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FAQ:
Q: What is R820T Rafael Micro?
A: R820T Rafael Micro. In heritage from Rafael Micro’s state-of-the-art architecture, the R820T digital silicon tuner achieves the lowest power consumption and the smallest font factor. R820T offers unmatchable RF performance for all digital broadcast television standards including DVB-T, ATSC, DMB-T, ISDB-T,.
Q: What is r820t2?
A: The R820T2 is a highly integrated silicon tuner that builds in low noise amplifier (LNA), mixer, fractional PLL, VGA, voltage regulator and tracking filter, eliminating the need for external SAW filters, LNA, balun, and LDO. Thanks the LNA architecture, R820T offers the lowest cost and high performance solution for digital TV application.
Q: How to fix the r820t2 SDR chip?
A: A fix may be to apply a blob of solder to the vias underneath the R820T chip, and then attach a heatsink. The problem also does not occur on the Airspy, a higher performance SDR that also uses the R820T2 chip in its design.
Q: Is the airspy r820t2 still in production?
A: UPDATE (May/2018): The Airspy team have managed to acquire a new batch of good R820T2 chips, so production of the R820T2 based Airspies can continue as per usual.