Kharchenko antɛni dilancogo telewisɔn numérique kama ni i yɛrɛ bolo ye: jatebɔ, biquadrate lajɛlen

Sisan, fɛn dɔ bɛ ka wuli ka bɔ telewisɔn analozi la ka kɛ nizɛrikan ye. Kabini san 2012, sariya kelen min bɛ telewisɔn nimɔrɔma
DVB-T2 jirali la, o tara walasa ka a lajɛ fu. Walasa ka o cogo sugu sɔrɔ, a bɛ to dɔrɔn ka receveur-antenne sɔrɔ, i yɛrɛ bɛ se ka min dilan. Telewisɔn nimɔrɔma sugandicogo minnu sɔngɔ ka nɔgɔn kosɛbɛ, i bɛ se ka minnu lajɛ ni i yɛrɛ bolo ye, olu dɔ ye Kharchenko anteni ye.

Kharchenko anteni ka baarakɛcogo ani a minɛn

Hakilina min bɛ a yɛrɛ ka minɛn in dilanni na, o sinsinnen bɛ ɛntɛrinɛti injiniyɛri Kharchenko ka yiriwali kan. Antɛni tun bɛ baara kɛ desimɛtiri hakɛ la (DCV), min tun bɛ fɔ kosɛbɛ san kɛmɛ tɛmɛnen laban na. Nin ye aperture antenne analoge ye min sinsinnen bɛ zigzag feed kan. Siginiden bɛ dalajɛ ni yeelenbɔlan fla dɛmɛ ye (ɛkran solide walima lattice – karamɔgɔ min dilannen don ni fɛn ye min bɛ se ka fɛnw ta), o min ka bon ni vibrator ye 20% ni kɔ. Yɛrɛ-sɛnɛ kama, a bɛna kɛ wajibi ye ka jateminɛ kɛ jateminɛ kɛcogo la ani fɛn kɛrɛnkɛrɛnnen dɔ sugandili la.
Telewisɔn ka taamasiyɛn bɛ ci ni fiɲɛw ye minnu bɛ ni polarize horizontal ye. Antɛni in cogoya nɔgɔman dɔ bɛ jira cogo la min bɛ kɛ ni jirisunba wulilan fila ye minnu bɛ ɲɔgɔn cɛ ka kɛɲɛ ni ɲɔgɔn ye, nka u tigɛlen don balolan (kabali) bɛ siri yɔrɔ min na. O hakɛw jirala Kharchenko ka barokun kɔnɔ min tɔgɔ ye ko “Antenne de la gamme DTSV”, wa antɛni jatebɔ bɛ kɛ ka kɛɲɛ ni sɛbɛnnikɛla ye formula minnu labɛn.

Fɛn minnu bɛ kɛ ka Kharchenko antɛni dilan ani baarakɛminɛnw

Fɛn minnu ka kan ka kɛ:

• gril ka gril;
• ka mobili penti fiyɛ;
• furaji walima asetɔni;
• drills ka ɲɛsin drills ma;
• telewisɔn kabɛl koaksiyali (a man kan ka tɛmɛ mɛtɛrɛ 10 kan);
• PVC pipe XB santimɛtɛrɛ 50 ni a cɛmancɛ ye milimɛtɛrɛ 20 ye;
• nɛgɛ doww minnu bɛ kɛ ka jalenw kɛ;
• nɛgɛbere min bɛ kɛ ka yɛrɛyɛrɛlan dɔ kɛ min cɛmancɛ bɛ se milimɛtɛrɛ 2 fo 3,5 ma;
• 2 nɛgɛdaga finmanw.

Baarakɛminɛn minnu bɛ kɛ baara kama:

• solder nɛgɛ 100 W;
• visɛri ni fiɲɛbɔlanw;
• marifa min bɛ kola funteni na;
• nɛgɛ tigɛlanw, pliers, marto;
• kretiɛn, sumanikɛlan, molari muru.

Yɛrɛyɛrɛla bɛ se ka dilan ni nɛgɛw ye minnu tɛ nɛgɛ ye (nɛgɛ, aliminiyɔmu) ani nɛgɛw (a ka ca a la nɛgɛ). O fɛn bɛ se ka kɛ nɛgɛ, jiribolo, nkɔni, tubabukan na.

An bɛ jatebɔw kɛ

Walasa ka Kharchenko antɛni dilan, a ka kan ka jatebɔ tigitigi kɛ ni jatebɔlan walima formulaw ye. Ni aw bɛ baara kɛ ni nin fɛɛrɛ in ye, aw bɛ se ka antɛni sigicogo jatebɔ hali ni taamasiyɛn barikama ye – 500 MHz ɲɔgɔn. Fɔlɔ aw ka kan ka DVB-T2 telewisɔn ka laseli pake fila ka frequency dɔn aw ka sigida la. O bɛ se ka sɔrɔ CETV ka karti interactive site web kan. O yɔrɔ la, i ka kan ka telewisɔn sankanso min ka surun i la, o sɔrɔ, ka fara laseliw kan minnu bɛ sɔrɔ (kanal kelen walima fila pakew) ani frequence minnu bɛ kɛ o la. Pakew ka frequences (fɔkanw) nafaw dɔnni kɔfɛ, antɛni-jaabi-minɛn min dilannen don, o kɛrɛw janya bɛ jate. Antɛni ja ni a ja bɛ lajɛ ka da taamasiyɛnw cicogo kan. Hertz (Hz) bɛ kɛ k’a suman ani a bɛ jira ni F sɛbɛn ye.Misali la, i bɛ se ka baara kɛ ni telewisɔn ka pake fɔlɔ ni filanan pake fɔlɔ ni filanan bɔli hakɛ ye Moskow dugu kɔnɔ – 546 ani 498 megahertz (MHz).

Jatebɔlan

Jateminɛ bɛ kɛ ka kɛɲɛ ni formula ye : yeelen teliya / frequency , o kɔrɔ ye ko : C / F \u003d 300/546 \u003d 0,55 m \u003d 550 mm . O cogo kelen na, multiplex filanan na: 300/498 = 0,6 = 600 mm. A janya hakɛw ye 5, 5 ani 6 dm ye. Walasa k’u sɔrɔ, aw mago bɛ UHF anteni la, n’o bɛ wele ko decimɛtiri antɛni. O kɔfɛ, a ka nɔgɔn kosɛbɛ ka jatebɔ kɛ jikuru in bonya kan ka tɛmɛn, min bɛ projɛ ka kɛ jatebɔlan kan. A janya ye 1/2 ye, o ye milimɛtɛrɛ 275 ani 300 ye pake fɔlɔ ni filanan na.

Walasa ka taamasiyɛn nimɔrɔma sɔrɔcogo ɲuman sɔrɔ, biquadrate dakun kelen-kelen bɛɛ ka kan ka kɛ jikuru bonya tilancɛ ye a cɛmancɛ la. Walasa ka fɛn dilanni kɛ, a ka fisa ka baara kɛ ni aliminiyɔmu kɔnɔna ye walima ni nɛgɛbere ye. A ka fisa, a ka fisa ka baara kɛ ni nɛgɛbere ye (milimɛtɛrɛ 3-5) – a ka jateminɛ sabatilen don ani a bɛ kuru ka ɲɛ.

Kharchenko antɛni jatebɔ telewisɔn numɛriki kama: jatebɔlan ani a dabɔcogo: https://youtu.be/yeE2SRCR3yc

Antenne ka lajɛ

Kharchenko antɛni dilanni telewisɔn nimɔrɔma laseli kama, o bɛ kɛ ni nin wale ninnu ye minnu bɛ kɛ senfɛ-senfɛ:

1. Polarizasiyɔn ni frequency (fɔkan) bɛ Labɛn. A dilanni ka kan ka kɛ tilennen ye.
2. Kupu bɛ kɛ fɛn ye min bɛ kɛ ka biquadreceiver anteni dilan. Fɛn bɛɛ bɛ sɔrɔ nkɔni na, u ka kan ka maga u dɔ la kelen na. Walasa ka polarize horizontal (polarize horizontal) sɔrɔ, a jɔcogo ka kan ka bila jɔlen na. Ni polarize jɔlen ye, minɛn in bɛ bila a kɛrɛ fɛ.
3. Aw bɛ nɛgɛbere suman ka taa ni a janya wajibiyalen ye (+1 cm). Tubu min bɛ kɛ ni kuran walima aliminiyɔmu ye (a cɛmancɛ ye milimɛtɛrɛ 12 ye) o bɛnnen don. Insulasi min bɛ bɔ kuran kɔnɔ, o bɛ saniya. A bɛ kɛ ni marifa ye yɔrɔ gɛlɛn dɔ kan. Cɛmancɛ bɛ suman ka kɔrɔta fo degere 90. Ni vise bɛ yen, o tuma na, nɛgɛ bɛ siri ka a labɛn u kɔnɔ. Kɛrɛnkɛrɛnnenya la, a bɛ Kɛ ka Kɛɲɛ ni jatebla jatebɔlenw ye.
4. A dakun kelen na, yɔrɔ fitinin dɔ bɛ tigɛ ka kɛ degere 45 ye walasa ka kɛ kuncɛ ye min ɲɛ ye nɛrɛmuguma ye. A laban filanan bɛ kɔrɔta, o kɛcogo kelen de bɛ kɛ a kan. O kɛnɛ fila bɛɛ bɛ se ka kɔrɔta dɔɔni waati kelen na. Cɛmancɛ kɔnɔna kurulenw kan, tigɛ misɛnninw bɛ kɛ ni masin ye ni pikirijikɛlan filen ye. O kɔfɛ, a bɛna se ka nin dakun hɔrɔnma fila ninnu sama ɲɔgɔn na k’u labɛn ni nɛgɛ finman ye.
5. Aw bɛna mago don solder nɛgɛ la, ka fara rosin jilama walima flux kan walasa ka cɛmancɛ kurulenw tintin. O bɛ kɛ nɛgɛbere fan kelen-kelen bɛɛ la.
6. Kabali coaxial bɛ bɔ ni santimɛtɛrɛ 4-5 ye, braid walima kɛnɛma conducteur bɛ tigɛli kɛ ka kɛ nɛgɛ kelen ye ka a siri kuru kelen na. Aw bɛ a soda ka a kɛ nɛgɛbere ye. Kɔnɔna-minɛn in insulasi bɛ bɔ ka a siri o cogo kelen na ka kuru nata lamini. Solder ka kan ka kɛ ka ɲɛ, ka insulasi dɛmɛ ni pince ye, barisa funteni bɛ se ka kɛ sababu ye ka a bɔ sira kan. Fɔlɔ, karamɔgɔ bɛ sumaya a siriyɔrɔ la, o kɔfɛ, a bɛ sumaya dɔrɔn.
7. Kablon ka filiw bɛ siri ni nilon sirilan ye, ka tulumafɛnw bɔ a la ni furaji ye. Dadon yɔrɔw bɛ faranfasi ni kola funteni ye ni marifa ye. Kunsigi jalen bɛ se ka kɛ ka nɛgɛdaga kɛcogo nafamaw latilen.
   

   Ni a ye a ɲɛ na, jirisun kɔnɔna cɛmancɛ-yɔrɔw, minnu bɛ i n’a fɔ ja 8, olu ka kan ka gɛrɛ ɲɔgɔn na (milimɛtɛrɛ 10-12), nka u man kan ka maga ɲɔgɔn na. Ni fili dɔ kɛra kontoron kɔrɔtatuma na, hali ni milimɛtɛrɛ 1 ye, ja bɛ se ka tiɲɛ.

8. Kabali bɛ na ni gɛrɛyɔrɔw ye ka bɔ fan fila fɛ. Ja in sira kelen ka kan ka bali, o kama, nɛgɛ min bɛ yeelen bɔ, o bɛ sigi. A bɛ siri kabali dawolo la.
9. Ka ɲɛsin yeelenbɔlan dilanni ma, textolite pankurunw tun bɛ kɛ ka tɛmɛ minnu datugulen don ni nɛgɛ ye. Sisan, nɛgɛdaga bɛ kɛ o la. Ani fana, reflecteur bɛ se ka dilan ni gril grate ye. Aw bɛ se ka baara kɛ ni funteni-falen-falen-minɛn ye min bɛ bɔ friji kɔnɔ walima minɛnw jalen-minɛn na. A kunba ye ko jɔli tɛ nɔgɔ bɔ kɛnɛ kan. Reflecteur ka kan ka bonya ka tɛmɛ vibrateur frame kan.
10. Kalansen bɛ sɔrɔ yeelenbɔlan cɛmancɛ la. A sirili kama, aw bɛ se ka baara kɛ ni nɛgɛdaga fila ye.
11. Siginiden min bɛ frequency (fɔkan) la, o bɛ jɛnsɛn kondukiri (conducteur) sanfɛ, o la a ka fisa ka antɛni datugu ni penti ye. Sigilan yɔrɔw bɛ fa ni kola walima sigilan funteni ye.

Jaabibaga ka kan ka kɛ yɔrɔ jan na ka bɔ yeelenbɔlan na, o jatebɔ bɛ kɛ ni nin formula ye: wavelength / 7. Antɛni bɛ bila segin-ka-bɔnye sira fɛ.

Jateminɛ ɲumanw kɛcogo ani Kharchenko antɛni dilancogo jiralen bɛ nin wideo in kɔnɔ: https://youtu.be/Wf6DG2JbVcA

Jɛɲɔgɔnya

Kabali kun kelen min ka rezisti ye 50-75 ohms ye, o bɛ solder ka kɛ antɛni dafalen ye, tɔ kelen bɛ siri fiɲɛbɔlan na. A ka fisa ka kabali siri basi sanfɛla la, ka duguma kɛ fɛnw sirilanw ye. Telewisɔn nizɛri laseli ja ni a mankan cogoya tɛna bɔ a lasecogo la fo yɔrɔ min na, a tɛ i n’a fɔ analog ka laseli. Ni antɛni dilannen don ka ɲɛ, taamasiɲɛ cili bɛna kɛ a sɔrɔbaga ma cogo la min bɛ bɛn a ma, wa gɛlɛya si man kan ka sɔrɔ. Nka ni dɛsɛ dɔ kɛra, taamasiɲɛ bɛ tunu pewu (mankan ni ja bɛ tunun). A tɛ i n’a fɔ telewisɔn analozi, ja numɛrikilenw cogoya ye kelen ye kanw bɛɛ la wa danfara si tɛ se ka kɛ.

Kɔrɔbɔli kɛcogo la

Antɛni min lajɛlen don, o ka kan ka lajɛ. Walasa ka telewisɔn numérique kɔrɔbɔ, set-top box kan menu principal kɔnɔ walima telewisɔn kan, i ka kan ka auto-tuning of channels (kanw) kɛ. Nin wale in bɛna miniti damadɔ dɔrɔn de ta. Walasa ka kanw ɲini manuel mode la, i bɛna a ɲini k’u ka frequency sɛbɛn. Walasa i kana waati tiɲɛ ɲinini dafalen kɛli la, ani fana n’i ye kanw labɛn kaban, i bɛ se ka o baara nɔgɔya. Walasa k’o kɛ, kan fila bɛ sugandi, u kelen-kelen bɛɛ bɛ kan o kanal ka frequency sigi ka bɔ pakew la minnu tɛ kelen ye (o multiplex kelen-kelen bɛɛ bɛ baara kɛ ni frequency range kelen ye walasa ka telewisɔn kan bɛɛ lase). Walasa ka minɛn dilannen kɔrɔbɔ, a bɛ bɔ ka telewisɔn ka laseli kɛcogo ɲuman sɛgɛsɛgɛ. Ja ɲuman bɛna a jira ko baara kɛcogo bɛnnen don. O de kosɔn, ja ɲumanba bɛna kɛ walima ka sɔrɔ, .

Ni fɛn dɔ kɛra, aw bɛ se k’a ɲini ka antɛni wuli, ka ja cogoya caman yeli kɔlɔsi. Ni aw bɛ telewisɔn antɛni sigiyɔrɔ ɲuman dɔn, a ka kan ka jɔ kosɛbɛ, nka a ka kan ka jɔ telewisɔn sankanso fan fɛ tuma bɛɛ.

Kharchenko antɛni ye minɛn ye min bɛ se ka baara kɛ ni fɛn caman ye ani min bɛ se ka kɛ sababu ye ka taamasiyɛn barikamaw sɔrɔ. O minɛn bɛ se ka lajɛ ni bolo ye ani ka baara kɛ ni a ye izini antɛni nɔ na ni amplifier ye. Antɛni dilanni bɛ mɔgɔ bɛɛ ka fanga kɔnɔ. A bɛ bɔ ka fɛn sɔrɔ, ka jatebɔ ɲumanw kɛ ani ka tugu kunnafoniw kɔ tigitigi minnu sɔrɔla minɛn dilanni na.