Ang FMUSER Wirless ay Naghahatid ng Video At Audio Nang Mas Madali!
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Description:
Circuit na ito ay gumagamit ng dalawang generators signal upang gayahin ang isang malawak Modulated RF carrier wave. Ang output ay maaaring magamit upang gayahin ang tugon ng LC at tangke circuits.
Mga Tala:
Dalawang signal generators ay ginagamit ito sa circuit, isa na kumakatawan sa isang mataas na dalas (200kHz) RF carrier, VG2, ang iba pang mga generator signal ay ginagamit upang mag-iniksyon isang 1KHz signal ng audio. Ang dalawang mga signal ay halo-halong at amplified sa pamamagitan ng mga transistor at isang malawak modulated signal ay lilitaw sa kolektor ng BC548. Ang DC bahagi ay inalis ni C2 at R3 at ang RF output ngayon ay lilitaw sa buong R3 load risistor. Waveforms sa ibaba ay ginawa gamit Tina.
Spice Netlist:
Ang spice netlist ay ipinapakita sa ibaba. Kopyahin ang lahat ng mga linya sa pagitan ng * at AM. END at i-paste ito sa isang bagong text file na tinatawag na vmod.cir o katulad na.
* AM RF moduleitor
. AC Disyembre 16 1 1.0MEG
. Tran 4U 2M
. DC Lin VG2 0 1 10M
. Plot V (3)
Vcc 1 0 30
VG2 2 0 DC 0 AC 1 0 kasalanan (0 10M 200K 0 0-90)
VG1 4 0 DC 0 AC 1 0 kasalanan (0 5 1K 0 0-90)
C3 5 0 100N
C2 6 3 470P
C1 2 7 100N
R5 0 7 15K
R4 7 1 56K
R3 0 3 1K
R2 4 5 4.7K
R1 1 6 10K
QT1 6 7 5 Q_BC548_N
. MODEL Q_BC548_N NPN (IS = 16.9F NF = 1 NR = 1 RE = 567M Remote-controlled = 1
+ RB = 10 VAF = 56.7 var = 28.3 Ise = 154F ISC = 154F
+ NE = 1.5 NC = 1.5 BF = 1.16K BR = 5 IKF = 29.5M
+ IKR = 29.5M CJC = 3.35P CJE = 6.85P VJC = 3.57 VJE = 1.09
+ MJC = 489M MJE = 432M tf = 796P tr = 103N eg = 1.11
+ KF = 0 AF = 1)
. END
Upang makagawa ng isang output sa Spice Opus simulan ang programa at i-load ang bagong vmod.cir Ang modulated signal ay lilitaw sa buong R3 na ngayon ay node 3 at lupa. Pagkatapos i-load ang circuit ang command na "listahan" ay ipapakita ang netlist. Ang utos na "patakbuhin" ay gayahin ang circuit, ang "display" ay mag-print ng isang listahan ng lahat ng mga variable sa circuit. Ang command plot v (3) ay ipapakita ang AM wave sa pagitan ng node 3 at 0 ie ang resistor ng load R3.
Tandaan upang mapabilis ang simulation, ang RF carrier ay limitado sa 200KHz lamang, at ang output waveform ay nagpapakita lamang ng dalawang kumpletong ikot ng audio wave, ie 2ms bilang ng modulating frequency ay 1k. Magkakaroon ng ilang mga tutorial spice sa ilang sandali sa aking mga pahina.
Ang aming iba pang mga produkto:
Propesyonal na FM Radio Station Equipment Package
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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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