Of technologyKorantada

Kordhiyo Hawleed: tilmaanta, mabda 'hawlgalka, isticmaalka

korantada Analog - mid ka mid ah qaybaha ugu muhiimsan ee ku korantada, taas oo uu noqday dhagaxa tallaabsashada si ka resistors, rheostats iyo ammeters guurto digital "cabiraada" ah. Isticmaalka isku dhafan ee qaybaha badan korontada iyo sameynta a wareeggeedii adag, korantada analog ayaa loo ogol yahay si ay u isticmaalaan si ay u gaaraan sawir oo ka mid ah qalabka digital fudud. Maanta, qalabka korontada analog - aasaas u ah circuitry korontada maanta ee adag.

Mid ka mid ah qalabka korontada analog - op-amp, taas oo ah nidaamka adag multistage isticmaalaya semiconductors. In foomka muhiim ah oo qalab this waxay leedahay laba gashiga, kuwaas oo loo rogay in kasta oo kale. Waxaa xusid mudan in mid ka mid ah sifooyinka bedelka signal helo Guntin waa qiimaha badan oo faa'iido ah.

fulinta oo qayb muujinaysa in kordhiyo ka hawl la dhigayaa in ay ku takhasusaan mid ka mid ah blocks chip shaqeeya. circuitry qalab this, iyo sidoo kale dhammaan qaybaha kale, helay naqshada gaar ah. Sida caadiga ah, ee jaantus circuit kordhiyo hawl wakiil saddexagalka weyn. Recently, si kastaba ha ahaatee, suurto gal ah in la helo astaan kale oo loogu talagalay kordhiyo ah - leydi saddex xagal ah gudaha. Inta badan, naqshada noocan oo kale ah la soo bandhigay uu u fududayn lahaa sawir ka mid ah qalabka ee jaantus block.

Hawlgalada codsiyada kordhiyo maanta waa mid aad u kala duwan. Kuwani waxay qalab multistage waxaa loo isticmaalaa in kala duwan oo Sammeecado for calaamadaha kala duwan. Intaas waxaa sii dheer, kordhiyo ka hawl waxaa badanaa loo isticmaalaa in matoor ee signallo koronto, iyo sidoo kale sida diirada kala duwan ka soo noqnoqoshada audio. Intaa waxaa dheer, awood uu noqday aalad aan maarmaan jaantuska habka ay gacanta ku hannaanka ka mid ah tiro ahaaneed (sida, xarumaha cimilada) ah.

Mabda'a hawlgalka ee kordhiyo ka hawl waxaa inta badan marka la barbar dhigo qolfo cadarsameeyaha oo kale, irbadda ah kaas oo kubad dhinaca halkaas oo load ku on koobka ugu weyn. kordhiyo ka hawl Kaliya waxaa lagama maarmaan ah in la ogaado mid ka mid ah koobabka by a "+", kii labaadna wuxuu ahaa - "-" iyo qiimaha cabbiro si uu u bedelo volts halkii garaam. Sidaas darteed, soo kordhiyo module danab a is barbardhig hal iyo talooyin labaad. (- haddii kale negative) haddii farqiga u iman kara on talooyinka toos waa ka weyn yahay bedelka ah, danab wanaagsan ahbaa ee wax soo saarka.

Ku soo noqoshada magacaabista ah ee Sammeecado hawl jaantuska Bannaanka in la ogaadaa in ay helaan si toos ah waxaa inta badan muujinaysaa by a "+" iyo bedelka ah - "-". Si kastaba ha ahaatee, characters kuwa had iyo jeer ma codsan doonaa! Mararka qaarkood qorsheyaasha ee calaamad galo aan la dhigay, laakiin halkii ay rogay note aqbasho in foomka of wareegyada yar.

In si loo yareeyo u nuglaanta ee kordhiyo ka hawl si gariirka aqbasho signal korontada farsamada soo gashay kordhiyo ah hawl CCA --celin xun. Iyada oo la adeegsanayo qaybaha circuit sida xarunta daayo talooyin ah rogay via resistor u gaar ah, leexashooyinkaasi yar ka signal a talooyin siiyey aan la qabtay kordhiyo ka hawl lagu jiro hawlgalka.

Mararka qaarkood, waayo kordhiyo ka hawl jaantuska circuit aaladaha adag a isticmaalaa ra'yi-celin wanaagsan, halkaas oo xarunta soo saaray talooyin wanaagsan iyo wax soo saarka via resistor u gaar ah. kooxda xiiso leh saamayn muuqata marka la isticmaalayo-celin wanaagsan - "loop hysteresis".

Gebogebadii, ka Sammeecado hawl loo isticmaalaa sida unipolar marka, meesha iyo in korontada cirifoodka.

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