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Aktif Antèn pou AM / FM / SW:
Sa a kapab senp kous ti kras pou itilize pou AM, FM, ak kourt (SW). Sou gwoup la kourt sa a antèn aktif se konparab ak yon 20 nan antèn 30 fil pye. Li se plis plis ki fèt yo dwe itilize sou récepteurs ki itilize antèn fil untuned, tankou inite chè ak radyo machin.
tanpri Klike la a jwenn antèn dipol nou
Pyès de Lis: R1 = 1M C1 = 470pF C2 = 470pF L1 = 20uH a 470uH (gade tèks) Q1 = MPF102, 2N4416, oswa NTE451
Yon twous ki disponib epi yo ka gen ladan nenpòt uh valè pou L1, ant 20uH ak 470uH, fè ou jwenn te kòmanse. Chanjman sa a valè kostim bezwen ou yo.
Pati sèlman, pa gen PCB: [Pati TWOUS]
L1 ka chwazi pou aplikasyon an. Yon bobin 470uH ap travay sou pi ba frekans ak manti nan AM, pou kourt eseye yon bobin 20uH. Se pou twous lan apwovizyone ak yon valè tou sa ki disponib jiska 500uH. Kòd la koulè pou L1 se jeneralman jòn-vyolèt-mawon pou yon kalite 470uH men yo toujou sa a ka varye pa kalite a nan enduktansdèstokaj.
Sa a kapab inite dwe Powered by yon 9 batri asid volt. Si se yon ekipman pou pouvwa itilize, kontoune ekipman pou pouvwa a ak yon condensateur 0.04uF yo anpeche pickup bri. Antèn nan itilize sou sa a sikwi a se yon estanda 18-pous di ki kalite telescopic, men yon moso epè nan kòb kwiv mete, ba otobis-, oswa fil pyano ap travay tou amann.
Kè a nan sa a kous se Q1, yon JFET-N-Chèn, UHF / VHF anplifikatè nan yon ka TO-92. Malgre ke anpil diferan kalite a Fet kapab itilize - tankou MPF102 a, oswa 2N4416 a - met nan tèt ou ki an jeneral-wo frekans repons lan mete nan karakteristik sa yo nan anplifikatè a Fet. Ranplasman an dirèk pou MPF102 a se NTE451 la. Kourè Dezyèm moute se 2N4416 la.
Sòti se te pran nan men Jack J1 ak kouri ale nan antèn opinyon la-a reseptè ou.
Malgre ke sa a kapab kous ti kras fasil pou monte sou yon moso nan Vero tablo-, mwen te apwovizyone tablo a sikwi enprime ak dyagram Layout si ou vle fè yon tablo sikwi enprime.
Sous: magazin "Elektwonik Popilè", nimewo Jiyè 1989. Afiche ak pèmisyon.
Copyright © Piblikasyon Gernsback, Inc 1989. (Piblikasyon Gernsback se Malerezman pa nan biznis depi janvye 2000).
tanpri Klike la a jwenn antèn dipol nou
lòt pwodwi nou an:
Pwofesyonèl pakè ekipman estasyon radyo FM
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Antre nan imèl yo ka resevwa yon sipriz
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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