analog mulc analimeter, ntawm qhov tod tes, qhia tus nqi los ntawm kev deflection ntawm lub taub hau sib nqus. Yog tias nyob hauv kev ntsuas tiag tiag, peb pom tias thaum siv cov digital ntau ntawm cov diode, thaum siv cov txiaj ntsig tsis kam ua, muaj feem ntau yog cov laj thawj hauv qab no:
Kev ntsuas ntawm cov diode ntawm Circuit Court Board
Firstly, cov zis vololages ntawm cov tsis kam ntawm lub analog multimeter thiab cov digital pultimimeter yog txawv. Feem ntau, cov zis ntau tshaj plaws ntawm ib qho kev ntsuas hluav taws xob ntau yog 9 volts, thaum cov digital voltage feem ntau yog 3 volts. Nyob rau tib lub sijhawm, tsis yog lawv cov zis vololages sib txawv, tab sis thaum peb xaiv sib txawv thaum ntsuas kev ntsuas, cov zis tawm kuj txawv. Cov zis voltagages ntawm cov tsis kam ntawm cov digital ntau ntau los ntawm 1.0 volt rau 3.0 volts. Cov zis hluav taws xob ntawm cov kev tiv thaiv ntau ntau ntawm cov analog motimeter feem ntau yog ntau dua li cov digital motimeter. Cov zis hluav taws xob ntawm lub qhov quav cawv loj dua qhov voltage poob tus nqi ntawm Diode, yog li cov diode tuaj yeem ua tau. Txawm li cas los xij, qee zaum cov zis hluav taws xob ntawm cov digital pultimeter yog tsawg dua li cov voltage poob tus nqi ntawm Diode, ua rau Diode tsis txhob coj. Qhov no yuav ua rau muaj ib qho tsis muaj zog muaj nqis nyob rau hauv ob qho tib si rau cov lus qhia thiab thim rov qab thaum ntsuas DIODE.
Thib ob, qhov sib txawv voltage poob cov yam ntxwv ntawm downes yuav ua rau kev ntsuas cov txiaj ntsig thaum peb siv ntau yam kev sib tw ntawm kev ntsuas diodes. Piv txwv li, cov voltage poob txiaj ntsig ntawm silicon diodes thiab Germanium dodes feem ntau ntawm 0.3 volts thiab 0.6 volts. Tab sis rau qee qhov tshwj xeeb ddays, xws li high- conduction voltage poob yog loj, feem ntau mus cuag ntau tshaj 0.7 volts. Txij li thaum lub voltage ntawm cov kev tawm tsam ntau ntawm peb cov digital multiately yog tsawg thiab tsis tuaj yeem ua rau tus neeg ua yeeb yam, ntsuas tus nqi yuav tshwm sim tsis kawg.
