RTL-SDR: Block Diagram and Information

The figure below shows my "best estimate" at a functional block diagram of the RTL-SDR. The information to create this block diagram was cobbled together from various online sources and the R820T tuner data sheet itself.

Block diagram (Click to enlarge)

Links and downloads

• Cheap and Easy SDR: Good overview and history of using DVB-T dongles for SDR.
• Some Measurements on DVB-T Dongles with E4000 and R 820T Tuners: : Image Rejection, Internal Signals, Sensitivity, Ove rload, 1dB Compression, Intermodulation.
• Lots of information on RTL-SDR and GNU Radio with Realtek RTL2832U from http://superkuh.com/