Mini USB FM Radio DVB-T RTL2832 + FC0012 SDR Digital Receiver Stick with Remote Control

Mini USB FM Radio DVB-T RTL2832 + FC0012 SDR Digital Receiver Stick with Remote Control

banggood Module Board

0.00$
15.99$
Features Sticks with this combinationRTL2832 FC0012are relatively new on the marketThe main difference to all the other supported tuners so far is that it uses a Low IF3 57 MHzarchitecture instead of Zero IFThat means the tuner is only connected to the In Phase ADC inputand the internal down converter of the RTL2832 is generating the complex samplesThis has the advantage of having no DCoffset spike in the middle of the spectrum So far the tuner driver comes straight from the kernel driver that Realtek suppliesand setting gain manually is not supported yetalthough functions for that seem to exist There is still is a lot that needs to be donethe best thing most likely would be to completely rewrite the driveror at least clean it up dramaticallyInitializing the tuner takes way too long at the momentsince the driver produces a lot of I2C trafficmost of it being redundant as it seems The driver originally had a frequency limitation of 40 MHz to 900 MHzbut tests showed that the PLL of my stick can achieve lock up to 1766MHzand indeed both ADS B at 1090 MHz and L Band DAB at 1463 MHzas well as GMR at 1556 MHz can be received just fine with the R820T Alsothe PLL could lock again at 1850 MHz to 1860 MHzand the reception of a GSM 1800 BTS at 1854 MHz worked as well Some initial comparisons1between the E4000 and R820T seem to hint at the R820T being a bit more sensitiveespecially visible in the Tetra screenshots Given that the supply of E4