RTL-SDR as a down-converter?

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hotpaw2
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RTL-SDR as a down-converter?

Post by hotpaw2 » Thu Feb 04, 2021 5:18 am

Has any one tapped the output of the R820T2 to use an RTL-SDR as a downconverter from VHF or UHF to HF? That way one could use an HF-only receiver or direct-sampling SDR to receive higher frequencies than the receiver supports. For instance, one could use an HF SDR with a 16-bit ADC instead of using the 8-bit R2832 for UHF receive. Which pin or pad on the RTL-SDR PCB should be tapped to try this?


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