Antenna amplifier ma TV: nnyinasosɛm a ɛfa adwumayɛ ho, paw, DIY

Wɔde sɛnkyerɛnne a ɛma nneɛma yɛ kɛse a efi TV antena no mu ba no di ɔhaw a ɛfa TV sɛnkyerɛnne a ɛnyɛ den sɛnea ɛsɛ ho, a esiane eyi nti mfonini a ɛwɔ TV no so no so tew no ho dwuma. Wubetumi apaw mfiri a ɛfata afi yɛn rating a yɛkyerɛ sɛ ɛyɛ mfiri a eye sen biara no mu anaasɛ, sɛ wowɔ osuahu bi a, w’ankasa wobɛyɛ mfiri a ɛte saa.

Dɛn ne TV Antenna Amplifier?

Television a ɛma nneɛma yɛ kɛse yɛ afiri a wɔde ma television sɛnkyerɛnne bi yɛ kɛse na ɛtew nneɛma a ɛtwetwe adwene so, na ɛma wonya mfonini a eye. Afiri no boa ma nkate no yɛ kɛse, dede a ɛde ba no anohyeto ma, na ɛma television sɛnkyerɛnne a wɔagye wɔ coaxial cable no mu a ɛyera no tua ho ka. https://youtu.be/GI89hrNQ-BA na wobɛtumi ayɛ saa

Design features a ɛwɔ amplifier no mu ma antenna no

Amplifiers a wɔde yɛ television antennas yɛ mmerɛw na ebetumi ayɛ soronko wɔ sɛnea wɔayɛ mu, ebetumi ama dijitaal ne analog nsɛnkyerɛnne nyinaa ayɛ kɛse. Wɔ tebea horow bi mu no, wɔde board abien a wɔde dede so tew circuit a wɔde adi dwuma na ɛyɛ. Circuit biako yɛ high-frequency filter, nea ɛto so abien no wɔ frequency-regulating capacitor. Regulator no boa ma wonya TV signal gain a ɛsen biara a ɛyɛ 4.7 dB a adwumayɛ frequency yɛ 400 MHz. Sɛnea ɛbɛyɛ na wɔatumi agyina pintinn no, wɔde ade a ɛma nneɛma gyina pintinn a electrolyte ne diode bridge ka ne circuit ho na edi dwuma. Wɔde capacitor na ɛde amplifier no bata TV receiver no ho. Amplifiers a wɔde yɛ antenna no nyinaa wɔ power supply, beae a ɛwɔ nkutoo na ɛsono (wɔahyɛ mu ne akyi). Afiri a wɔde ahyɛ mu no yɛ adwuma yiye bere a anyinam ahoɔden a ɛyɛ den no di dwuma na ebegye 10 V. Sɛ fixture no hyew a, ɛho behia sɛ wosesa antenna afiri no nyinaa. Esiane eyi nti, sɛ ahoɔden a ɛkɔ soro wɔ hɔ a, ɛbɛyɛ mmerɛw sɛ wɔde abɔnten so nneɛma bedi dwuma. Wɔn kɛse na ɛsono input voltage a egyina amplifier (5, 12, 18, 24 V) so.

Nkyekyɛmu a wɔkyekyɛ mu

Wɔ TV dwumadibea ahorow a ɛwɔ asase so asorɔkye ho no, wɔde mita (MV) ne decimeter (UHF) frequency ahorow di dwuma. Wɔ asɛm a edi kan no mu no, wɔde frequency a ɛyɛ 30-300 MHz na edi dwuma, na wɔ nea ɛto so abien no mu no – 300-3000 MHz. Ɛgyina frequency a wɔagye no kwan so no, amplifier no betumi ayɛ:

• broadband – a wode kata asorɔkye a ɛtrɛw so;
• range – de mita anaa decimeter range di dwuma ma dwumadie;
• multibanddesigned ma ranges abien no nyinaa.

Wɔ tebea a ɛtaa ba mu no, sɛ wonya sɛnkyerɛnne pa a, broadband amplifier dɔɔso. Esiane sɛ wɔannye no yiye nti, ɛfata sɛ wɔde afiri a wɔde wɔn ani asi so ketewaa bi di dwuma, a ɛyɛ ne dwumadi wɔ baabi pɔtee bi yiye sen broadband de.

Wɔde DVB-T2 gyinapɛn no na ɛyɛ dijitaal broadcasting . Wɔ dijitaal TV dwumadibea ahorow ho no, UHF kwan no nkutoo na wɔde di dwuma, enti amplifier ma dijitaal TV a ɛwɔ DVB-T2 gyinapɛn no fata ma dijitaal TV so dwumadi. Antenna amplifier sɔhwɛ ma DVB-T2 dijitaal television: https://youtu.be/oLRaiYPj6sQ Amplifiers nso ɛsono sɛnea ahoɔden a wɔhwehwɛ te:

1. Volt dumien na ɛtaa ba. Wɔbɛhwehwɛ sɛ wɔde anyinam ahoɔden foforo ka ho, a wɔ tebea horow bi mu no wobetumi ayɛ ho nhyehyɛe.
2. Wobetumi de coaxial cable abɔ volt anum akɔ TV tuner anaa TV so. Sɛnea mmara kyerɛ no, wɔde si antena no so.

Ɛdenam television ko a ɛwɔ so no, wɔkyekyɛ mfiri a ɛma nneɛma yɛ kɛse no mu nnidiso nnidiso sɛnea edidi so yi:

• antenna a wɔde yɛ adwuma;
• satellite;
• cable.

Wɔntaa mfa cable ne satellite amplifiers nni dwuma, efisɛ ɛde sɛnkyerɛnne a ɛkorɔn yiye kɔ dedaw. Ɛtɔ mmere bi a, wɔde amplifier di dwuma ma cable television sɛ wɔde cable no bata TV ahorow pii ho prɛko pɛ a. Wɔtaa de mfiri a ɛma antenna yɛ kɛse di dwuma.

Mfaso ne ɔhaw ahorow a ɛwɔ TV signal amplifiers so

Sɛ woreyɛ ofie television network a, ɛsɛ sɛ wokae: sɛ wode amplifying circuits pii di dwuma a, ɛnde video no bɛkyinkyim kɛse. Wɔ eyi mu no, ɛsɛ sɛ wɔma antenna amplifiers dodow yɛ nea ɛba fam koraa.

Amplifier no mu nneɛma bi ne:

• tumi a wotumi gye TV so nsɛnkyerɛnne a ɛyɛ mmerɛw mpo;
• dede nsusuwii nketenkete a ɛwɔ hɔ;
• sɛnea ebetumi aba sɛ wɔbɛma sɛnkyerɛnne no ayɛ kɛse bere koro mu wɔ frequency ahorow pii mu.

Mfomso ahorow a ɛwɔ mfiri a ɛma nneɛma yɛ kɛse so ne:

• sɛ wɔde broadband amplifier di dwuma a, ebetumi aba sɛ wɔde TV sɛnkyerɛnne dodow a wɔma ho kwan no bɛhyɛ mu dodo, enti ɛsɛ sɛ wɔde regulator hyehyɛ mu ma range ahorow na ama wɔayi ɔhaw a ɛte saa afi hɔ;
• afiri no ankasa a ɛkanyan no;
• sɛnea ɛyɛ mmerɛw sɛ aprannaa bɛbɔ;
• nea ebetumi aba sɛ TV sɛnkyerɛnne bɛyera wɔ output no so.

Amplifiers siesie sɛnkyerɛnne a efi antenna no so kɔ TV no so no. Wɔ eyi mu no, beae a wɔpaw ne hia a ehia sɛ wɔde television so mfiri di dwuma no nya nea wɔpaw no so nkɛntɛnso. Amplifier a ɛkɔ TV antenna a ɛwɔ kurow no akyi no boa ma wodi asɛm a ɛyɛ den a ɛne sɛ wobenya television so sɛnkyerɛnne a ɛkorɔn no ho dwuma yiye.

Ade titiriw a wɔde paw television so nsɛnkyerɛnne a ɛma nneɛma yɛ kɛse

Wɔpaw amplifier a wɔde bɛyɛ television antenna no sɛnea mfiri no mfiridwuma ho gyinapɛn te na ɛne abɔnten nneɛma hyia (sɛ nhwɛso no, beae ne tebea a wɔde bɛhyɛ mu). Ade a ɛho hia sen biara ne sɛ wobesusuw su ahorow a ɛka television so sɛnkyerɛnne no su ho, na ɛno nti wɔde wɔn ho to mfiri afoforo a wɔde di dwuma so.

Adwumayɛ frequency range

Mfiri abiɛsa na ɛbata frequency range ho: TV, antenna , ne amplifier. Nea edi kan koraa no, wɔpaw antenna. Wɔ saa paw yi mu no, ɛho hia sɛ wosusuw sɛnea nea wɔde kyerɛ kwan teateaa so no korɔn sen nea ɛkɔ akyirikyiri wɔ sɛnkyerɛnne ahoɔden mu no ho. Sɛ repeater no bɛn beae a wogye ahɔho no a, ɛnde “all-wave” fata, a ebetumi akata baabi a ɛtrɛw. Sɛ wogye nsɛnkyerɛnne bi fi TV abantenten a ɛwɔ akyirikyiri so a, wobetumi de afiri bi a wɔayɛ no sɛnea ɛfata (sɛ nhwɛso no, VHF anaa UHF) adi dwuma.

Sɛnea antenna no frequency mmuae te no, wɔpaw amplifier no. Sɛ range no nhyia a, device a ɛwɔ hɔ dedaw no rentumi nyɛ adwuma.

Dede akontaabu

Ɛdenam amplifier mmoa so no, ɛsɛ sɛ wɔyɛ nsakrae wɔ signal-to-noise ratio no mu kɔ soro. Esiane sɛ mfiri biara nya n’ankasa dede bere a wɔde data rekɔma no nti, bere a sɛnkyerɛnne no kɔ soro no, wɔn nso bɛyɛ nea ɛho hia kɛse. Wogye tom sɛ ɛnsɛ sɛ dede no bo a ɛsom boro 3 dB. Wɔ tebea horow a ɛtete saa mu nkutoo na yebetumi aka awerɛhyem ahorow a ɛbɛma TV so nsɛnkyerɛnne a wɔde mena no yiye ho asɛm. Nanso, mfiri foforo betumi anya bo a ɛba fam a ɛyɛ 2 dB.

Nya

Coefficient a ɛkorɔn sen biara a ɛwɔ hɔ no nkyerɛ sɛ nkrasɛm no yɛ papa. Afei nso, sɛ wɔma TV so sɛnkyerɛnne no yɛ kɛse dodo a, wɔbɛkyinkyim TV no de nea ɛne no bɔ abira (a wɔbɛtwitwa anaasɛ wɔde ahyɛ mu dodo). dB na wɔde susuw parameter no, na ne average values ​​ne:

• decimeter – efi 30 kosi 40 dB;
• mita – 10 dB.

Efi eyi mu na ɛkyerɛ sɛ decimeter benya coverage fi 20 kosi 60 TV channels, ne mita – ɛnboro 12. Sɛ mfaso a ɛkɔ soro 15-20 dB a, yebetumi aka nea ebefi mu aba pa ho asɛm.

Sɛ worepaw amplifier denam ade bi so a, ɛsɛ sɛ wugyina tebea horow ankasa ne sɛnea wogye no so. Sɛnea mmara kyerɛ no, wosusuw kwan a ɛda TV abantenten (relay) no ntam no ho. Sɛ TV abantenten no wɔ baabi a wotumi hu tẽẽ a, ɛnde ɛho nhia sɛ wobɛtɔ afiri a ɛma nneɛma yɛ kɛse.

Antena a ɛyɛ adwuma anaasɛ ɛnyɛ adwuma

Antenna ahorow a wɔde gye TV sɛnkyerɛnne betumi ayɛ nea ɛnyɛ adwuma na ɛyɛ adwuma:

• antenna a ɛnyɛ adwuma nya sɛnkyerɛnne bi esiane n’ankasa nsusuwii nkutoo nti;
• wɔde amplifier soronko bi ama active antenna , a ɛma ahoɔden a ɛwɔ sɛnkyerɛnne a mfaso wɔ so no mu yɛ kɛse.

Ɛsɛ sɛ wɔde ahoɔden foforo a efi network no mu ma antenna a ɛyɛ adwuma. Sɛnea mmara kyerɛ no, wɔde 9 anaa 12 V adapter adapter na ɛka amplifying device no ho.Sɛ device no wɔ abɔnten a, ɛnde ɛsɛ sɛ wokata so fi osutɔ ho. Hwɛ hu sɛ wubesusuw nsɛm a ɛwɔ nea ɔyɛe no akwankyerɛ a ɛde kɔkɔbɔ a ɛfa sɛ ebia wɔde afiri no anhyɛ mu yiye a ebetumi atwitware no ho. Wobetumi adan passive antenna nso ayɛ no active denam amplifier a wɔde bɛka ho no so. Saa kwan yi betumi ayɛ nea ɛyɛ mmerɛw sen bere a woretɔ antenna a wɔde afiri a ɛma nneɛma yɛ kɛse ahyɛ mu – sɛ ɛba sɛ afiri a ɛma nneɛma yɛ kɛse no sɛe a, ɛnyɛ den sɛ wobɛsesa. Ɛnyɛ antenna no ankasa nkyɛn na wubetumi de asi hɔ, na mmom ɔdan atifi anaa dan no mu, na ɛno bɛma afiri no atra hɔ akyɛ.

Antena a ɛyɛ adwuma a wo ankasa yɛ a ɛwɔ afiri a ɛma nneɛma yɛ kɛse ma dijitaal TV:

https://youtu.be/YfR9TgaDf1Q na ɛkyerɛ sɛ woayɛ saa

TOP 6 Antenna Amplifiers a eye sen biara ma TV ahorow

Amplifiers binom agye din esiane sɛnea wɔn mfiri no yɛ mmerɛw, ɛho ka sua na ɛnyɛ den sɛ wɔde besisi hɔ nti. Sɛ ɛho hia a, w’ankasa wubetumi asesa na woasiesie. Sɛ woretɔ abɔnten so afiri a ɛma nneɛma yɛ kɛse a, ɛsɛ sɛ wohwɛ sɛnea ɛyɛ den no yiye. Wɔsesa mfiri a ɛwɔ abɔnten mfeɛ 2 biara sɛ wɔabɔ ho ban mpo a. Esiane eyi nti, eye sɛ wobɛbɔ mmɔden sɛ wobɛhwehwɛ baabi ama amplifier no wɔ ɔdan no atifi.

Antena afiri a ɛma nneɛma yɛ kɛse F-02

All-wave trunk amplifying afiri a wɔde nhama na ɛma ahoɔden. Ɔyɛ amplification a television sɛnkyerɛnne bi wɔ mita ne decimeter kwan so a adwumayɛ kwan (1-12 k) ne UHF (21-60 k). Mfasoɔ – kɔsi 25 dB, dede dodoɔ – kɔsi 2 dB, supply voltage – 12 V. Ɛka a wɔasusu sɛ ɛyɛ – 350 rubles.

Delta UATIP-03 MV + DMV na ɛwɔ hɔ

Amplifying broadband device ma ankorankoro de di dwuma wɔ mita (efi 1 kosi 12 akwan) ne decimeter (21 kosi 69 akwan) kwan so. Tumi a wɔde ma 12 V. Ɛka a wɔabu ho akontaa – 672 rubles.

SWA-999 a ɛkyerɛ “grid”.

Amplifier ma Polish antenna (“grid”) a ɛwɔ adwumayɛ frequency range fi 48 kosi 862 MHz na ahoɔden a wɔde ma 12 V. Gain – 28-34 dB. Wɔabu akontaa sɛ ɛka – 113 rubles. [nsɛmfua id=”attachment_376″ align=”aligncenter” trɛw=”600″]
Eurosky SWA-999 Amplifier[/nsɛmfua] https://youtu.be/QvRGUGq_eOs

REMO DAN MU USB (BAS-8102 5V) .

Antenna multi-purpose amplifier a ɛdannan passive antenna ma ɛyɛ active na ɛma wotumi yi ahoɔden a wɔde ma antenna amplifier no fi hɔ. Gain – a ɛkɔ soro kodu 16 dB. Tumi – 5 V. Ɛka a wɔabu ho akontaa – 245 rubles.

REMO Booster-DiGi (BAS-8207) a ɛma wotumi yɛ nneɛma pii.

Antenna amplifier a sɛ wɔkyekyem pɛpɛɛpɛ a, mfaso a ɛyɛ 21-69 akwan. Tumi a wɔde ma – 12 V. Dede factor – ɛnnkɔ soro nsen 2.8 dB. Wɔabu akontaa sɛ ɛka – 425 rubles.

Planar 21-69 FT ntoatoaso

Antenna amplifier ma cable a frequency range fi 470 kosi 468 MHz na mfaso a ɛkɔ 22 dB. Tumi a wɔde ma – 12 V. Dede akontaabu – 4 dB. Wobu akontaa sɛ ɛho ka yɛ ruble 350.

Ɔkwan bɛn so na wode w’ankasa wo nsa bɛyɛ antenna amplifier ama TV?

Nea edi kan no, ɛsɛ sɛ wusiesie nneɛma ne nnwinnade:

• aluminium mprɛte a wɔde yɛ adwuma;
• kɔbere waya;
• bracket a wɔde hyɛ mu;
• adapter a wɔde yɛ nneɛma;
• nuts, bolts, washers, nkɔnsɔnkɔnsɔn a ɛbɔ ne ho;
• television so nhama;
• rɔba abɔso a efi tractor mu;
• teyp a wɔde siw nsu ano;
• wrench a wɔde hama ayɛ.

Sɛ wowɔ osuahu wɔ adwuma a ɛte saa mu mpo a, akwankyerɛ ahorow no mu adesua a ɛkɔ akyiri so bɛba mfaso kɛse. Nea ɛho hia titiriw ne sɛnea wɔyɛ saa nneyɛe yi nnidiso nnidiso ne atirimpɔw a ɛwɔ nsɛm biara a ɛkɔ akyiri mu. Nneyɛe ahorow ho nhyehyɛe no te sɛ nea edidi so yi:

1. Wɔtwa ntokuru (abiɛsa wɔ rɔba mu, biako wɔ prɛte no mu).
2. Wobɛhia tokuru nso wɔ bracket ne antenna beaeɛ no mu.
3. Ɛsɛ sɛ wɔbɔ waya no na wɔde nkɔnsɔnkɔnsɔn a ɛbɔ ne ho bɔ mu wɔ n’awiei.
4. Wɔde cable no abɔ adapter no ho na nkitahodi no nso atew ne ho.
5. Nsɛm a ɛkɔ akyiri nyinaa bom. Wɔ awiei no, wɔde anyinam ahoɔden teyp abɔ cable attachment beae a waya wom no ho ban.

Amplifying device a ɛyɛ ne ho no wɔ mfasoɔ foforɔ – sɛ ɛnhia sɛ wɔhyehyɛ afiri a wɔawie no. Wɔde abɔ mu kɛkɛ: wɔde board no abɔ antenna no ho na wɔhwɛ sɛnea mfaso no te. Bere a afiri no reyɛ adwuma no, ɛnsɛ sɛ dede a ɛboro so ba. Wɔ amplifier no fam no, eye sɛ wubesiesie biribi a wɔde abɔ ho ban afi nneɛma a atwa yɛn ho ahyia nkɛntɛnso ho. Sɛ wopɛ sɛ wunya mfonini ne nnyigyei pa a, ɛnyɛ amplifier nko na wubehia, na mmom wobɛpaw beae a ɛfata a wode besisi nso. Wubehia anyinam poma nso. Beer Antenna a wɔde yɛ dijitaal TV a ɛwɔ afiri a ɛma nneɛma yɛ kɛse: https://youtu.be/axJSfcThfSU

Sɛ wofi ase yɛ adwuma a, ɛho hia sɛ wɔhwɛ sɛnea television so sɛnkyerɛnne no ma ɛyɛ kɛse te, na sɛ ɔhaw ahorow ba a, ɛsɛ sɛ woyi fi hɔ ntɛm ara.

Antenna booster a wode bɛyɛ wo TV no bɛboa wo ma woakwati ntwitwiridii ne ɔhaw afoforo a ɛbata TV sɛnkyerɛnne a wonnye no yiye ho. Sɛ woretɔ mfiri bi a, ɛsɛ sɛ wode w’adwene si nneɛma a ɛho hia so, ne bere a w’ankasa woreyɛ no, ɛsɛ sɛ wode w’adwene si nneyɛe a ɛfata ne beae a wobɛpaw no yiye a wode besisi so.