![]() ![]() ![]() There, in the computer, a specific software takes this signal and carries out the demodulation task. ![]() They use a tuner and an A/D (analog to digital) converter, which samples the output signal of the tuner, converts it to digital and sends it to the computer via the USB port. It seems that USB DVB-T dongles work according to the same principle with which specific SDR USB dongles (the FUNcube Dongle being the only example) work. It is an ezcap ezTV645 DVB-T USB dongle and yes, you’ve read well, it is nothing more than… an USB dongle normally used to watch DVB-T TV broadcasts (DVB-T is an European standard for digital TV) in a computer!!! This highly performing device (specially when one considers its price) is my very first SDR (Software Defined Radio) receiver and has allowed me to have my very first succesful experiences in the SDR world! This summer I’ve been enjoying a new receiver which has terribly cheaply (for just 16.82€, or $19.20!!!!) joined the rest of my radio material. ![]()
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