I-multimeter yemodi ye-Diode (ibhukwana nemiyalelo yokusetshenziswa)
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I-multimeter yemodi ye-Diode (ibhukwana nemiyalelo yokusetshenziswa)

19.02.2023 /

I-diode iyisisetshenziswa se-elekthronikhi esivumela ukugeleza kwamanje kuyo ngendlela eyodwa kuphela, hhayi ngokuphambene. Ama-Semiconductor diode ngokuvamile anesimiso sokuklama esijwayelekile, okuyi-P-type semiconductor block exhunywe ku-N-type semiconductor block futhi exhunywe kumatheminali amabili, okuyi-anode ne-cathode.

Isekethe elungisa kabusha iyisekhethi ye-elekthronikhi equkethe izingxenye ze-elekthronikhi eziguqula amandla ashintshanayo abe awamanje aqondile. Amasekhethi okulungisa kabusha asetshenziswa ezintweni zikagesi ze-DC noma izitholi zesiginali ze-RF emishinini yomsakazo. Isekhethi yokulungisa ngokuvamile iqukethe ama-semiconductor diode ukulawula amalambu amanje kanye ne-mercury rectifier noma ezinye izingxenye.

Ngokuvamile, indlela engcono kakhulu yokuhlola i-diode ukusebenzisa imodi ye-"Diode Test" ku-multimeter yakho, ngoba le modi ihlobene ngokuqondile nezici ze-diode. Ngale ndlela, i-diode iya phambili. I-diode evamile yokusebenza izophatha isimanje lapho ichemile ukuya phambili futhi kufanele ibe nokwehla kwamandla kagesi. Uma inani le-voltage elibonisiwe liphakathi kuka-0.6 no-0.7 (ku-silicon diode), khona-ke i-diode yinhle futhi inempilo.

Izinyathelo zokulinganisa i-Diode kumodi ye-"Test Diode".

  • Thola izigxobo ezinhle nezingezinhle zama-diode.
  • Gcina i-multimeter yakho yedijithali (i-DMM) kumodi yokuhlola ye-diode. Kule modi, i-multimeter iyakwazi ukuletha cishe u-2 mA phakathi kwemikhondo yokuhlola.(2)
  • Xhuma i-black test lead kutheminali enegethivu bese isivivinyo esibomvu siholele kutheminali ethi positive.
  • Bheka ukufundwa kusibonisi se-multimeter. Uma inani le-voltage elibonisiwe liphakathi kuka-0.6 no-0.7 (ku-silicon diode), khona-ke i-diode yinhle futhi inempilo. Kuma-germanium diode, leli nani lisukela ku-0.25 kuye ku-0.3.
  • Manje shintshanisa amatheminali amamitha bese uxhuma i-probe emnyama kutheminali ephozithivu kanye nophenyo olubomvu kutheminali eyinegethivu. Lesi yisimo sokuhlehla sokuchema se-diode uma kungekho okwamanje okugeleza kuyo. Ngakho-ke, imitha kufanele ifunde i-OL noma i-1 (okulingana nokuvula isifunda) uma i-diode inhle.

Uma imitha ibonisa amanani angahlobene nezimo ezimbili ezingenhla, khona-ke i-diode (1) inephutha. Amaphutha e-Diode angavuleka noma abe mfushane.

isiphetho

Kulesi sihloko, sinemiyalo enemininingwane yemodi ye-"Diode Test" yokulinganisa ama-diode. Sithemba ukuthi ulwazi esikunikezayo luzokusiza ufunde kabanzi ngamathuluzi kagesi.

Izincomo

(1) Ulwazi lwe-Diode - https://learn.sparkfun.com/tutorials/diodes/all

(2) Ulwazi lwamamitha amaningi - https://www.electrical4u.com/voltage-or-electric-potential-difference/

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