Decibelometer scale

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zvartoshu
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Decibelometer scale

Мнениеот zvartoshu » 15 Ное 2009, 13:46

Open this topic to explain decibelometer scale .Decibelometer
This kit is added in receiver from explain raport noise in reception .
Scale displayed start to 0dB at minim , and maxim 76dB in european value , 80dB to general scale , 100dB to global / comunication module .

Simple schematic modules , LA1140 have a pin to exit a value SNR from recepion . exemple continue , Tda4210 have a exit pin to measure vcalue SNR to reception in module FM with TDA1574/1575
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garfield
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Re: Decibelometer scale

Мнениеот garfield » 25 Яну 2010, 15:49

Zvartoshu , today TV7 started broadcasting in Rousse to 59 channel UHF . Are getting mixed signals with tv party If you have observations . 10x .

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