The terevhizheni chiratidzo gudzazwi uye ayo dzakasiyana

Sezvo tsika zvinoratidza, mufananidzo paTV hapasi kugutsa mutengi kuti unhu hwavo. Muzviitiko zvakadaro kazhinji kunogona kubatsira terevhizheni Mureza gudzazwi - zano unokubvumira kupa zvakanakisisa pamwero mugamuchiri unongotaura. It haana kurasa kushanda kwayo kunyange panguva nokukurumidza kukura waya michina. Chokwadi chokuti zano yakadaro inogona kushandiswa vanoshandisa somunhu seboka network, uye "waya" subscribers.

Pokushandisa nyika

The gudzazwi munhu terevhizheni chiratidzo kupa sedumba ndiyo mhinduro yakakwana kuti vanhu vanogara kunze maguta. Chokwadi ndechokuti pasina mukana kubatana kuti waya network, murombo chiratidzo kugamuchirwa kanyanga, kana kungoti kuvapo vagamuchiri akawanda (TVs), mudziyo uyu hunokosha. Izvi ndezvechokwadi kunyanya avo nzvimbo pamwero rwokuzvarwa ruzha kunokanganisa kunaka chiratidzo. Zvinofanira kucherechedzwa kuti nyaya dzakadaro, nyanzvi dzinokurudzira kuti kushandisa mano kwakadaro maonero nezvenyaya misalignment siyana kuti unhu mazano chiratidzo. Asati nokushumira terevhizheni chiratidzo simba pamwero riri dzichienderana pamusoro mumwe mugero yoga.

kanyanga amplifiers

In Kana apo chiratidzo mugamuchiri iri kure dzepaterevhizheni, uye kuti aripire nokurasikirwa musiwa refu netambo, Zvakakunakirai kuti kushandisa kanyanga amplifiers. Vanewo kazhinji vachinzi "antennas zvinoshingaira". Kushandiswa, kuwedzera chiratidzo unhu zvingava zvakakurumbira (wideband) kana paradzanisa (UHF uye VHF).

The kusarudza gudzazwi

A zvakajairika chaizvo mubvunzo vatengi kusonganirana mudziyo akadai neterevhizheni chiratidzo gudzazwi, "sei kusarudza yakakodzera mudziyo," Zvakakodzera kufunga vamwe anokosha parameters. Chokutanga kushanda Frequency bhendi. Chokwadi kuti hova negashiro kanyanga pacharo uye gudzazwi unofanira kuenzana. Chimwe chinhu - vaifanira goho pamwero (kana mudziyo wakanaka, mufananidzo uyu hazvisi asingasviki 100 db / UV). Chechitatu caveat ndechokuti fuma ave anofungidzirwa kuti chinoratidza 40 db. Typical simba kunwa rinowanzova ari kuwanda 10 kusvika 60 Ma. Kuti muchidimbu pamusoro kusarudzwa mudziyo, zvinofanira kucherechedzwa kuti terevhizheni chiratidzo gudzazwi kuva mukuru zvaibvira fuma yakaderera maitikiro.

Amplifiers kuti waya network vavo mhando

Kugadzwa zviri gudzazwi munogona dzakasiyana-siyana samambure kuti waya TV subscribers. Panyaya iyi, pane mhando dzakawanda mano izvi. sarudzo dzavo kunobva zvikurukuru pamusoro nzvimbo apo mudziyo zvichabviswa iiswe. The Mhando chikuru mano - dzimba ichi uye hunde amplifiers. Chokutanga mhando ndiyo nyore. Zviridzwa izvo zvinonzi zvakaipa, kazhinji kuiswa iri Apartments, apo unofanira kubatanidza vakawanda TVs. Hunde amplifiers, pana mazita avo, vari kuisa kuti waya pakutengeserana. Kazhinji, vari akaiswa mumuviri chisimbiso vanofa-vakakanda, saka vanogona munzvimbo chero chikamu samambure.

Satellite amplifiers

Satellite TV mureza gudzazwi mudziyo wacho mutsva. Rinopa anoishandisa mukana kutora zvose terevhizheni uye Satellite chiratidzo. Parinoshandiswa uri kure kure kubva kanyanga kuitika chiratidzo kurasikirwa muripo uye kuparadzirwa kwayo pakati vakawanda vagamuchiri. amplifiers kwakadaro kunogona revatema kana kushanda ariega.