Ang FMUSER Wirless ay Naghahatid ng Video At Audio Nang Mas Madali!
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Paano upang makilala ang ang digital FM transmiter at ang analogo FM transmiter?
Sa kasalukuyan, marami broadcast transmiter parang technicians ay nagtataka: marami transmiter tagagawa paghahabol na kanilang sariling produksyon of ang FM transmiter is a digital FM transmiter, ngunit sa katapusan dapat be kung paano kilalanin a FM transmiter is a digital FM transmiter? Ibinigay ang mga sumusunod na payo para mga kasamahan sa kilalanin sanggunian.
Kilalanin an FM radio transmiter is ang digitization ng ang pinaka-epektibong paraan ay ang pagtingin sa ang circuit eskematiko, Ang kasalukuyang FM transmiter FM transmiter circuit eskematiko of ang mga sumusunod na tatlong mga form:
1, analog FM transmiter: Ikaw lamang ang maaari makatanggap ng mga analog audio signal, audio signal paglaki, analogo limiter at stereo encoder; paggamit ang VCO (boltahe kinokontrol osileytor) + PLL (Phase Naka-lock Loop) na makagawa ng ang FM carrier dalas senyas ang paraan talaga modulated analog composite audio signal direct modulasyon of ang VCO varactor. Ito circuit ay isang tipikal na analogo FM transmiter, Ngunit maaaring mayroong LED o LCD digital display sa ang operating dalas of ang transmiter, ngunit ang buong proseso ng kapanggapan.
Ito modelo is Ni-refer sa as "VCO + PLL.
2, a digital FM transmiter: maaaring makatanggap ng digital audio signal (AES / EBU) or analog audio senyas, audio signal processing, isteryo naka-encode by ang DSP (digital na signal processor) upang makumpleto ang pinaghalo isteryo signal sa pamamagitan ng D / A Kombertidor Conversion analog stereo composite signal, ang FM modulasyon senyas ng VCO. Kaya, bago ikaw lumikha isang stereo pinaghalo senyas is digitize, At pagkatapos ay ay hindi naiiba mula sa ang analogo FM transmiter.
Tinutukoy bilang "DSP + PLL.
3 Digital FM transmiter: ang digitize audio sa ang buong proseso of ang RF FM broadcast transmitters. Natatanggap nito digital audio signal (AES / EBU) o analog audio signal (sa A / D), audio signal processing, isteryo naka-encode sa pamamagitan ng DSP (digital na signal processor) upang makumpleto, Habang ang FM modulasyon proseso DSP sa kontrol ang DDS (Direct Digital dalas synthesizer) upang makumpleto ang digital modulasyon paraan. Hiwalay digital FM alon maginoo FM alon ginawa by ang D / A converter para RF amplifier sa natukoy kapangyarihan. Tinutukoy bilang "ng DSP + DDS.
Ang aming iba pang mga produkto:
Propesyonal na FM Radio Station Equipment Package
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Ipasok ang email upang makakuha ng sorpresa
es.fmuser.org
it.fmuser.org
fr.fmuser.org
de.fmuser.org
af.fmuser.org -> Afrikaans
sq.fmuser.org -> Albanian
ar.fmuser.org -> Arabe
hy.fmuser.org -> Armenian
az.fmuser.org -> Azerbaijani
eu.fmuser.org -> Basque
be.fmuser.org -> Belarusian
bg.fmuser.org -> Bulgarian
ca.fmuser.org -> Catalan
zh-CN.fmuser.org -> Intsik (Pinasimple)
zh-TW.fmuser.org -> Intsik (Tradisyunal)
hr.fmuser.org -> Croatian
cs.fmuser.org -> Czech
da.fmuser.org -> Danish
nl.fmuser.org -> Dutch
et.fmuser.org -> Estonian
tl.fmuser.org -> Pilipino
fi.fmuser.org -> Finnish
fr.fmuser.org -> Pranses
gl.fmuser.org -> Galician
ka.fmuser.org -> Georgian
de.fmuser.org -> Aleman
el.fmuser.org -> Greek
ht.fmuser.org -> Haitian Creole
iw.fmuser.org -> Hebrew
hi.fmuser.org -> Hindi
hu.fmuser.org -> Hungarian
is.fmuser.org -> Icelandic
id.fmuser.org -> Indonesian
ga.fmuser.org -> Irish
it.fmuser.org -> Italian
ja.fmuser.org -> Japanese
ko.fmuser.org -> Koreano
lv.fmuser.org -> Latvian
lt.fmuser.org -> Lithuanian
mk.fmuser.org -> Macedonian
ms.fmuser.org -> Malay
mt.fmuser.org -> Maltese
no.fmuser.org -> Norwegian
fa.fmuser.org -> Persian
pl.fmuser.org -> Polish
pt.fmuser.org -> Portuges
ro.fmuser.org -> Romanian
ru.fmuser.org -> Ruso
sr.fmuser.org -> Serbiano
sk.fmuser.org -> Slovak
sl.fmuser.org -> Slovenian
es.fmuser.org -> Espanyol
sw.fmuser.org -> Swahili
sv.fmuser.org -> Suweko
th.fmuser.org -> Thai
tr.fmuser.org -> Turkish
uk.fmuser.org -> Ukrainian
ur.fmuser.org -> Urdu
vi.fmuser.org -> Vietnamese
cy.fmuser.org -> Welsh
yi.fmuser.org -> Yiddish
Ang FMUSER Wirless ay Naghahatid ng Video At Audio Nang Mas Madali!
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