RTL-SDR Blog V3 Datasheet
ferrite chokes on the PCB power lines, and uses a lower noise LDO. HF direct sampling circuit, diplexed out from the SMA connector The idea behind direct sampling mode is that an antenna can be connected directly to the ADC pins of the RTL2832U, and this can enable HF reception. This is useful because the R820T/2 tuner can only tune
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