DIY Lub Mloog Pob Ntseg Nrov Nrov: Circuit Court Ntawm Plaub-channel Version Rau 4 Khub Ntawm Lub Mloog Pob Ntseg, Ua Tau Zoo Thiab Yooj Yim Suab Nrov Nrov

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Video: DIY Lub Mloog Pob Ntseg Nrov Nrov: Circuit Court Ntawm Plaub-channel Version Rau 4 Khub Ntawm Lub Mloog Pob Ntseg, Ua Tau Zoo Thiab Yooj Yim Suab Nrov Nrov

Video: DIY Lub Mloog Pob Ntseg Nrov Nrov: Circuit Court Ntawm Plaub-channel Version Rau 4 Khub Ntawm Lub Mloog Pob Ntseg, Ua Tau Zoo Thiab Yooj Yim Suab Nrov Nrov
Video: Tshuaj zoo lag ntseg thiab pob ntseg nrov nrov ( siripa) 11/12 2020 2024, Lub peb hlis ntuj
DIY Lub Mloog Pob Ntseg Nrov Nrov: Circuit Court Ntawm Plaub-channel Version Rau 4 Khub Ntawm Lub Mloog Pob Ntseg, Ua Tau Zoo Thiab Yooj Yim Suab Nrov Nrov
DIY Lub Mloog Pob Ntseg Nrov Nrov: Circuit Court Ntawm Plaub-channel Version Rau 4 Khub Ntawm Lub Mloog Pob Ntseg, Ua Tau Zoo Thiab Yooj Yim Suab Nrov Nrov
Anonim

Qee zaum lub ntim ntawm lub mloog pob ntseg tsis txaus. Nws tsim nyog sau cia tias lub mloog pob ntseg lawv tus kheej tsis raug liam rau qhov no, tab sis cov cuab yeej uas lawv tau siv. Lawv ib txwm tsis muaj lub zog txaus los muab lub suab meej thiab nrov. Qhov teeb meem no tuaj yeem kho tau yooj yim los ntawm kev tsim lub mloog pob ntseg tshwj xeeb. Hnub no muaj ntau lub tswv yim npaj los ntawm qhov uas koj tuaj yeem ua lub cuab yeej zoo los txhim kho suab.

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Kev cai tsim khoom dav dav

Muaj ntau lub ntsiab lus tseem ceeb los txiav txim siab thaum ua cov khoom siv.

Ua ntej tshaj plaws, lub suab nrov yuav tsum tsis txhob hnyav heev thiab siv qhov chaw ntau. Qhov no yooj yim kom ua tiav yog tias koj ua lub cuab yeej ntawm daim phiaj xwm luam tawm uas tau npaj ua.

Kev xaiv Circuit Court nrog tsuas yog cov xov hlau tsis yooj yim rau siv tas mus li thiab tig mus ua qhov loj dhau. Cov amplifiers no xav tau yog tias nws tsim nyog los ntsuas qhov tshwj xeeb.

Ua kom lub suab me me ntawm koj tus kheej tuaj yeem txuag tau ntau . Txawm li cas los xij, nws yuav muaj txiaj ntsig los coj mus rau hauv tus account nws qhov ua tsis tau pom tseeb. Feem ntau, cov suab nrov zoo li no tsis txawv nrov nrov, thiab qee qhov ntawm tus kheej kuj tuaj yeem ua rau kub heev hauv lawv. Qhov teeb meem zaum kawg yog kho tau yooj yim los ntawm kev siv lub phaj radiator hauv Circuit Court.

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Nws yog ib qho tseem ceeb uas yuav tau them sai sai rau lub rooj tsav xwm luam tawm uas tau npaj tseg rau tso cov khoom siv . Nws tus mob yuav tsum zoo heev. Rau kev txhawb nqa tus qauv, nws raug nquahu kom xaiv cov ntaub yas lossis hlau. Nws yuav tsum muaj kev ntseeg siab heev. Nws yuav tsum tau sau tseg tias rooj plaub tsis tas yuav ua los ntawm koj tus kheej, nws tseem yuav zoo dua tso nws rau tus kws tshaj lij.

Thaum sib dhos, txhua lub ntsiab lus yuav tsum tau muab tso rau hauv lawv qhov chaw raws li cov phiaj xwm tau npaj ua ntej.

Thaum soldering cov xov hlau thiab cov khoom siv ntxiv nws yog ib qho tseem ceeb uas ob lub ntsiab lus tsis tau muab sib dhos ua ke . Lub tshuab hluav taws xob yuav tsum tau teeb tsa kom nws tsis txhob cuam tshuam nrog tus kheej lub cev lossis lub cev. Thaum nrawm, lub hauv paus no tsuas tuaj yeem kov lub microcircuit.

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Nws yog qhov xav tau tias cov naj npawb ntawm cov khoom siv hauv lub tshuab ua kom nrov tau khaws cia kom tsawg . Qhov no yog vim li cas nws thiaj zoo tshaj los siv cov microcircuits ntau dua li cov transistors. Qhov tsis txaus yuav tsum yog xws li lub tshuab ua kom nrov tuaj yeem ua haujlwm txawm tias muaj lub siab mloog lub mloog pob ntseg qauv. Hauv qhov no, kev cuam tshuam thiab suab nrov yuav tsum qis li sai tau.

Nws yog qhov zoo tshaj plaws los xaiv qhov yooj yim suab txhawb lub zog hluav taws xob. Txawm li cas los xij, koj yuav tsum tsis txhob siv cov ntsiab lus uas nyuaj nrhiav.

Amplifiers, sib sau ua ke ntawm cov raj, muaj lub ntsej muag zoo nkauj heev. Nws tsim nyog sau cia tias lawv tsim nyog rau ob daim kab xev qub qub thiab cov cuab yeej siv niaj hnub no . Qhov tsis zoo tseem ceeb ntawm cov phiaj xwm no yog nyuaj hauv kev xaiv cov khoom.

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Transistor amplifiers yog qhov yooj yim thiab tsis yog cov khoom siv ntau .… Piv txwv li, germanium transistors tuaj yeem siv rau txhua lub tshuab ntaus suab. Txawm li cas los xij, cov amplifiers no muaj ntau yam. Ua li ntawd, nws yog ib qho tseem ceeb los soj ntsuam qhov teeb tsa kom raug kom lub suab zoo. Qhov tom kawg tuaj yeem tiv thaiv tau los ntawm kev siv cov ntaub thaiv npog los yog cov cuab yeej uas tiv thaiv suab nrov thiab cuam tshuam thaum sib dhos.

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Cov cuab yeej thiab khoom siv

Ua ntej sib dhos koj lub mloog pob ntseg lub suab nrov nrov, koj yuav tsum npaj tag nrho cov cuab yeej tsim nyog thiab cov khoom siv:

  • nti;
  • thav duab;
  • chav fais fab (tso zis hluav taws xob 12 V);
  • ntsaws;
  • xov hlau;
  • hloov nyob rau hauv daim ntawv ntawm lub pob lossis hloov pauv;
  • radiator rau cua txias;
  • capacitors;
  • sab txiav;
  • ntsia hlau;
  • thermal muab tshuaj txhuam;
  • soldering hlau;
  • paj yeeb;
  • laug;
  • hnyav;
  • ntsia hlau taub hau.
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Yuav ua li cas los ua tus amplifier?

Rau lub mloog pob ntseg, ua lub suab nrov nrov nrog koj tus kheej txhais tes tsis nyuaj rau txhua qhov, tshwj xeeb tshaj yog tias koj muaj kev npaj ua tiav. Nws tsim nyog hais txog qhov ntawd Muaj ntau txoj hauv kev xaiv rau lub tshuab hluav taws xob, ntawm cov uas muaj cov kev xaiv yooj yim thiab cov uas zoo.

Yooj yim

Txhawm rau tsim lub tshuab hluav taws xob yooj yim, koj xav tau PCB nrog plated qhov. Kev sib dhos ntawm lub tshuab raj yuav tsum tau pib los ntawm kev teeb tsa cov resistors ntawm lub rooj tsavxwm. Tom ntej no, koj yuav tsum ntxig cov capacitors. Hauv qhov no, thawj zaug yog cov khoom siv ceramic, thiab tsuas yog tom qab ntawd cov kab hluav taws xob hluav taws xob. Nyob rau theem no nws yog ib qho tseem ceeb kom ua tib zoo soj ntsuam qhov ntsuas, nrog rau qhov tsis sib xws.

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Qhov ntsuas qhov qhia tau tuaj yeem teeb tsa siv LED liab . Thaum qee yam ntawm cov khoom sib dhos tau sib sau ua ke ntawm lub rooj tsavxwm, nws yog qhov yuav tsum tau khoov lawv cov coj los ntawm sab nraub qaum. Qhov no yuav tiv thaiv lawv kom tsis txhob poob thaum lub sijhawm txheej txheem txheej txheem.

Tom qab ntawd, koj tuaj yeem txhim kho lub rooj tsavxwm hauv cov khoom tshwj xeeb uas ua kom yooj yim rau kev sib dhos. Flux yuav tsum tau siv rau cov neeg sib cuag, thiab tom qab ntawd cov hlau lead yuav tsum tau muab muag. Cov hmoov lead ntau dhau yuav tsum tau muab tshem tawm nrog rau sab txiav. Hauv qhov no, nws yog ib qho tseem ceeb kom tsis txhob ua kom puas ntawm txoj kab ntawm lub rooj tsavxwm.

Tam sim no koj tuaj yeem teeb tsa qhov sib txawv ntawm qhov tiv thaiv, lub qhov rau microcircuits, cov tswv yim-tso tawm jacks, nrog rau kev sib txuas fais fab. Tag nrho cov khoom siv tshiab yuav tsum tau ntws thiab brazed. Ib qho dej ntws tawm ntawm lub rooj tsavxwm yuav tsum tau muab tshem tawm siv tus txhuam thiab cov kuab tshuaj.

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Yog tias kev tsim lub tshuab hluav taws xob tau ua tiav ntawm lub microcircuit, tom qab ntawd nws yuav tsum tau muab tso rau hauv lub qhov (socket) tshwj xeeb uas tau tsim rau qhov no. Thaum txhua lub ntsiab lus nyob ntawm lub rooj tsavxwm, koj tuaj yeem sib dhos rooj plaub. Txhawm rau ua qhov no, ntswj cov xov racks hauv qab siv tus ntsia hlau. Tom ntej no, lub rooj tsavxwm nrog lub qhov rau lub jacks xav tau rau kev sib txuas tau teeb tsa ntawm lawv. Nyob rau theem kawg, peb muab daim npog sab saum toj.

Txhawm rau kom lub tshuab ua suab nrov hauv tsev ua haujlwm kom raug, koj yuav tsum txuas lub hwj huam los ntawm lub ntsaws rau lub qhov (socket).

Koj tuaj yeem hloov kho qhov ntim ntawm cov khoom siv no los ua kom nrov nrov los ntawm kev hloov qhov sib txawv ntawm qhov ntsuas qhov ntsuas

Qhov yooj yim tshaj plaws Circuit Court rau lub cuab yeej txhawb lub suab cuam tshuam nrog IC nti thiab ib khub ntawm cov khoom siv hluav taws xob. Nws yuav tsum tau hais meej tias ib lub capacitor hauv nws yog lub tshuab txiav tawm, thiab qhov thib ob yog lub zog lim dej. Xws li lub cuab yeej tsis xav tau teeb tsa - nws tuaj yeem ua haujlwm tam sim tom qab qhib. Lub tswv yim no muab rau qhov muaj peev xwm muab hluav taws xob los ntawm lub tsheb roj teeb.

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Ntawm transistors, koj tseem tuaj yeem sib sau ua lub suab zoo tshaj plaws . Hauv qhov no, koj tuaj yeem siv daim teb lossis bipolar transistors. Tus qub tso cai rau koj los tsim lub cuab yeej uas nws tus yam ntxwv yuav nyob ze rau lub raj siv hluav taws xob.

Zoo siab

Sib dhos Chav Kawm A lub suab nrov nrov yog qhov nyuaj dua. Txawm li cas los xij, qhov no tso cai rau koj los tsim qhov kev xaiv zoo dua qub uas tsim nyog txawm tias yog cov cuab yeej siv hluav taws xob siab. Lub tshuab hluav taws xob no tuaj yeem tsim los ntawm OPA2134R microcircuit. Koj kuj yuav tsum siv qhov sib txawv resistors, tsis-ncov qaumteb qabteb thiab electrolytic capacitors. Ib qho ntxiv, koj yuav xav tau cov khoom sib txuas los ntawm lub mloog pob ntseg thiab cov khoom siv fais fab yuav txuas nrog.

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Kev tsim qauv ntawm lub cuab yeej tuaj yeem tso rau hauv rooj plaub npaj tau los ntawm hauv qab lwm lub cuab yeej. Txawm li cas los xij, koj yuav tsum ua koj tus kheej lub vaj huam sib luag . Lub tshuab hluav taws xob xav tau lub rooj tsavxwm ob tog. Ntawm nws, txoj kab hluav taws xob tau tsim los siv thev naus laus zis hu ua laser-ironing.

Txoj hauv kev no suav nrog qhov tseeb tias kev teeb tsa ntawm yav tom ntej Circuit yog tsim los ntawm lub khoos phis tawj siv qhov program tshwj xeeb.

Tom qab ntawd, ntawm lub tshuab luam ntawv laser, cov duab tau luam tawm ntawm ib daim ntawv uas muaj qhov ci. Tom qab ntawd, nws tau thov rau cov ntawv ci thiab cov hlau kub tau rub hla daim ntawv. Qhov no tso cai rau kev hloov pauv mus rau cov ntawv ci. Tom qab ntawd koj yuav tsum tso cov ntawv luam tawm Circuit board tso rau hauv ib lub taub ntim nrog dej sov thiab tshem daim ntawv.

Cov ntawv ci khaws daim iav daim duab ntawm PCB uas tau tsim hauv computer. Txhawm rau kos lub rooj tsavxwm, siv cov tshuaj ferric chloride daws, tom qab ntawd nws yuav tsum tau muab yaug. Tom ntej no, cov qhov tsim nyog tau siv rau nws thiab sab uas cov khoom yuav raug muab pov rau hauv yog tinned.

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Tom qab ntawd, txhua ntu tuaj yeem teeb tsa ntawm lub rooj tsavxwm. Hauv qhov no, nws yog qhov tsim nyog yuav tsum pib nrog cov khoom siv hluav taws xob. Nws raug nquahu kom teeb tsa transistors ntawm qhov tso tawm ntawm lub tshuab hluav taws xob … Rau qhov no, mica gaskets tau siv, nrog rau kev ua kom sov ua kom sov.

Plaub-channel suab amplifier rau ob khub ntawm lub mloog pob ntseg tuaj yeem ua los ntawm ob lub TDA2822M microcircuits, 10 kΩ resistors, 10 μF, 100 μF, 470 μF, 0.1 μF capacitors. Koj tseem yuav xav tau lub qhov (socket) thiab lub hwj chim txuas.

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Txhawm rau hloov pauv, koj yuav tsum luam tawm lub rooj tsavxwm thiab xa nws mus rau textolite. Tom ntej no, lub rooj tsavxwm tau npaj thiab sib sau ua ke raws li tau hais los saum no. Txawm li cas los xij, thaum sib sau ua ke 4-khub ntaus ntawv, koj yuav tsum tau ceev faj tshwj xeeb nrog kev sib txuas ntawm MicrofonIn thiab MicrofonOut txuas. Cov ntaub ntawv rau cov cuab yeej zoo li no yog tsim los ntawm cov khoom seem.

Lub suab ua tus kheej ua haujlwm los ntawm lub zog siv hluav taws xob nrog qhov hluav taws xob ntawm 12 V lossis ntau dua. Raws li qhov ua tiav MAX4410, siv hluav taws xob 1.5V, koj tuaj yeem tsim lub suab nrov nrov nqa tau. Xws li lub cuab yeej tuaj yeem ua haujlwm ntawm cov roj teeb feem ntau.

Kev ruaj ntseg ntsuas

Thaum ua koj tus kheej lub suab nrov, koj yuav tsum tsis tsuas yog ua tib zoo saib, tab sis kuj ua raws txoj cai kev nyab xeeb. Rau tib neeg, qhov hluav taws xob ntau dua 36 V yog qhov txaus ntshai.

Nws yog ib qho tseem ceeb uas yuav tsum tau ceev faj thiab ceev faj thaum teeb tsa, teeb tsa cov khoom siv fais fab, ua ntej qhib lub cuab yeej uas tau txais.

Yog tias kev paub tsis txaus, ces nws tsim nyog siv mus rau kev pab ntawm tus kws tshaj lij tsim nyog . Nws yuav tsum muaj tam sim no thaum sib sau ua ke thiab pib lub suab nrov. Yuav tsum tau saib xyuas tshwj xeeb thaum ua haujlwm nrog cov khoom siv hluav taws xob. Nws tsis tsim nyog ntsuas lub zog siv yam tsis muaj thauj khoom.

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Thaum sib dhos lub tshuab ua kom nrov nrov, koj yuav tsum siv cov hlau txuas los txuas cov neeg sib txuas thiab cov xov hlau … Cov cuab yeej no txaus ntshai, vim tias qhov kub siab tuaj yeem ua rau tib neeg raug mob. Yog tias koj ua raws li kev tiv thaiv kev nyab xeeb, tom qab ntawd txhua qhov no tuaj yeem zam tau.

Ua ntej tshaj plaws, nws yog ib qho tseem ceeb uas yuav tau saib xyuas qhov qia kom nws tsis txhob kov cov xov hluav taws xob thaum nws kub. Txwv tsis pub, qhov luv Circuit Court yuav tshwm sim.

Tseem ceeb ua ntej pib ua haujlwm, txheeb xyuas qhov ua haujlwm tau zoo ntawm lub cuab yeej, tshwj xeeb yog nws rab rawg … Hauv cov txheej txheem ua haujlwm, cov hlau yuav tsum tau muab tso rau ntawm cov hlau lossis ntoo sawv ntsug.

Thaum siv tshuaj yaj yeeb, koj yuav tsum tso pa tawm hauv chav tas li kom cov tshuaj muaj teeb meem tsis txhob sau rau hauv. Muaj ntau yam tshuaj lom nyob rau hauv cov pa ntawm rosin thiab cov laug. Tsuas yog tuav cov hlau txuas los ntawm cov tuav tuav.

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