Ntawm technologyCable thiab Satellite TV

Vim li cas kuv xav tau ib tug kav hlau txais xov amplifier

Qhov zoo tshaj ntawm tus tau txais TV teeb liab yog nyob ntawm ntau yam. Qhov no deb mus rau qhov chaw ntawm lub TV tshaj tawm hauv xov, thiab thaj yam ntxwv ntawm cov cheeb tsam surrounding, nyob rau hauv particular, muaj cov khoom uas muaj peev xwm tsim electromagnetic cuam mus rau lub teeb liab. Muab tshem ntawm cov tau shortcomings duab nyob rau hauv tej rooj plaub yuav pab kav hlau txais xov amplifier.

Qhov no cim ntaus ntawv yuav ua rau koj receiver suab zoo thiab daim duab - meej. Txawm hais tias cov huab cua tej yam kev mob yog tsis yog lub feem ntau dej siab, thiab qhov kev ncua deb mus rau lub TV ntauwd - tseem ceeb.

Hnub no lub manufacturers muaj buyers lub TV kav hlau txais xov amplifier, uas yog tsim los mas cov feem ntau cov nyom cov huab cua puag. Tej qauv no yog muab nrog lwm tiv thaiv tawm tsam electromagnetic cuam tshuam, thiab lawv cov vaj tse yog thov ib tug tshwj xeeb kev tiv thaiv txheej (e.g., Terra MA 024, ACV Style, Alcad AL 200).

Xaiv ib tug kav hlau txais xov amplifier rau lub TV, nws yog tsim nyog los ua tib zoo kawm nws tus yam ntxwv. Feem ntau cov feem ntau ua los ntawm lub hwj chim ntawm no unit. Qhov no yog tej zaum qhov tseem ceeb txog kev paub los ntawm cov uas yuav muab kev xaiv li cas rau ib tug los yog lwm cov qauv. Nyob rau tib lub sij hawm nws yog tsim nyog los noj mus rau hauv tus account lub tej yam kev mob ntawm chav tsev nyob rau hauv uas lub kav hlau txais xov amplifier yog ntsia. Nws yuav tsum tau muab sau tseg hais tias qhov no ntaus ntawv yuav ua rau nws tau tsis tsuas mus rau ua kom nrov loj lub tswv yim teeb liab, tab sis kuj nce nws mus rau ntau yam receivers. Ua li no, cov pab kiag li lawm yog nruab nrog ntau outputs, enabling ib qho uas txawv mus cuag TV receivers nyob hauv tib thaj chaw.

Xaiv ib tug qauv, nrog cov kws txawj nyob rau hauv nws compatibility nrog qhov zoo tshaj ntawm cov ntsia kav hlau txais xov thiab kos koj lub TV receiver. Tej zaum lawv ob leeg tej yam nyob rau hauv qhov zoo ntawm cov tau txais lub teeb liab "yuav nullify" tag nrho koj cov kev siv zog. Tshwj xeeb tshaj yog yog hais tias nws twb tau incorrectly txuam tus feeder thiab kav hlau txais xov. Nyob rau hauv cov ntaub ntawv no, lub receivers yuav tsis tas soj ntsuam ripples yuav tshwm sim. Tab sis ib co manufacturers hais tias niaj hnub kav hlau txais xov amplifier yog tsis tau tshaj rau tag nrho cov nrov hom TVs.

Muaj ntau kos pab kiag li lawm yog nruab nrog tshwj xeeb regulators, uas yuav tsum tau nqa los ntawm ib tug nyias muaj nyias ib qhov nce tswj lub teeb liab lub tswv yim. Nyob rau hauv cov ntaub ntawv no, hloov yog ua nyob rau hauv ib tug ntau yam tsis tau siab tshaj 15 dB.

Yuav ua kom muaj kev nyab xeeb lub lag luam ntawm cov pab kiag li lawm, feem ntau ntawm cov qauv yog nruab nrog tshwj xeeb xeem tso zis connector yog nyob rau ntawm lub vaj tse, thiab ib tug hu rau davhlau ya nyob twg uas tso cai rau ua qhov kev twb kev txuas lub cev mus rau hauv av.

Cov kav hlau txais xov amplifier yuav muaj ob peb yam ntawm designs. Lub sab nraum zoov chav tsev yog nyob ncaj qha rau sab nraum ze ntawm lub mast kav hlau txais xov. Qhov no thiaj li hu ua mast amplifier. Qhov thib ob hom yog ntsia nyob ze ib tug TV nyob rau hauv lub tsev. Qhov no chav tsev amplifier. Tus thawj hom nce dua los ntawm lub standpoint ntawm lub teeb liab. Tshwj xeeb tshaj yog yog hais tias muaj yog ib tug ntev-ntau txais tos. Nyob rau hauv thiaj li yuav tiv thaiv kom txhob lwj, thov niaj hnub coaxial cables. Nyob rau hauv tej rooj plaub, lub waveguide paths yog ua tau.

Rau installation nyob rau hauv uas nyob deb nroog cov chaw muab kev xaiv li cas mus rau lub ntaus ntawv nrog ib tug nce nyob rau hauv plaub caug los yog tsib caug decibels.

Saib qhov twg ntaus koj xaiv rau koj tus kheej, txawm yog hais tias nws yog paub tseeb hais tias cov nqe lus los ntawm cov khw zoo thiab kev cia siab ntawm lub lag luam, hauv daim duab nyob rau hauv koj lub TV yuav nco ntsoov yuav ib tug ntshiab thiab high-zoo suab. Tom qab tag nrho, tsis muaj zem qhov kev thov rau cov pab kiag li lawm yog nce txhua txhua xyoo, raws li tag nrho cov xav mus saib koj nyiam cov kev pab cuam tsis cuam thiab nrog uninterrupted suab.

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