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I built an FM radio transmitter (if you need the schematic I will scan it) and every once in the while use to broadcast some music. The problem is it only broadcasts within a very (I mean very!) short distance. How could I increase the distance?
I am pretty sure it is not the power, it is connected to a 3 foot wire, that is how it works.
1. Use a directional antenna to increase the output signal in the desired direction.
2. Adjust the impedance of your antenna. The circuit you describe does not include an output impedance adjustment, so you have to use/make an antenna that matches this circuit. If you have the antenna connected directly to the output, and the length of the antennae is 1/4 the wavelength of the frequency that you are transmitting at, you should get maximum signal transmission.
3. Get an RF amp. (But remember, the FCC limits the broadcast power you can legally transmit without a license.)
Our other product:
Professional FM Radio Station Equipment Package
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it.fmuser.org
fr.fmuser.org
de.fmuser.org
af.fmuser.org ->Afrikaans
sq.fmuser.org ->Albanian
ar.fmuser.org ->Arabic
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 ->Chinese (Simplified)
zh-TW.fmuser.org ->Chinese (Traditional)
hr.fmuser.org ->Croatian
cs.fmuser.org ->Czech
da.fmuser.org ->Danish
nl.fmuser.org ->Dutch
et.fmuser.org ->Estonian
tl.fmuser.org ->Filipino
fi.fmuser.org ->Finnish
fr.fmuser.org ->French
gl.fmuser.org ->Galician
ka.fmuser.org ->Georgian
de.fmuser.org ->German
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 ->Korean
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 ->Portuguese
ro.fmuser.org ->Romanian
ru.fmuser.org ->Russian
sr.fmuser.org ->Serbian
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sl.fmuser.org ->Slovenian
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sv.fmuser.org ->Swedish
th.fmuser.org ->Thai
tr.fmuser.org ->Turkish
uk.fmuser.org ->Ukrainian
ur.fmuser.org ->Urdu
vi.fmuser.org ->Vietnamese
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yi.fmuser.org ->Yiddish
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