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Brikoleur yon tipik stereo RF pouvwa anplifikatè (TDA2030A)
Se stereo pouvwa anplifikatè entegre TDA2030A nan sikwi sitou ki konpoze de yon anplifikatè stereo, ki itilize yon kous pouvwa anplifikatè tipik, ak ti distòsyon, mwens konpozan ekstèn, estabilite segondè, ranje frekans lajè, wo fidelite, pouvwa, elatriye avantaj, pandan w ap itilize kwadwilatè op amp GL324A D 'pwosesis siyal odyo ak segondè, kontwòl bas, epi konsa plis asire bon jan kalite a pwodiksyon son. Sa a se yon pasyone radyo trè apwopriye ak odyofil endijèn kouche stereo bwa. PA tande aktyèl la, mou ak delika triplet, bas gra dou.
Premyèman, prensip la k ap travay
Pouvwa anplifikatè a stereo yo itilize nan nwayo a nan chip a se yon entènasyonal wo-fidelite pouvwa odyo anplifikatè TDA2030A entegre sikwi. Kous la konsiste de twa pati, savwa, kous la pouvwa a, pouvwa anplifikatè, ak D 'pouvwa pwosesis siyal kite ak chanèl dwa (kwadwilatè op amp). 220V AC pouvwa adaptè ap redwi doub 12V ba-vòltaj altène aktyèl, apre redresman pon an vin ± 18V DC, kòm op-amp anplifikatè ak ekipman pou pouvwa, D5, R29 sikwi endikatè entegral endike ke pouvwa a nòmal, chanje K se pouvwa chanje kay.
Kwadwilatè Operasyonèl Anplifikatè GL324A (oswa LM324) ak konpozan periferik se wo, kontwòl bas kous la sikwi pwosesis aplikasyon an epi siyal opinyon odyo, C16, C18 yo se opinyon kouti kous la de siyal, W1 se yon de-fason kontwòl bas potansyomètr, W2 yo se de Road triplet potansyomètr kontwòl, C25, C26 se kouti CAPACITOR a pwodiksyon. GL324A nan 4 pye ak 11 pye, respektivman, tèminal yo pozitif ak negatif nan ekipman pou pouvwa a, 3,5 pye tè.
De pouvwa anplifikatè entegre sikwi lè l sèvi avèk yon TDA2030A, ki se yon sèl pikèt la D 'pozitif, 2 PIN retournan opinyon, C3, C6, respektivman, pou entrain yo kite la ak dwa nan de kondansateur kouti, R1, R4, C2 konstitye negatif IC1 nan sikwi fidbak, R6, R7, C5 IC2 Constituent yon kous negatif fidbak amelyore bon jan kalite a son. 5 pye li yo, 3 pye respektivman konekte ak ekipman pou pouvwa a pozitif ak negatif, 4 -pin kòm yon pwodiksyon, Lè sa a, 4Ω chaj oratè, pouvwa efikas li yo jiska 20W, W3 se yon potansyomètr balanse de-wout, W4 se yon de-wout volim potansyomètr.
Dezyèmman, soude ak enstalasyon
Anjeneral chaj nan premye ki ba, konpozan chalè ki reziste, epi finalman enstale sikui entegre. Etap sa yo ta dwe soude ak enstalasyon an: (1) kantite a ak bon kalite nan eleman envantè e alè ranplasman nan eleman ki defektye; (2) detèmine eleman yo nan enstalasyon an anplasman, lè l sèvi avèk rezistans materio orizontal, kondansateur Polyester yo kondansateur elektwolitik vètikal enstalasyon, ak oblije fèmen tablo a kous. (3) Cartridge IC1, IC2 pye prekosyon konplètman antre anvan soude, ak peye atansyon a koule nan chalè ak twou yo kowenside. Chak fèblan soude tan chofaj ak kantite lajan an ta dwe apwopriye yo anpeche soude fo ak ti bout tan, koupe depase an apre soude peny ak tcheke tout jwenti, apre yo fin tès konfimasyon anvan elektrisite. Epitou sonje ke yo prensipal nan pouvwa transfòmatè, switch segondè yo ak fil kouran ki deyò ak ankadreman awondisman, san yo pa echwe, IC1, IC2 ak pwòp tèt ou-frapan vis ak radyatè konekte.
Twazyèmman, tès ak tout pèp
1, tès pouvwa
Apre tout eleman yo ak ploge- soude, apre yo fin tcheke ak anpil atansyon anvan tès la ap viv ak yon miltimèt ki mezire DC vòltaj pwofil pozitif ak negatif ekipman pou pouvwa yo ta dwe sou ± 18V, limyè-emisyon dyod D5 limyè, apre yo fin konekte frèt, entrain manyen men IN1, IN2, Capteur a yo ta dwe fò siyal ki kous la se yon bagay nòmal. Si pa gen okenn siyal sans fò, ki endike ke kous la anplifikatè pa ap travay, bezwen plis IC1 egzamen an, IC2, IC3 ak konpozan periferik yo enstale soude byen.
2, machin asanble
lòt pwodwi nou an:
Pwofesyonèl pakè ekipman estasyon radyo FM
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es.fmuser.org
it.fmuser.org
fr.fmuser.org
de.fmuser.org
af.fmuser.org -> Afriken
sq.fmuser.org -> Albanyen
ar.fmuser.org -> Arab
hy.fmuser.org -> Armenian
az.fmuser.org -> Azerbaydjan
eu.fmuser.org -> Basque
be.fmuser.org -> Belarisyen
bg.fmuser.org -> Bulgarian
ca.fmuser.org -> Katalan
zh-CN.fmuser.org -> Chinwa (senplifye)
zh-TW.fmuser.org -> Chinwa (Tradisyonèl)
hr.fmuser.org -> Kwoasyen
cs.fmuser.org -> Czech
da.fmuser.org -> Danwa
nl.fmuser.org -> Olandè
et.fmuser.org -> Estonyen
tl.fmuser.org -> Filipino
fi.fmuser.org -> Finnish
fr.fmuser.org -> Franse
gl.fmuser.org -> Galisyen
ka.fmuser.org -> Georgian
de.fmuser.org -> Alman
el.fmuser.org -> Greek
ht.fmuser.org -> Kreyòl ayisyen
iw.fmuser.org -> ebre
hi.fmuser.org -> Hindi
hu.fmuser.org -> Hungarian
is.fmuser.org -> Icelandic
id.fmuser.org -> Endonezyen
ga.fmuser.org -> Ilandè
it.fmuser.org -> Italyen
ja.fmuser.org -> Japonè
ko.fmuser.org -> Koreyen
lv.fmuser.org -> Latvian
lt.fmuser.org -> Lithuanian
mk.fmuser.org -> Masedwan
ms.fmuser.org -> Malay
mt.fmuser.org -> Maltese
no.fmuser.org -> Norwegian
fa.fmuser.org -> Pèsik
pl.fmuser.org -> Polonè
pt.fmuser.org -> Pòtigè
ro.fmuser.org -> Romanian
ru.fmuser.org -> Ris
sr.fmuser.org -> Sèb
sk.fmuser.org -> Slovak
sl.fmuser.org -> Slovenian
es.fmuser.org -> Panyòl
sw.fmuser.org -> Swahili
sv.fmuser.org -> Syèd
th.fmuser.org -> Thai
tr.fmuser.org -> Tik
uk.fmuser.org -> Ikrenyen
ur.fmuser.org -> Oudou
vi.fmuser.org -> Vietnamese
cy.fmuser.org -> Welsh
yi.fmuser.org -> Yiddish
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