Ke nānā nei i kahi transistor: wehewehe i kēlā me kēia ʻanuʻu

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I kekahi manawa i hala aku nei ua paʻi mākou i kahi aʻo e pili ana pehea ʻoe e hiki ai hōʻoia capacitors. ʻO ka manawa kēia o kekahi pono uila ʻāpana, pehea kēia. Maʻaneʻi hiki iā ʻoe ke ʻike pehea kaha i kahi transistor Ua wehewehe maʻalahi a me ka ʻanuʻu, a hiki iā ʻoe ke hana me nā pono hana e like me ka multimeter.

ka Hoʻohana ākea nā transistors i ka lehulehu o nā uila uila a me nā uila no ka mālama ʻana me kēia mea paʻa paʻa. No laila, hāʻawi ʻia i ka pinepine o ia mau mea, ʻike ʻiʻo ʻoe i nā hihia kahi āu e nānā ai iā lākou ...

He aha kaʻu e pono ai?

pehea e koho ai i ka multimeter, pehea e hoʻohana ai

Inā loaʻa iā ʻoe he multimeter maikaʻi, a i ʻole multimeter, ʻo ia wale nō ka mea āu e hōʻoia ai i kāu transistor. ʻAe, kēia Multimeter he hana kāna e hoʻāʻo ai i nā transistors. ʻO ka nui o nā multima uila o kēia lā ka loaʻa o kēia hiʻohiʻona, a me nā mea ʻemi hoʻi. Me ia hiki iā ʻoe ke ana iā NPN a i ʻole PNP bipolar transistors e hoʻoholo inā hemahema lākou.

Inā ʻo ia kāu hihia, e hoʻokomo wale ʻoe i nā mākia ʻekolu o ka transistor i ke kumu o ka multimeter i kuhikuhi ʻia no ia, a hoʻonohonoho i ka mea koho ma ka kūlana hFE e ana i ka loaʻa. No laila hiki iā ʻoe ke kiʻi i kahi heluhelu a nānā i kahi ʻikepili inā pili ia i ka mea e hāʻawi ʻia.

Nā anuu e nānā ai i kahi transistor bipolar

pehea e koho ai i ka multimeter

Minamina, ʻaʻole nā ​​multimeter a pau i kēlā hiʻohiʻona maʻalahi, a i e hoʻāʻo ma kahi ʻano ʻoi aku ka lima me kekahi multimeter e hana ʻoe i ka mea ʻokoʻa, me ka hana hōʻike «Diode».

  1. ʻO ka mea mua e wehe i ka transistor mai ke kaapuni e loaʻa kahi heluhelu ʻoi aku ka maikaʻi. Inā he ʻāpana ʻaʻole i solder, hiki iā ʻoe ke mālama i kēia kaʻina.
  2. Hōʻoia Ke kumu i ka mea hoʻopuka:
    1. E hoʻohui i ke kēpau maikaʻi (ʻulaʻula) o ka multimeter i ke kumu (B) o ka transistor, a me ke alakaʻi maikaʻi ʻole (ʻeleʻele) i ka emitter (E) o ka transistor.
    2. Inā he transistor NPN ia i ke kūlana maikaʻi, pono ka mika e hōʻike i kahi hāʻule uila ma waena o 0.45V a me 0.9V.
    3. Inā he PNP ia, e ʻike ʻia nā hua mua OL (Over Limit) ma ka pakuhi.
  3. Hōʻoia Kumu i ka ʻĀina:
    1. E hoʻohui i ke kēpau maikaʻi mai ka multimeter a hiki i ke kumu (B), a me ke kēpau maikaʻi ʻole i ka mea hōʻiliʻili (C) o ka transistor.
    2. Inā he NPN ia i ke kūlana maikaʻi, e hōʻike ia i kahi kulu uila ma waena o 0.45v a me 0.9V.
    3. Inā he PNP, a laila e hōʻike hou ʻia ʻo OL.
  4. Hōʻoia Ka mea hoʻopuka i Base:
    1. E hoʻohui i ka uea maikaʻi i ka emitter (E) a me ka uea maikaʻi ʻole i ke kumu (B).
    2. Inā he NPN i ke kūlana kūpono e hōʻike iā OL i kēia manawa.
    3. I ka hihia o ka PNP, e hōʻike ʻia kahi kulu o 0.45v a me 0.9V.
  5. Hōʻoia ʻOhiʻohi i ka waihona:
    1. E hoʻohui i ka maikaʻi o ka multimeter i ka mea hōʻiliʻili (C) a me ka mea maikaʻi ʻole i ke kumu (B) o ka transistor.
    2. Inā he NPN ia, pono ia e hōʻike ma ka pale OL e hōʻike ai ua maikaʻi.
    3. I kahi o kahi PNP, e hāʻule hou ka hāʻule 0.45V a me 0.9V inā maikaʻi.
  6. Hōʻoia ʻOhiʻohi i ka Emitter:
    1. E hoʻohui i ka uea ʻulaʻula i ka mea hōʻiliʻili (C) a me ka uea ʻeleʻele i ka emitter (E).
    2. Inā ʻo NPN a i ʻole PNP i kahi kūlana kūpono, e hōʻike iā OL ma ka papakaumaka.
    3. Inā hoʻohuli ʻoe i nā kaula, ka maikaʻi ma ka emitter a me ka maikaʻi ʻole ma ka mea hōʻiliʻili, ma ka PNP a me ka NPN, heluhelu pū ʻia ʻo OL.

ʻAʻohe ana ʻokoʻa o kēlā, inā hana pololei ʻia, e hōʻike ana he maikaʻi ʻole ka transistor. Pono ʻoe e noʻonoʻo i kahi mea ʻē aʻe, a ʻo ia wale nō e ʻike ai kēia mau hoʻokolohua inā he pōkole pōkole ka transistor a wehe paha lākou, akā ʻaʻole nā ​​pilikia ʻē aʻe. No laila, ʻoiai e hala ia iā lākou, he pilikia ʻē aʻe paha kā ka transistor e pale ai i kāna hana pololei.

FET transistor

I ka hihia o ka a FET transistor, ʻaʻole kahi bipolar, a laila pono ʻoe e hāhai i kēia mau kaʻina ʻē aʻe me kāu multimeter uila a analog paha.

  1. E hoʻokomo i kāu multimeter i ka hana hōʻike diode, e like me ma mua. A laila e kau i ka ʻimi ʻeleʻele (-) ma ke kikowaena Drain, a me ka ʻulaʻula ʻulaʻula (+) ma ka pūnaewele Source. ʻO ka hopena e heluhelu i 513mv a i ʻole like, e like me ka ʻano o FET. Inā ʻaʻole i loaʻa ka heluhelu, e wehe ia a inā he haʻahaʻa loa e pōkole ia.
  2. Me ka hemo ʻole o ka wēlau ʻeleʻele mai ke kahawai, e kau i ka piko ʻulaʻula ma ka palena o ka Puka. I kēia manawa ʻaʻole pono ka hoʻāʻo e hoʻihoʻi i kahi heluhelu. Inā hōʻike ia i nā hopena ma ka papakaumaka, a laila e loaʻa kahi kulu a i ʻole kaapuni pōkole.
  3. E kau i ka piko i loko o ka punawai, a ʻo ka mea ʻeleʻele e noho i ka pā. E hoʻāʻo kēia i ka hui Drain-Source ma ka hoʻoulu ʻana iā ia a loaʻa i kahi heluhelu haʻahaʻa e pili ana i 0.82v. No ka hoʻopau ʻana i ka transistor, pono e pōkole ke kaʻina o kāna mau kikowaena ʻekolu (DGS), a hoʻi mai ia mai ka moku a i ka mokuʻāina hana ʻole.

Me kēia, hiki iā ʻoe ke hoʻāʻo i nā transistors ʻano FET, e like me MOSFETs. E hoʻomanaʻo e loaʻa i nā ʻenehana loea a i ʻole ʻikepili o kēia mau mea e ʻike inā lawa nā waiwai āu i loaʻa ai, no ka mea ʻokoʻa ia e like me ke ʻano o ka transistor ...


Hoʻopili ka ʻike o ka ʻatikala i kā mākou kumumanaʻo o ka hoʻoponopono hoʻoponopono. E hōʻike i kahi kaomi hemahema ʻaneʻi.

E lilo i mea mua e wehewehe

E waiho i kāu manaʻo

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  1. He kuleana no ka ʻikepili: Miguel Ángel Gatón
  2. Ke kumu o ka ʻikepili: kaohi SPAM, hoʻokele ʻōlelo.
  3. Legitimation: Kou ʻae
  4. Ka kamaʻilio ʻana o ka ʻikepili: ʻaʻole e hōʻike ʻia ka ʻikepili i nā ʻaoʻao ʻekolu koe ka mana o ke kānāwai.
  5. Pūnaewele mālama: Pūnaewele i mālama ʻia e Occentus Networks (EU)
  6. Nā Kuleana: I kēlā me kēia manawa hiki iā ʻoe ke palena, hoʻōla a kāpae i kāu ʻike.