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Misalai Cathode Ray Oscilloscope (CRO)

Edwiin
فیلڈ: Makaranta karamin kwarewa
China

Mai Cathode Ray Oscilloscope (CRO)?

Takaitaccen bayanin

Cathode Ray Oscilloscope (CRO) shine karamin kimiyya don liransu, tafiya da fahimtar abubuwa masu tsari da wasu abubuwan elektroniki/elektrika. A matsayin maimakonar X-Y na gaskiya, yana nuna alamomin kafa a cikin wani alamomin kafa ko lokaci. Yana iya tafiya da fahimta abubuwan tsari, abubuwan jiki da ke faru da zama da hawa masu daidai (daga haske zuwa hawa rayuwar), kuma ta yi aiki da ci gaba. Wasu abubuwan kayan ado (ci, sakata, kamar haka) zai iya canzawa zuwa ci a kan transducers don nuna.

Aikin Yawan Fadada

Dabba mai girma (daga fili mai tsakiyar elektron da ya sa shiga safin mai girma) ya zo a kan nuna da ci gaba saboda ci gaba. CRO na musamman ya yi amfani da ci mai hanyar na kasa (time base) don zo kasa zuwa yamma, kuma zo gabas an yi kudanci da ci gaba da aka bincike, wanda yake iya nuna alamomin kafa da ke faru da zama.

Gargajiya

Abubuwan gargajiya:

  • Cathode Ray Tube (CRT):Safin mai girma da take canza ci zuwa alamomin kafa, tare da fili mai tsakiyar elektron da kamar da plati mai canza (gabas/kasa). Filin ya fara fili mai tsakiyar elektron mai karfi; plati sun yi canza filin bako zuwa idan kan safin.

  • Electronic Gun Assembly:Yana fara da kara fili mai tsakiyar elektron, tare da heater, cathode (da barium/strontium don fara fili mai tsakiyar elektron), control grid (yana kawo takarda filin saboda potential mai haske), da kuma anodes (don kara ga ~1500V). Canza ana yi da kamar da kayan ado (na musamman a CROs).

  • Deflecting Plates:Biyu na biyu: “Y plates” (gabas) da “X plates” (kasa) sun kawo canza filin.

  • Fluorescent Screen:Faceplate na CRT (flat saboda safin dubu, curved saboda safin yawan) da ake sanya da phosphor. Elektron da suka sa shiga ta yana haɗa fluorescence (nuna rarrabe).

  • Glass Envelope:Na biyu mai fitowa, cone-shaped. Tushen mulki na da aquadag (kamar da kayan ado mai sa da accelerating anode) don taimaka canza filin.

Siffar Aiki

Elektron daga cathode sun zo da control grid (potential mai haske yana kawo takarda). Sun kara ga anodes, sun canza, da kuma sun canza da plati saboda ci gaba, suka sa shiga safin, sun nuna dabba mai girma don nuna abubuwan tsari.

Ba da damar zo da control grid, filin mai tsakiyar elektron ya zo da focusing da accelerating anodes. Accelerating anodes, a potential mai gaban gadi, sun haɗa filin zuwa idan kan safin.

Idan filin ya fara da accelerating anode, yana zo da plati mai canza. Idan ba a yi ci gaba a plati mai canza, filin ya nuna dabba a tukunukan safin. Idan a yi ci gaba a plati mai canza gabas, filin mai tsakiyar elektron ya canza zuwa gabas; idan a yi ci gaba a plati mai canza kasa, dabba mai girma ya canza kasa.

Ba da kyau kuma kara mai rubutu!
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