{"id":34586,"date":"2019-10-31T21:59:12","date_gmt":"2019-10-31T18:59:12","guid":{"rendered":"https:\/\/prohoster.info\/blog\/seti-kabelnogo-televideniya-dlya-samyh-malenkih-chast-6-usiliteli-rf-signala\/"},"modified":"2019-10-31T21:59:12","modified_gmt":"2019-10-31T18:59:12","slug":"seti-kabelnogo-televideniya-dlya-samyh-malenkih-chast-6-usiliteli-rf-signala","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/seti-kabelnogo-televideniya-dlya-samyh-malenkih-chast-6-usiliteli-rf-signala","title":{"rendered":"S\u00ed\u0165 kabelov\u00e9 televize pro nejmen\u0161\u00ed. \u010c\u00e1st 6: Zesilova\u010de RF sign\u00e1lu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"S\u00ed\u0165 kabelov\u00e9 televize pro nejmen\u0161\u00ed. \u010c\u00e1st 6: Zesilova\u010de RF sign\u00e1lu\" src=\"\/wp-content\/uploads\/2019\/05\/36bcd73dffd731737aa78687864b4475.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV tomto \u010dl\u00e1nku se zam\u011b\u0159\u00edme na zesilova\u010de vysokofrekven\u010dn\u00edho r\u00e1diov\u00e9ho sign\u00e1lu kabelov\u00e9 televize na koaxi\u00e1ln\u00ed \u010d\u00e1sti rozvodu.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n<b class=\"spoiler_title\">Obsah s\u00e9rie \u010dl\u00e1nk\u016f<\/b><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/449322\/\">\u010c\u00e1st 1: Obecn\u00e1 architektura s\u00edt\u011b KTV<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/449902\/\">\u010c\u00e1st 2: Slo\u017een\u00ed a forma sign\u00e1lu<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/450256\/\">\u010c\u00e1st 3: Analogov\u00e1 slo\u017eka sign\u00e1lu<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/450258\/\">\u010c\u00e1st 4: Digit\u00e1ln\u00ed slo\u017eka sign\u00e1lu<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/450278\/\">\u010c\u00e1st 5: Koaxi\u00e1ln\u00ed distribu\u010dn\u00ed s\u00ed\u0165<\/a><\/noindex><\/li>\n<li>\u010c\u00e1st 6: RF sign\u00e1ln\u00ed zesilova\u010de<\/li>\n<li>\u010c\u00e1st 7: Optick\u00e9 p\u0159ij\u00edma\u010de<\/li>\n<li>\u010c\u00e1st 8: Optick\u00e1 p\u00e1te\u0159n\u00ed s\u00ed\u0165<\/li>\n<li>\u010c\u00e1st 9: Hlavn\u00ed stanice<\/li>\n<li>\u010c\u00e1st 10: Diagnostika a \u0159e\u0161en\u00ed probl\u00e9m\u016f na KTV s\u00edti<\/li>\n<\/ul>\n<p>\nPokud je v dom\u011b (nebo dokonce v cel\u00e9m bloku) pouze jeden optick\u00fd p\u0159ij\u00edma\u010d a ve\u0161ker\u00e9 rozvody a\u017e ke stojan\u016fm jsou provedeny koaxi\u00e1ln\u00edm kabelem, je nezbytn\u00e9 zajistit zes\u00edlen\u00ed sign\u00e1lu na jejich za\u010d\u00e1tku. V na\u0161\u00ed s\u00edti se p\u0159edev\u0161\u00edm pou\u017e\u00edvaj\u00ed za\u0159\u00edzen\u00ed firmy Teleste, proto budu mluvit na jejich p\u0159\u00edkladu, ale principieln\u011b se za\u0159\u00edzen\u00ed jin\u00fdch v\u00fdrobc\u016f od sebe nijak neli\u0161\u00ed a soubor funkc\u00ed pro nastaven\u00ed je obvykle podobn\u00fd.<\/p>\n<p>Model CXE180M m\u00e1 minim\u00e1ln\u00ed po\u010det nastaven\u00ed:<br \/>\n<img decoding=\"async\" alt=\"S\u00ed\u0165 kabelov\u00e9 televize pro nejmen\u0161\u00ed. \u010c\u00e1st 6: Zesilova\u010de RF sign\u00e1lu\" src=\"\/wp-content\/uploads\/2019\/05\/7bb8b53563084681625326a0bff20e70.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nJak si pravd\u011bpodobn\u011b pamatujete z p\u0159edchoz\u00edch \u010d\u00e1st\u00ed, sign\u00e1l m\u00e1 dva d\u016fle\u017eit\u00e9 kvantitativn\u00ed parametry: \u00farove\u0148 a sklon. Tyto parametry mohou pomoci vyrovnat nastaven\u00ed zesilova\u010de. Za\u010dn\u011bme v po\u0159\u00e1dku: hned za vstupn\u00edm konektorem se nach\u00e1z\u00ed <b>atenu\u00e1tor<\/b>. Ten umo\u017e\u0148uje sn\u00ed\u017eit vstupn\u00ed sign\u00e1l o maxim\u00e1ln\u011b 31 dB (p\u0159i p\u0159epnut\u00ed modr\u00e9ho jumperu podle sch\u00e9matu se rozsah regulace m\u011bn\u00ed z 0-15 na 16-31 dB). To je nezbytn\u00e9 v p\u0159\u00edpad\u011b, \u017ee na zesilova\u010d p\u0159ich\u00e1z\u00ed sign\u00e1l vy\u0161\u0161\u00ed ne\u017e 70 dB\u03bcV. Zesilova\u010d zaji\u0161\u0165uje zv\u00fd\u0161en\u00ed \u00farovn\u011b sign\u00e1lu o 40 dB, a na v\u00fdstupu bychom m\u011bli z\u00edskat maxim\u00e1ln\u011b 110 dB\u03bcV (p\u0159i vy\u0161\u0161\u00ed \u00farovni v\u00fdrazn\u011b kles\u00e1 pom\u011br sign\u00e1l\/\u0161um a toto \u010d\u00edslo plat\u00ed pro v\u0161echny \u0161irokop\u00e1smov\u00e9 zesilova\u010de a p\u0159ij\u00edma\u010de s vestav\u011bn\u00fdm zesilova\u010dem). Pokud tedy na vstup zesilova\u010de p\u0159ich\u00e1z\u00ed nap\u0159\u00edklad 80 dB\u03bcV, na v\u00fdstupu n\u00e1m dod\u00e1 120 dB\u03bcV \u0161umu a rozpadl\u00fdch \u010d\u00edsel. Abychom tomu p\u0159ede\u0161li, mus\u00edme nastavit vstupn\u00ed atenu\u00e1tor do pozice \u00fatlumu 10 dB.<\/p>\n<p>Za atenu\u00e1torem vid\u00edme <b>ekvaliz\u00e9r<\/b>. Ten je nezbytn\u00fd pro odstran\u011bn\u00ed zp\u011btn\u00e9ho sklonu, pokud je p\u0159\u00edtomen. Toho se dosahuje sn\u00ed\u017een\u00edm \u00farovn\u011b sign\u00e1lu v oblasti n\u00edzk\u00fdch frekvenc\u00ed a\u017e o 20 dB. Je d\u016fle\u017eit\u00e9 poznamenat, \u017ee odstran\u011bn\u00ed zp\u011btn\u00e9ho sklonu zv\u00fd\u0161en\u00edm \u00farovn\u011b vysok\u00fdch frekvenc\u00ed nen\u00ed mo\u017en\u00e9, pouze potla\u010den\u00edm n\u00edzk\u00fdch.<\/p>\n<p>Tyto dva n\u00e1stroje b\u00fdvaj\u00ed dostate\u010dn\u00e9 pro opravu drobn\u00fdch odchylek sign\u00e1lu od normy. Pokud tomu tak nen\u00ed, m\u016f\u017eeme vyu\u017e\u00edt n\u00e1sleduj\u00edc\u00ed:<\/p>\n<p><b>Simul\u00e1tor kabelu<\/b>, proveden\u00fd ve form\u00e1tu vlo\u017eky, kterou lze um\u00edstit horizont\u00e1ln\u011b nebo vertik\u00e1ln\u011b, jak je jasn\u00e9 z n\u00e1zvu, simuluje za\u0159azen\u00ed dlouh\u00e9ho \u00faseku kabelu, na kter\u00e9m by m\u011blo doch\u00e1zet k \u00fatlumu p\u0159ev\u00e1\u017en\u011b vy\u0161\u0161\u00edch frekvenc\u00ed. To umo\u017e\u0148uje, pokud je to nutn\u00e9, sn\u00ed\u017eit p\u0159\u00edm\u00fd \u00fahel, potla\u010duj\u00edc\u00ed 8 dB v oblasti vysok\u00fdch frekvenc\u00ed. To m\u016f\u017ee b\u00fdt u\u017eite\u010dn\u00e9 p\u0159i instalaci zesilova\u010d\u016f kask\u00e1dov\u011b na kr\u00e1tkou vzd\u00e1lenost, nap\u0159\u00edklad.<\/p>\n<p>Po t\u011bchto manipulac\u00edch sign\u00e1l proch\u00e1z\u00ed prvn\u00ed f\u00e1z\u00ed zesilovac\u00edho kask\u00e1du, po kter\u00e9 vid\u00edme dal\u0161\u00ed vlo\u017eku, kter\u00e1 umo\u017e\u0148uje dodate\u010dn\u011b sn\u00ed\u017eit koeficient zes\u00edlen\u00ed. N\u00e1sleduj\u00edc\u00ed jumper op\u011bt pom\u016f\u017ee potla\u010dit n\u00edzk\u00e9 frekvence pro z\u00edsk\u00e1n\u00ed po\u017eadovan\u00e9ho sklonu. Tyto dv\u011b nastaven\u00ed v podstat\u011b funguj\u00ed jako vstupn\u00ed attenu\u00e1tor a ekvaliz\u00e9r, ale pracuj\u00ed s druhou f\u00e1z\u00ed kask\u00e1du.<\/p>\n<p>Na v\u00fdstupu zesilovac\u00edho kask\u00e1du vid\u00edme <b>testovac\u00ed odvod<\/b>. To je standardn\u00ed z\u00e1vitov\u00fd konektor, k n\u011bmu\u017e lze p\u0159ipojit m\u011b\u0159ic\u00ed p\u0159\u00edstroj nebo televizn\u00ed p\u0159ij\u00edma\u010d pro kontrolu kvality v\u00fdstupn\u00edho sign\u00e1lu. Ne v\u0161echny p\u0159\u00edstroje a prakticky \u017e\u00e1dn\u00e9 televize nejsou schopn\u00e9 norm\u00e1ln\u011b zpracovat sign\u00e1l s \u00farovn\u00ed sto a v\u00edce dB\u00b5V, tak\u017ee testovac\u00ed odvody na jak\u00e9mkoli za\u0159\u00edzen\u00ed jsou v\u017edy prov\u00e1d\u011bny s \u00fatlumem 20-30 dB od skute\u010dn\u00e9 hodnoty na v\u00fdstupu. To je t\u0159eba v\u017edy m\u00edt na pam\u011bti p\u0159i prov\u00e1d\u011bn\u00ed m\u011b\u0159en\u00ed.<\/p>\n<p>P\u0159ed v\u00fdstupem je nastavena dal\u0161\u00ed vlo\u017eka. Na fotografii zesilova\u010de je vid\u011bt, \u017ee \u0161ipka na n\u00ed ukazuje pouze na prav\u00fd v\u00fdvod. To znamen\u00e1, \u017ee na lev\u00e9m nebude \u017e\u00e1dn\u00fd sign\u00e1l. Takov\u00e9 vlo\u017eky jsou v t\u011bchto zesilova\u010d\u00edch \"z krabice\", a uvnit\u0159 samotn\u00e9 krabice v balen\u00ed je dal\u0161\u00ed:<\/p>\n<p><img decoding=\"async\" alt=\"S\u00ed\u0165 kabelov\u00e9 televize pro nejmen\u0161\u00ed. \u010c\u00e1st 6: Zesilova\u010de RF sign\u00e1lu\" src=\"\/wp-content\/uploads\/2019\/05\/4981c7492e6304d7d1bbbdbc1cdc0720.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTa umo\u017e\u0148uje zapojit druh\u00fd v\u00fdvod, ale nevyhnuteln\u011b vn\u00e1\u0161\u00ed \u00fatlum sign\u00e1lu o velikosti 4 dB.<\/p>\n<p>Zesilova\u010d modelu CXE180RF na prvn\u00ed pohled m\u00e1 dvakr\u00e1t v\u00edce nastaven\u00ed:<br \/>\n<img decoding=\"async\" alt=\"S\u00ed\u0165 kabelov\u00e9 televize pro nejmen\u0161\u00ed. \u010c\u00e1st 6: Zesilova\u010de RF sign\u00e1lu\" src=\"\/wp-content\/uploads\/2019\/05\/31464579dfc395537a4f38fde05b7efd.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVe skute\u010dnosti to nen\u00ed tak stra\u0161n\u00e9: krom\u011b drobn\u00fdch rozd\u00edl\u016f je zde v\u0161e stejn\u00e9 jako v p\u0159edchoz\u00edm p\u0159ehledu.<\/p>\n<p>Za prv\u00e9, na vstupu se objevil testovac\u00ed odvod. Ten je pot\u0159ebn\u00fd pro kontrolu sign\u00e1lu bez odpojen\u00ed kabelu od vstupu zesilova\u010de a t\u00edm p\u00e1dem bez p\u0159eru\u0161en\u00ed vys\u00edl\u00e1n\u00ed.<\/p>\n<p>Za prv\u00e9, nov\u00e9 diplexn\u00ed filtry, stejn\u011b jako atenu\u00e1tor a ekvaliz\u00e9r v\u00fdstupu, jsou nezbytn\u00e9 pro nastaven\u00ed kan\u00e1l\u016f p\u0159enosu DOCSIS. Proto v r\u00e1mci tohoto \u010dl\u00e1nku \u0159\u00edk\u00e1m pouze to, \u017ee filtry blokuj\u00ed frekvence, kter\u00e9 na nich jsou uvedeny, a to m\u016f\u017ee b\u00fdt probl\u00e9m, pokud na t\u011bchto frekvenc\u00edch vys\u00edlaj\u00ed televizn\u00ed kan\u00e1ly. Na\u0161t\u011bst\u00ed v\u00fdrobce je vyr\u00e1b\u00ed s r\u016fzn\u00fdmi hodnotami a v p\u0159\u00edpad\u011b pot\u0159eby jejich v\u00fdm\u011bna nen\u00ed obt\u00ed\u017en\u00e1.<br \/>\n<img decoding=\"async\" alt=\"S\u00ed\u0165 kabelov\u00e9 televize pro nejmen\u0161\u00ed. \u010c\u00e1st 6: Zesilova\u010de RF sign\u00e1lu\" src=\"\/wp-content\/uploads\/2019\/05\/0a1001ad14d9c4ddb09fe80b8cb2548f.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nOvlada\u010de (stejn\u011b jako jumper, kter\u00fd zp\u016fsobuje \u00fatlum 10 dB) ovliv\u0148uj\u00ed v\u00fdhradn\u011b zp\u011btn\u00fd kan\u00e1l a nijak nemohou zm\u011bnit televizn\u00ed sign\u00e1l.<\/p>\n<p>Zb\u00fdvaj\u00edc\u00ed t\u0159i jump\u00e9ry n\u00e1s seznamuj\u00ed s technologi\u00ed, jako je <b>vzd\u00e1len\u00e9 nap\u00e1jen\u00ed.<\/b>.<\/p>\n<p>P\u0159i navrhov\u00e1n\u00ed dom\u016f jsou \u010dasto zesilova\u010de um\u00edst\u011bny na m\u00edstech, kde mohou b\u00fdt probl\u00e9my s p\u0159\u00edvodem elektrick\u00e9 energie z rozvodn\u00fdch sk\u0159\u00edn\u00ed. Nav\u00edc ka\u017ed\u00fd p\u00e1r \u201ez\u00e1str\u010dka-socket\u201c, kter\u00fd zahrnuje tak\u00e9 automatick\u00fd vyp\u00edna\u010d (kter\u00fd m\u016f\u017ee b\u00fdt um\u00edst\u011bn na nejneo\u010dek\u00e1van\u011bj\u0161\u00edm m\u00edst\u011b), p\u0159edstavuje potenci\u00e1ln\u00ed m\u00edsto selh\u00e1n\u00ed. V t\u00e9to souvislosti existuje mo\u017enost nap\u00e1jet za\u0159\u00edzen\u00ed p\u0159\u00edmo p\u0159es koaxi\u00e1ln\u00ed kabel. A jak ukazuje ozna\u010den\u00ed na krytu nap\u00e1jec\u00edho bloku, m\u016f\u017ee to b\u00fdt jak st\u0159\u00eddav\u00fd, tak stejnosm\u011brn\u00fd proud s velmi \u0161irok\u00fdm rozsahem nap\u011bt\u00ed. Tyto t\u0159i jump\u00e9ry tedy umo\u017e\u0148uj\u00ed pr\u016ftok nap\u00e1jec\u00edho proudu na vstup a tak\u00e9 na ka\u017ed\u00fd ze dvou v\u00fdstup\u016f jednotliv\u011b, pokud pot\u0159ebujeme nap\u00e1jet dal\u0161\u00ed zesilova\u010d v kask\u00e1d\u011b. P\u0159i zapnut\u00ed stojanu s u\u017eivateli samoz\u0159ejm\u011b nesm\u00ed b\u00fdt nap\u011bt\u00ed na v\u00fdstupu zapnuto!<\/p>\n<p>O tom jsem ji\u017e zm\u00ednil v <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/450278\/\">p\u0159edchoz\u00ed \u010d\u00e1sti, \u017ee v takov\u00e9m syst\u00e9mu se pou\u017e\u00edvaj\u00ed speci\u00e1ln\u00ed hlavn\u00ed odbo\u010dova\u010de:<\/a><\/noindex> Ty pou\u017e\u00edvaj\u00ed v\u011bt\u0161\u00ed a spolehliv\u011bj\u0161\u00ed prvky, a masivn\u00ed sk\u0159\u00ed\u0148 zaji\u0161\u0165uje odvod tepla a ochranu.<\/p>\n<p><img decoding=\"async\" alt=\"S\u00ed\u0165 kabelov\u00e9 televize pro nejmen\u0161\u00ed. \u010c\u00e1st 6: Zesilova\u010de RF sign\u00e1lu\" src=\"\/wp-content\/uploads\/2019\/05\/55ec9e0e4779d8e9f7a0e055e469ffda.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"S\u00ed\u0165 kabelov\u00e9 televize pro nejmen\u0161\u00ed. \u010c\u00e1st 6: Zesilova\u010de RF sign\u00e1lu\" src=\"\/wp-content\/uploads\/2019\/05\/ff4ea47c231ed19a57b6033992cb4029.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nZdrojem nap\u00e1jen\u00ed v takov\u00e9m p\u0159\u00edpad\u011b je blok s vestav\u011bn\u00fdm masivn\u00edm transform\u00e1torem:<\/p>\n<p>Zdrojem nap\u00e1jen\u00ed je v takov\u00e9m p\u0159\u00edpad\u011b blok se zabudovan\u00fdm masivn\u00edm transform\u00e1torem:<br \/>\n<img decoding=\"async\" alt=\"S\u00ed\u0165 kabelov\u00e9 televize pro nejmen\u0161\u00ed. \u010c\u00e1st 6: Zesilova\u010de RF sign\u00e1lu\" src=\"\/wp-content\/uploads\/2019\/05\/7df95edc73042c88fc3b7efbeb11159a.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nJe t\u0159eba \u0159\u00edci, \u017ee p\u0159i zd\u00e1nliv\u00e9 optimalit\u011b sch\u00e9matu d\u00e1lkov\u00e9ho nap\u00e1jen\u00ed, zesilova\u010de pracuj\u00edc\u00ed t\u00edmto zp\u016fsobem \u010dast\u011bji p\u0159e\u017e\u00edvaj\u00ed v\u00fdpadky nap\u00e1jen\u00ed bez n\u00e1sledk\u016f. P\u0159i jejich v\u00fdm\u011bn\u011b mus\u00ed technici nav\u00edc hledat a odpojovat nap\u00e1jen\u00ed samotn\u00e9ho bloku, aby nemuseli pracovat s kabely pod nap\u011bt\u00edm. Tak se b\u011bhem v\u00fdm\u011bny jednoho zesilova\u010de bez sign\u00e1lu cel\u00fd d\u016fm ocit\u00e1 bez sign\u00e1lu. Z t\u00e9ho\u017e d\u016fvodu je u t\u011bchto zesilova\u010d\u016f nezbytn\u00e9 m\u00edt testovac\u00ed odvod na vstupu: jinak by bylo nutn\u00e9 pracovat s kabelem pod proudem.<\/p>\n<p>Bylo by zaj\u00edmav\u00e9 v\u011bd\u011bt od koleg\u016f, jak roz\u0161\u00ed\u0159en\u00e9 jsou syst\u00e9my s d\u00e1lkov\u00fdm nap\u00e1jen\u00edm, napi\u0161te pros\u00edm do koment\u00e1\u0159\u016f, pokud je pou\u017e\u00edv\u00e1te.<\/p>\n<p>Pokud je pot\u0159eba p\u0159ipojit velk\u00e9 mno\u017estv\u00ed televizor\u016f uvnit\u0159 bytu nebo kancel\u00e1\u0159e, m\u016f\u017eete se setkat s nedostate\u010dn\u00fdm sign\u00e1lem po \u0159et\u011bzci rozd\u011blova\u010d\u016f. V takov\u00e9m p\u0159\u00edpad\u011b je nutn\u00e9 nainstalovat zesilova\u010d na \u00fazem\u00ed u\u017eivatele, k \u010demu\u017e se pou\u017e\u00edvaj\u00ed mal\u00e9 p\u0159\u00edstroje s minim\u00e1ln\u00edm po\u010dtem nastaven\u00ed a ni\u017e\u0161\u00edmi \u00farovn\u011bmi zes\u00edlen\u00ed. <br \/>\nNap\u0159\u00edklad takto:<br \/>\n<img decoding=\"async\" alt=\"S\u00ed\u0165 kabelov\u00e9 televize pro nejmen\u0161\u00ed. \u010c\u00e1st 6: Zesilova\u010de RF sign\u00e1lu\" src=\"\/wp-content\/uploads\/2019\/05\/a0cca80a889e1a54602fefdceaf09126.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/450452\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u0443\u0441\u0438\u043b\u0438\u0442\u0435\u043b\u0438 \u0432\u044b\u0441\u043e\u043a\u043e\u0447\u0430\u0441\u0442\u043e\u0442\u043d\u043e\u0433\u043e \u0440\u0430\u0434\u0438\u043e\u0441\u0438\u0433\u043d\u0430\u043b\u0430 \u043a\u0430\u0431\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0442\u0435\u043b\u0435\u0432\u0438\u0434\u0435\u043d\u0438\u044f \u043d\u0430 \u043a\u043e\u0430\u043a\u0441\u0438\u0430\u043b\u044c\u043d\u043e\u0439 \u0447\u0430\u0441\u0442\u0438 \u043c\u0430\u0433\u0438\u0441\u0442\u0440\u0430\u043b\u0438. \u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435 \u0441\u0435\u0440\u0438\u0438 \u0441\u0442\u0430\u0442\u0435\u0439 \u0427\u0430\u0441\u0442\u044c 1: \u041e\u0431\u0449\u0430\u044f \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0430 \u0441\u0435\u0442\u0438 \u041a\u0422\u0412 \u0427\u0430\u0441\u0442\u044c 2: \u0421\u043e\u0441\u0442\u0430\u0432 \u0438 \u0444\u043e\u0440\u043c\u0430 \u0441\u0438\u0433\u043d\u0430\u043b\u0430 \u0427\u0430\u0441\u0442\u044c 3: \u0410\u043d\u0430\u043b\u043e\u0433\u043e\u0432\u0430\u044f \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0430\u044f \u0441\u0438\u0433\u043d\u0430\u043b\u0430 \u0427\u0430\u0441\u0442\u044c 4: \u0426\u0438\u0444\u0440\u043e\u0432\u0430\u044f \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0430\u044f \u0441\u0438\u0433\u043d\u0430\u043b\u0430 \u0427\u0430\u0441\u0442\u044c 5: \u041a\u043e\u0430\u043a\u0441\u0438\u0430\u043b\u044c\u043d\u0430\u044f \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u0430\u044f \u0441\u0435\u0442\u044c \u0427\u0430\u0441\u0442\u044c 6: \u0423\u0441\u0438\u043b\u0438\u0442\u0435\u043b\u0438 RF-\u0441\u0438\u0433\u043d\u0430\u043b\u0430 \u0427\u0430\u0441\u0442\u044c 7: \u041e\u043f\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u043f\u0440\u0438\u0451\u043c\u043d\u0438\u043a\u0438 \u0427\u0430\u0441\u0442\u044c 8: \u041e\u043f\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043c\u0430\u0433\u0438\u0441\u0442\u0440\u0430\u043b\u044c\u043d\u0430\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":26062,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-34586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/seti-kabelnogo-televideniya-dlya-samyh-malenkih-chast-6-usiliteli-rf-signala\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 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