FMUSER Wirless Kusambaza Video Na Sauti Ni Rahisi Zaidi!
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
Ufundi na tabia ya mzunguko:
Orodha ya sehemu
Hakuna sehemu vigezo na kuelezea Mfano FEC (Kumbuka 1) idadi ya
C1, C2, C4 5.5 - 50p Small kauri faini-tuning capacitor 148-1613
C3 100p 50V Kauri capacitor (NP0) 896-457 1
C5, C6, C7 100n 50V Kauri capacitor (X7R) 146-227 3
C8 100u 35V Electrolytic capacitor 667-4191
C9 500p 500V high-frequency capacitance (chuma ilipo Kumbuka 2) 1
Capacitor C10 1n threading 149-1501
C11 16 - 100p mica faini-tuning capacitor
(Arco 424) 1
C12 25 - 150p mica faini-tuning capacitor
(Arco 423 au Sprague GMA30300) 1
C13 300p 500V high-frequency capacitance (chuma ilipo Kumbuka 2) 1
C14, C17 25p 500V high-frequency capacitance (chuma ilipo Kumbuka 2) 2
C15, C16 50p 500V high-frequency capacitance (chuma ilipo Kumbuka 2) 2
C18 100n 200V Kauri capacitor 1
L1 64nH inductor kipenyo 1.2mm enameled waya ndani ya kipenyo mashimo coil ya kuzunguka 6.5mm 4 zamu aliweka 8mm 1
L2 25nH inductor kipenyo 1.2mm enameled waya ndani ya kipenyo mashimo coil ya kuzunguka 6.5mm 2 zamu aliweka kwa urefu 4mm 1
L3 katika mashimo sita na mduara wa waya 0.7mm enameled juu ya bead kuzunguka 2.5 zamu 219-8501
L4 210nH inductor kipenyo 1.2mm enameled waya ndani ya kipenyo mashimo coil ya kuzunguka 6.5mm 8 zamu karibu urefu wa 12mm 1 Mi
L5 21nH inductor kipenyo 0.8mm enameled waya ndani ya mashimo kuzunguka mduara wa 4mm coil 3-kugeuka aliweka 10mm 1
L6 41nH inductor kipenyo 0.8mm enameled waya ndani ya kipenyo mashimo coil ya kuzunguka 4mm 4 zamu aliweka 6mm 1
L7 C10 katika kuongoza nguvu juu ya seti ya shanga mbili 242-5002
L8, L10 100nH inductor kipenyo 1.2mm enameled waya ndani ya kipenyo mashimo coil ya upande 6.5-kuzunguka 5mm aliweka 8mm 2
L9 115nH inductor kipenyo 1.2mm enameled waya ndani ya kipenyo mashimo coil ya upande 6.5-kuzunguka 6mm aliweka 12mm 1
R1 10K 0.5W adjustable resistor (potentiometer) 108-5661
R2 1.8K 0.5W Maungano Film resistors 333-8641
R3 33R 0.5W Maungano Film resistors 333-4401
D1, D2 BZX79C5V6 5.6V 400mW Zener diode 931-7792
TR1 MRF171A (Siemens) RF Power MOSFET 1
SK1 BNC tundu 583-5091
SK2 BNC au N-aina ya soketi 310-0251
16 x 60 x 89mm 3.4 ° C / W kuzama kwa joto na shabiki 170-0881
Kumbuka:
FEC mfano kwa ajili ya kumbukumbu tu.
Chuma ilipo high-frequency capacitance ya inductance fupi na nene na kima cha chini cha kuongoza.
Pembejeo mzunguko wa coil inductor inaweza kuwa ndogo, lakini ili kufanya urahisi, na mzunguko pato kutumia huo kubwa coil.
Amplifier Picha
40W pato nguvu
88-108 MHz frequency mbalimbali
20dB Gain
+ 28 V 3A DC Power Supply
High ufanisi (70%, MOSFET AB darasani amplifiers)
Chini ya vipengele
Pato chini kupita filter (LPF)
Bunge
Kuandaa 100 x 85mm mara mbili upande mmoja printed mzunguko bodi (TAKURU).
Kuchimba FETFET nguvu tube kupita katika mashimo.
Katika mashimo drill 4-6 juu ya PCB kuwa mnalindwa PCB fasta kwenye sanduku alumini kutupwa.
Jinsi ya kubuni kifaa nzuri, fasta joto kuzama na mashabiki.
Katika alumini kutupwa ngao sanduku kuweka nguvu kusambaza pembejeo, na soketi pato zinahitajika mashimo.
Kumbukumbu ya picha na schematic katika PCB kukata ukanda wa kulehemu. PCB juu ya wengi nyuma na chanya wa eneo hilo ni ardhi.
Svetsade vipengele.
Sehemu ya chujio pato chini kupita na shaba (au kuchapishwa bodi ya mzunguko) na sehemu amplifier mzunguko wa ngao kutengwa.
Pato chini kupita filter kazi: kipumulio hutumika kuchuja harmonics ya juu, na kupunguza kuingiliwa unasababishwa na kituo cha karibu redio, ambayo ni muhimu kwa high-nguvu pato RF. Kwa mfano, tuseme harmonic ya tatu ya uwiano amplitude ni-30dB. Wakati amplifier 1W wakati nguvu harmonic ni 1mW, kitu, lakini wakati amplifier ni 40W nguvu harmonic ni 40mW, kuingiliwa ni tatizo. mzunguko harmonic ukandamizaji mkubwa kuliko 50dB. Kama wewe si kuhusisha anacheza na tatizo, huwezi pato chini kupita filter.
Debugging
Upendeleo marekebisho:
Pembejeo na 50 ohm mzunguko mfupi-resistor (Kumbuka: mzunguko Hii si kesi basi pembejeo itakuwa binafsi msisimko oscillation) itakuwa kuhamishiwa katikati ya capacitor kutofautiana yote itakuwa kuhamishiwa R1 kima cha chini voltage. Kushikamana na usambazaji + 28 V nguvu, sasa lazima 14mA wakati huu. Kurekebisha R1 ili usambazaji wa nishati ya sasa ya 115mA. Kama wewe kupata ongezeko la ghafla katika ya sasa ni mengi ya inaonyesha kwamba binafsi msisimko oscillation mzunguko inahitaji zaidi shielding kutengwa.
Pembejeo na pato vinavyolingana marekebisho:
Ilipendekeza vifaa:
Kikwazo nguvu (+ 28 V, 3A)
Pseudo-50W VHF antenna mzigo
500mW-1W FM transmitter
RF 40dB attenuator
RF Power mita
RF wigo analyzer na analyzer mtandao
Kama una wigo RF analyzer na analyzer mtandao inaweza kutumika kurekebisha vyombo hivi. Bila ya vifaa hivi haijalishi; katika pembejeo kupitia FM transmitter kujiunga 500mW-1W RF signal, pato la Termination 50W dummy mzigo na, kupitia attenuation 40dB wa mita RF nguvu Kutumika kwa ajili ya kupima pato nguvu. Kama huna RF nguvu mita, tu upande wa kulia wa mzunguko detector na kipimo ya pointi voltage ufuatiliaji. Na kuweka nguvu kupeleka ya transmita kudhibiti faini-tuning capacitor C1, C2, C4, C11, C12, ili upeo pato amplifier nguvu.
bidhaa zetu nyingine:
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!
Wasiliana nasi
Anwani:
Nambari 305 Chumba cha HuiLan Jengo Na. 273 Huanpu Road Guangzhou Uchina 510620
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