Satellite dish cable bɛn na wobɛpaw ne sɛnea wobɛhwɛ ansa na woatɔ

Satellite TV betumi adu okyinnsoromma yi mmeae a atew ne ho sen biara, baabi a wɔn a wɔtaa de ma ne abantenten a wɔde bɔ amanneɛ nni hɔ. Wɔde compact systems a ɛwɔ hɔ dedaw no si hɔ bere biara. Satellite dish bɛma woanya mfonini a ɛyɛ kɔla na emu da hɔ. Ahotoso a wogye no gyina nhyehyɛe ne mfiridwuma ho nnwinnade so. Cable a wɔde yɛ “dish” no tumi ma nkɔsoɔ na ɛkura quality indicators, na ɛbrɛ tumi no ase sɛ wɔpaw nea ɛnteɛ a.

Satellite dish cable afiri a wɔde di dwuma

Dɛn ne television cable a wɔde yɛ satellite dish no atirimpɔw:

• fa sɛnkyerɛnne a efi antenna no mu ba TV no so a ɛhwere ade ketewaa bi;
• bɔ wo ho ban fi abɔnten so anyinam ahoɔden a ɛbɛtwetwe wo ho;
• kɔ so yɛ adwuma wɔ mfiri adesoa ase, wɔ wim tebea a emu yɛ den mu.

Coaxial cable no gyina nnwuma no ano. Ɛfata ma broadcasting (gyede denam TV abantenten anaa dan mu antenna so) ne satellite. Enti, nsonsonoe biara nni sɛnea wɔyɛe no mu. Nneɛma ahorow nkutoo na wɔde di dwuma.

1. Conductive core (mfinimfini hama). Wɔayɛ no mũ anaasɛ ɛyɛ tokuru. Nneɛma a wɔde yɛ no yɛ kɔbere, aluminium, dade ne dwetɛ a wɔde afra.
2. Insulation (a ɛwɔ mu). Dielectric a wɔde yɛ adwuma.
3. Screen (aluminium a wɔde ayɛ krataa). Ɛbɔ ho ban fi abɔnten anyinam ahoɔden a ɛtwetwe adwene ho.
4. Kɔbere a wɔde ahama ayɛ. Nneɛma foforo a wɔde bɔ ho ban.
5. Abɔnten so akorade. Ahobammɔ a wɔde ma fi mfiri a ɛbɔ ne abɔde mu nneɛma ho.

Su titiriw a ɛwɔ coaxial cable ma satellite dish

Sɛ́ anyinam ahoɔden sɛnkyerɛnne bi kwankyerɛfo no, wɔde mfiridwuma ne honam fam nneɛma ama ade no.

Mfinimfini waya no ntwemu

Ɛlektrik mfiridwuma ho mmara ka sɛ anyinam ahoɔden a ɛsesa no trɛw kɛse wɔ conductor no ani. Tumi ketewaa bi bɛn mfinimfini. Enti, dodow a conductive core no yɛ den no, dodow no ara na attenuation a ɛka range no sua. Standard diameter a ɛwɔ mfinimfini waya ma television antenna: 0.5-1 mm. Sɛ wopɛ “plate” a, anyɛ yiye koraa no wuhia mm 1. [nsɛmfua id=”attachment_3219″ align=”aligncenter” trɛw=”800″]
Mfinimfini core[/nsɛmfua]

Asorɔkye a ɛbɔ ho ban

Nsusuwii a wɔde susuw nneɛma ne Ohms (Ohm). Wɔ television ne satellite antenna ho no, wɔde ohms 75 na edi dwuma. Eyi ne input impedance a ɛwɔ connector a wɔde cable no abɔ mu no. Dodow a enhyia no bɛma mprempren tumi a ɛwɔ hɔ no so atew. Sɛ wire resistances a ɛyɛ pɛ nni hɔ a, ɛyɛ yie sɛ wɔde su ahodoɔ bɛdi nkitaho wɔ akwan tiawa so. Sɛ nhwɛso no, wɔ ankorankoro fie.

Nnyinasosɛm a ɛfa sɛnea coax no yɛ adwuma ho

Egyina sɛnea anyinam ahoɔden asorɔkye bi te wɔ nhama no mu so. Wɔpaw mfinimfini core ne screen no ntwemu wɔ ɔkwan bi so a ɛbɛma sɛnkyerɛnne a wɔhwere no so atew. Nhama no mma afuw no nkɔ akyiri nsen waya no, na ɛma ɛte sɛ asorɔkye kwankyerɛfo.

Nea ɛsɛ sɛ wohwehwɛ bere a worepaw nhama a wode bɛka satellite dish ne TV ho no

Satellite dish yɛ afiri a wɔde bɔ abɔnten. Wɔde cable line no fã bi ato baabi a ɛhɔ yɛ petee. Nneɛma a ɛho hia wɔ coax a wɔpaw no mu.

Abɔnten so akorade nneɛma

Wɔkamfo polyethylene nnyinaso kyerɛ, a ɛnyɛ den sɛ nneɛma a ɛyɛ den bɛba: wim tebea bɔne, ɔhyew a ɛsakra. PVC (polyvinyl chloride) a wɔde di dwuma wɔ sikasɛm nhyehyɛe mu no rennye wo mfi mpaapaemu a ɛbɛda adi wɔ awɔw mu, a ɛsɛe nneɛma a wɔde siw mframa ano no mu. Akyiri yi, nsu kɔ mu, na ɛma kar no yɛ tiaa. Nnwinnade a ɛnyɛ adwuma yiye bɛba. Wɔn a wɔyɛ no de coaxes a wɔde nsu soronko ahyɛ mu ma ma tebea horow a emu yɛ den.

Nneɛma a wɔde siw mframa ano a ɛwɔ mu

Satellite broadcasting wɔ propagation feature – ɛho hia sɛ wɔde kwan tẽẽ a ɛda radiation fibea ne antenna ntam. Dua bi nkorabata a ɛwosow, ɔdan bi a ɛbɛn hɔ, ne sukyerɛmma a ɛyɛ den a ɛtɔ betumi de ɔhaw pii aba. Ɛho hia sɛ wokura sɛnkyerɛnne a wogye dedaw no mu na wode ba nea ogye no nkyɛn. Television sɛnkyerɛnne no akyi no, wɔde converter control ahyɛde ahorow fa cable no so mena. Ɛsɛ sɛ wopaw ade a ɛwɔ mu screen abien: braid (mesh) ne aluminum foil a wɔde ayɛ.

Cable bending tumi

Ɛntaa mma sɛ wobetumi de nkyerɛwde a ɛyɛ tẽẽ ato hɔ. Enti, wɔkamfo kyerɛ sɛ wobehu sɛnea waya no bɛyɛ n’ade bere a wɔabubu no.

Abɔnten so akorade no ntwea a ɛyɛ nnam no kyerɛ sɛ mfiri no ntumi nnyina pintinn a ɛba fam. Wɔde nneɛma a ɛwɔ mu no abata insulation no ho a ɛnyɛ den. Mpaapaemu a ɛyɛ kurukuruwa kyerɛ sɛnea ɔdan no mu yɛ den, sɛnea waya mu nneɛma no bɛn wɔn ho wɔn ho kɛse. Standard coax thickness ma satellite dish: 6mm.

Nsiesiei a wɔde besiesie cable no ama instɔlehyɛn

Abenfo a wɔn ho akokwaw ka sɛ anyinam ahoɔden ne nyansahu a ɛfa nkitahodi ho. Nkitahodi no mudi mu kura a wobu so no ma adwuma a ɛne sɛ wɔde nhama no bɛto hɔ no yɛ kwa.

Sɛnea wɔde cable bɛhyɛ mu ama nkitahodi

Sɛ kwan a ɛda receiver no ne satellite dish no ntam no yɛ mita 10-15 a, ɛnde ɛyɛ yie sɛ wobɛtɔ sample a wɔasiesie a ɛwɔ connectors. Sɛ ɛho hia a, wɔde nkitahodi ahorow di dwuma. Wɔde F contact a ɛwɔ kratasin a edidi so yi mu gu waya no awiei.

Wɔahyɛ nkitahodi no agyirae (nhwɛso): Plug F (nut) wɔ RG-6 (zinc) (F113-55). Ade titiriw a ɛkyerɛ: RG-6. Wei kyerɛ sɛ wɔayɛ ama RF cable a ne kɛseɛ yɛ mm 6 wɔ abɔnten insulation no so. Sɛnea wobesiesie F-connector no yiye wɔ coax no so no wɔakyerɛ wɔ video no mu: https://youtu.be/4geyGxfQAKg Cable stripping for a satellite dish:

Nea ɛsɛ sɛ wohwɛ so yiye bere a wode cable line rehyɛ mu no

Ansa na wobɛtɔ waya no, ɛsɛ sɛ woma ɔkwan no tenten, afã horow a ɛyɛ den no mu da hɔ.

Ɛhia! Ɛsɛ sɛ wɔyɛ instɔlehyɛn “daa”, a wɔnyɛ nsakrae foforo na wogyaw “ma akyiri yi”.

Susu ma:

3. Kwati sɛ wobɛkotow denneennen.
4. Sɛ worefi ɔfasu no mu akɔ abɔnten a, yɛ loop a ɛkyerɛ fam. Nsu a ɛwɔ osutɔ bere mu no bɛtɔ, na ɛrenkɔ tokuru a ɛwɔ abon no ho no mu.
5. Sɛ wode nnua mfɛnsere mu rehyɛ mu a, to tokuru a ne kɛse (bɛyɛ mm 1) sen nhama no mu duru.
6. Mfa plastic a wɔde ayɛ nneɛma no mu. Sɛ wɔyɛ hermetic nhyehyɛe a, wobetumi de gas ahyɛ ɔdan no ma sɛ mfɛnsere a wɔde ahwehwɛ abien ayɛ. Fa ɔkwan a ɛda mfɛnsere no ne ɔfasu a wɔde foam a wɔde si so ahyɛ mu ma no ntam no di dwuma. Mpɛn pii no, wonya nsɛm a ɛte saa fi mfɛnsere no ase.
7. Wɔ dan mu no, fa nhama no sie plastic adaka mu anaasɛ wɔ skirting boards a cable channels wom mu.
8. Mfa anyinam ahoɔden nhama nka ho, mmɛn mfiri ne nnwinnade a ahoɔden wom. Eyi betumi abɛyɛ ade a ɛde ne ho hyɛ mu.
9. Ɛsɛ sɛ wɔto mmeae a wobetumi afi adi akɔ mmeae a wɔabue no ano. Ɛnsɛ sɛ nhama a ɛwɔ abɔnten mmeae a ɛda hɔ gyina hɔ no twetwe anaasɛ ɛwosow kwa wɔ tebea horow a mframa bɔ kɛse mu.
10. Kwati nkitahodi pii a ɛnam nkitahodi ahorow so bere biara a ɛbɛyɛ yiye.

Sɛnea wobɛhwɛ sɛnea coaxial cable a wɔde ato hɔ no yɛ nokware

Ɛba sɛ mfonini no su so atew, asorɔkye wɔ screen no so, nsensanee a ɛwɔ kɔla ahorow , anaasɛ mfonini no a ɛporɔw ayɛ no ahinanan nketewa. Nnyigyei a wɔkyinkyim.

Sɛ wɔde nnwinnade a ɛwɔ hɔ dedaw no behu baabi a nneɛma asɛe no

Mfomso localization a ebetumi aba no kɔ soro bere a wɔde nsɛnkyerɛnne fibea ahorow pii di dwuma no. Wɔaka nneɛma a ebetumi ama mfonini no su asɛe anaasɛ sɛnkyerɛnne ayera ho asɛm wɔ video no mu wɔ adwumayɛfo kwan so: https://youtu.be/gYy2R_1W9Zs Sɛnea wobɛhwɛ satellite dish cable: https://youtu.be/pmQ9oOzqoYo Bere a wode beae a asɛe no asi hɔ akyi no, honam fam check of the cable no yɛ nea wɔyɛ.

Mfiri a wotumi fa so a wɔde di dwuma

Wobɛhia ofie tester (multimeter) a ɛma wotumi de aniwa (acoustically) kyerɛ sɛnea mfinimfini core no mudi mu kura ne sɛ enni short circuit ne screen no.
Ɔkwan a wɔfa so hwɛ afã horow pii a ɛtoatoa so wɔ ɔkwan kɛse no so:

1. Twa (bue) waya no fi articulation point a ɛbɛn dan no kɛse no mu.
2. Dismantle connectors no, ma screens ne mfinimfini cores no ahofadi.
3. Siesie afiri no ma susuw resistance (sɛnea akwankyerɛ no kyerɛ).
4. Hwɛ nhama a ɛkɔ antenna no so. Fa probes no bata mfinimfini core ne dade braid no ho. Ɛhia. Ɛnsɛ sɛ wɔn a wɔhwɛ so no de wɔn nsa ka. Sɛ core no wɔ tebea pa mu a, afiri no bɛkyerɛ boɔ a ɛnyɛ baako, nanso ɛnyɛ zero. Sɛ wɔto mu a, akenkan ahorow no bɛpɛ sɛ ɛyɛ zero (anaasɛ ɛbɛkyerɛ 0), na nnyigyei sɛnkyerɛnne bi bɛda adi (sɛ sɛnea wɔayɛ afiri no ma ɛfata a). Multimeter no rennye ahomegyeɛ ho mmuaeɛ, na ɛbɛma boɔ 1 no ansesa.
5. Saa ara nso na hwɛ waya a ɛwɔ dan no kwan so no. Ɛsɛ sɛ wɔde cable a ɛkɔ receiver no so no bata ho.

Wɔahyɛ ɔfrɛ ho nhwɛsoɔ ho nyansa wɔ video no so: https://youtu.be/k0fS-doHtDY

Coaxial cable a agye din a wɔde yɛ satellite dish

Wɔ assortment no mu no, budget ne brands a ne bo yɛ den nyinaa wɔ hɔ. Cable bɛn na eye ma “dish” no? Nneɛma a wɔayɛ a agye din ho nsɛm a wɔaka abom, ne mfaso ne ɔhaw ahorow a ɛwɔ so.

RK-75 na ɛwɔ hɔ

Afiri mu nhama a wɔtaa de di dwuma.
Mfinimfini hama no ntwemu no gu ahorow fi mita 0.75-1.63 ahinanan. mm, polyethylene foam akyi akorade. Mfaso a ɛwɔ so:

• sika a wobetumi atɔ;
• tebea horow a wɔde di dwuma: -/+ 60 gr. FIRI.

Mfomso ahorow:

• options a ɛwɔ single-layer braided screen no betumi aba.

RG-6U na ɛwɔ hɔ

Nneɛma a wɔyɛ China. RK-75 a ɛne ne ho di nsɛ. Kɔbere mfinimfini conductor (1 mm) anaasɛ dade a wɔde kɔbere adura ho.
Mfaso a ɛwɔ so:

• a wɔde bɔ wɔn ho ban mmɔho abien;
• ma frequency range a ɛkɔ 3 GHz (satellite broadcast channels).

Mfomso ahorow:

• abɔnten PVC insulation fata nkutoo ma mu a wɔde to track no.

SAT-50 na ɛwɔ hɔ

Italiafo ahyɛnsode a wɔde yɛ coax. Nkɔanim conductive su ma akyirikyiri mounting. Double screen, kɔbere a ne kɛse yɛ mm 1.
Mfaso a ɛwɔ so:

• mid-price segment cable a ɛwɔ su a ɛkɔ anim;
• nsɛm a wɔde di dwuma no fata ma Russia mmeae dodow no ara.

Mfomso ahorow:

• soft shell (ɛhwe ase wɔ akyirikyiri wɔ mmeae a ɛbata ho ntam).

SAT-703 na ɛwɔ hɔ

SAT-50 analogue a wɔatu mpɔn. Mfinimfini core no ntwemu: 1.13 mm. Nneɛma a wɔhwere so tew bere a sɛnkyerɛnne no trɛw wɔ akyirikyiri no.
Mfaso a ɛwɔ so:

• wim tebea a emu yɛ den a wɔko tia;
• laying tenten fi mita 50.

Mfomso ahorow:

• ne bending diameter a ɛba fam koraa ne 35-40 mm.

DG-113 na ɛwɔ hɔ

Abenfo hyɛ no agyirae sɛ ɛyɛ nea eye sen biara ma satellite a wɔde bɔ amanneɛ no. Nneɛma a ɛbɔ screen no ho ban no bɛn 90 dB, na eyi nkɛntɛnso a efi abɔnten so anyinam ahoɔden a ɛtwetwe adwene no fi hɔ koraa.
Mfaso a ɛwɔ so:

• durability, ahotoso a wotumi de ho to so
• a wontumi nnya tebea horow a ɛyɛ hu;
• sɛnkyerɛnne kwan so attenuation kakra.

Mfomso ahorow:

• boɔ.

Nsɛm a wɔtaa bisa

Core bɛn na eye: kɔbere anaa dade? Kɔbere na ɛwɔ anyinam ahoɔden a ɛsen biara. Ebia mfinimfini conductor no yɛ alloys afoforo. Eyi nsɛe adwumayɛ, efisɛ wɔde kɔbere a wɔde petepete so. Nsonsonoe bɛn na ɛwɔ nhama a ɛwɔ akyi aduru tuntum ne fitaa ntam? Ɛde besi nnansa yi no, na wogye di sɛ wɔayɛ nhama a ɛyɛ kɔla a ɛyɛ hann ama dan mu nhama, tuntum – ama abɔnten mmeae. Nnɛyi nneɛma a wɔde yɛ nneɛma no ne gradation a ɛte saa nhyia. Wɔkamfo kyerɛ sɛ wobɛhwɛ bere a woretɔ ade no. Ɔtɔnfoɔ no kaa sɛ cable no yɛ “low frequency”, wei kyerɛ dɛn? Nsuo a ɛtumi fa mu a ɛwɔ core no mu no bɛbrɛ satellite akwan a ɛkorɔn a ɛwɔ band no ase. So ebetumi aba sɛ wobɛka 50 ohm cable sɛ 75 ohm waya nni hɔ a?Wɔ kwan nketewa (ɛkɔ mita 10) ntam wɔ satellite dish ne receiver no ntam. Sɛnea sɛnkyerɛnne no yɛ papa no gyina nneɛma pii so. Cable a wɔpaw no yiye no boa ma adwumayɛ tu mpɔn a wɔmfa amplifiers nni dwuma bio bere a wɔde line no rehyɛ mu no.