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Snow
02-07-10, 15:27
Avand cateva lnb-uri in preajma si fiind in concediu m-am gandit sa fac o mica comparatie intre ele. Un mic test, folosind antena de la geam Triax-ul BSKYB pozitionata pe 16 est si receptorul vu+ duo (http://www.sateliti.info/showthread.php?t=18735).

Initial aveam un lnb digiline de 0.2 db care imi dadea semnal de 28% pe 11658/H/27900, respectiv 43% pe 11556/V/29950.

http://img215.imageshack.us/img215/8725/66173297.jpg (http://img215.imageshack.us/i/66173297.jpg/)

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Cele trei lnb-uri supuse la tes au fost: hirschmann cs 300 s, inverto single black ultra si inverto single eco.

http://img716.imageshack.us/img716/7515/70347805.jpg (http://img716.imageshack.us/i/70347805.jpg/)

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http://img704.imageshack.us/img704/7193/50835341.jpg (http://img704.imageshack.us/i/50835341.jpg/)

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Primul lnb testat a fost Hirschmann CS 300 S (http://shop.catec.ro/receptie-satelit/convertoare-lnb/cs-300-s.html) cu un factor de zgomot de 0.3 db. Valorile de semnal indicate au fost: 33% cu 48%.


http://img269.imageshack.us/img269/1614/96427883.jpg (http://img269.imageshack.us/i/96427883.jpg/)

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http://img293.imageshack.us/img293/3264/68744678.jpg (http://img293.imageshack.us/i/68744678.jpg/)

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Al doilea fiind deja cunoscutul Inverto single Black Ultra (http://www.digitalsatelit.ro/lnb-inverto-single-black-ultra.html) de 0.2 db. Valorile obtinute au fost de 34% cu 47%

http://img203.imageshack.us/img203/3365/7bus.jpg (http://img203.imageshack.us/i/7bus.jpg/)

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http://img408.imageshack.us/img408/4271/8bun.jpg (http://img408.imageshack.us/i/8bun.jpg/)

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Ultimul lnb testat este un lnb nou intrat pe piata ce se lauda cu un consum foarte scazut de consum. Factorul de zgomot al lui Inverto single Eco (http://www.digitalsatelit.ro/lnb-single-eco.html) fiind de 0.1 db. Mai multe date despre el gasiti aici (http://www.inverto.tv/products/product.php?id=170&typ=2&PHPSESSID=ec39486d540b45b36e5968e0ac061355)
Valorile obtinue cu acest lnb au fost de 35% cu 56%. Am ramas placut impresionat de "micutul" acesta.

http://img714.imageshack.us/img714/3971/11iev.jpg (http://img714.imageshack.us/i/11iev.jpg/)
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http://img682.imageshack.us/img682/5894/10ie.jpg (http://img682.imageshack.us/i/10ie.jpg/)

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trid_ovi
01-08-10, 18:14
Foarte interesante rezultatele obtinute.
Eram curios daca ai mai facut testul asta intre timp si pe alti transponderi eventual alti sateliti. Ma bate gandul sa inlocuiesc Lnb Invacom cel am cu un Inverto Eco 0.1dB , dar din pacate e destul de nou si nu am gasit pe nicaieri teste comparative cu el.

Snow
04-08-10, 22:04
Acum l-am vazut postul. http://www.sateliti.info/showthread.php?t=7006 e de citit.
Nu l-am testat personal comparativ cu un invacom, insa un cunoscut si-a inlocuit invacomul cu acest lnb si era multumit. Repet, personal n-am testat.