FMUSER Wirless Kusambaza Video Na Sauti Ni Rahisi Zaidi!
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it.fmuser.org -> Italia
ja.fmuser.org -> Kijapani
ko.fmuser.org -> Kikorea
lv.fmuser.org -> Kilatvia
lt.fmuser.org -> Kilithuania
mk.fmuser.org -> Kimasedonia
ms.fmuser.org -> Kimalesia
mt.fmuser.org -> Kimalta
no.fmuser.org -> Kinorwe
fa.fmuser.org -> Kiajemi
pl.fmuser.org -> Kipolishi
pt.fmuser.org -> Kireno
ro.fmuser.org -> Kiromania
ru.fmuser.org -> Kirusi
sr.fmuser.org -> Mserbia
sk.fmuser.org -> Kislovakia
sl.fmuser.org -> Kislovenia
es.fmuser.org -> Kihispania
sw.fmuser.org -> Kiswahili
sv.fmuser.org -> Kiswidi
th.fmuser.org -> Thai
tr.fmuser.org -> Kituruki
uk.fmuser.org -> Kiukreni
ur.fmuser.org -> Kiurdu
vi.fmuser.org -> Kivietinamu
cy.fmuser.org -> Kiwelsh
yi.fmuser.org -> Yiddish
Maelezo:
amplifier kipaza sauti kwamba inaweza kutumika na ama Condenser Microphone electret kuwekeza (ECM) au kuwekeza nguvu, alifanya na vipengele Diskret.
Vidokezo:
Wote transistors wanapaswa kuwa kelele za aina. Katika mzunguko wa awali, mimi kutumika BC650C ambayo ni Ultra za kelele kifaa. Hizi ni transistors sasa vigumu kupata lakini BC549C au BC109C ni uingizwaji nzuri. mzunguko ni kwa mujibu wa kuleta utulivu na kuweka hatua yake quiescent katika voltage takribani nusu saa emitter ugavi wa Q2. Hii inaruhusu upeo pato voltage swing na pia juu ya nguvu mbalimbali.
condenser electret kipaza sauti (ECM) ina nyeti sana kipaza sauti na ndani ya kipengele FET preamp, usambazaji wa umeme katika 2 mbalimbali kwa 10 Volts DC hiyo ni muhimu. ECM kufaa inaweza kupatikana kutoka Maplin Electronics. Ingawa schematic ni inayotolewa kuonyesha tatu terminal ECM, wawili terminal ya ECM inaweza kutumika, kufuatia ukurasa katika sehemu ya vitendo inaonyesha mabadiliko.
Resistor 1k mipaka ya sasa kwa mic. Resistor hii lazima kuongezeka kwa 2k2 kama voltage ugavi juu 12 Volts DC ni kutumika na si zinahitajika ikiwa Insert Mic ni nguvu. kwanza amplifier hatua kujengwa karibu Q1 ni kukimbia wakati sasa chini sana ushuru. Sababu hii inachangia ishara ya juu sana kwa ujumla na kelele uwiano na chini ya jumla ya pato kelele. resistor emitter ya Q1 frikopplat na 100u kutambua faida upeo kwa ajili ya hatua hii. majibu ya kelele za amplifier kipimo hela mzigo 10k ni hapa chini. Tafadhali kumbuka kwamba njama hii iliwekwa na kuingiza mic kubadilishwa na jenereta signal.
hatua ya pili, kujengwa karibu Q2 ni moja kwa moja COUPLED, hii itapunguza awamu ya kuhama madhara (kuletwa na mbinu capacitive na kufata coupling) na acheives gorofa pato majibu kutoka kwa 20Hz 100kHz juu. majibu ya kipimo frequency hela resistor mzigo 10k ni walipanga chini simulated kutumia nguvu 12V chanzo:
voltage emitter ya Q2 pia ni kulishwa nyuma ya msingi ya Q1 kupitia kiungo resistive. Hii pia kuhakikisha utulivu upendeleo madhara joto againt. Q2 kazi katika taifa linaloongoza mode mfuasi, faida voltage ya hatua hii ni chini ya umoja, hata hivyo, kwa ujumla voltage faida ya preamplifier ni kuhusu 100x au 20dB kama inavyoonekana katika Bode njama hapo juu. Impedans pato ni ndogo sana na inafaa kwa kuendesha gari juu ya nyaya umbali hadi mita 50. Cable kupimwa kwa hiyo si lazima.
Preamplifier hii ina bora nguvu mbalimbali na wanaweza kukabiliana na kitu chochote kutoka mnong'ono kwa kelele, hata hivyo huduma zichukuliwe kuhakikisha kuwa msaidizi vifaa yaani amplifier au staha mkanda haina overload.
bidhaa zetu nyingine:
Kifurushi cha Vifaa vya Kitaalam vya Kituo cha Redio cha FM
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Ingiza barua pepe kupata mshangao
es.fmuser.org
it.fmuser.org
fr.fmuser.org
de.fmuser.org
af.fmuser.org -> Kiafrikana
sq.fmuser.org -> Kialbeni
ar.fmuser.org -> Kiarabu
hy.fmuser.org -> Kiarmenia
az.fmuser.org -> Kiazabajani
eu.fmuser.org -> Kibasque
be.fmuser.org -> Kibelarusi
bg.fmuser.org -> Kibulgaria
ca.fmuser.org -> Kikatalani
zh-CN.fmuser.org -> Kichina (Kilichorahisishwa)
zh-TW.fmuser.org -> Wachina (Jadi)
hr.fmuser.org -> Kikroeshia
cs.fmuser.org -> Kicheki
da.fmuser.org -> Kidenmaki
nl.fmuser.org -> Kiholanzi
et.fmuser.org -> Kiestonia
tl.fmuser.org -> Kifilipino
fi.fmuser.org -> Kifini
fr.fmuser.org -> Kifaransa
gl.fmuser.org -> Kigalisia
ka.fmuser.org -> Kijojiajia
de.fmuser.org -> Kijerumani
el.fmuser.org -> Kiyunani
ht.fmuser.org -> Kikrioli cha Haiti
iw.fmuser.org -> Kiebrania
hi.fmuser.org -> Kihindi
hu.fmuser.org -> Kihungari
is.fmuser.org -> Kiaislandi
id.fmuser.org -> Kiindonesia
ga.fmuser.org -> Kiayalandi
it.fmuser.org -> Italia
ja.fmuser.org -> Kijapani
ko.fmuser.org -> Kikorea
lv.fmuser.org -> Kilatvia
lt.fmuser.org -> Kilithuania
mk.fmuser.org -> Kimasedonia
ms.fmuser.org -> Kimalesia
mt.fmuser.org -> Kimalta
no.fmuser.org -> Kinorwe
fa.fmuser.org -> Kiajemi
pl.fmuser.org -> Kipolishi
pt.fmuser.org -> Kireno
ro.fmuser.org -> Kiromania
ru.fmuser.org -> Kirusi
sr.fmuser.org -> Mserbia
sk.fmuser.org -> Kislovakia
sl.fmuser.org -> Kislovenia
es.fmuser.org -> Kihispania
sw.fmuser.org -> Kiswahili
sv.fmuser.org -> Kiswidi
th.fmuser.org -> Thai
tr.fmuser.org -> Kituruki
uk.fmuser.org -> Kiukreni
ur.fmuser.org -> Kiurdu
vi.fmuser.org -> Kivietinamu
cy.fmuser.org -> Kiwelsh
yi.fmuser.org -> Yiddish
FMUSER Wirless Kusambaza Video Na Sauti Ni Rahisi Zaidi!
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