The 2GH SA I build uses the cheap AD88307/AD603 combination for up to 120dB range at 10.7MHz and a bandwidth of 300kHz
It proves to be difficult to build a RF/IF chain without AGC and a bandwidth of 300kHz that has a better? dynamic range.
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HBTE Files section:?
/g/HBTE/filesErik, PD0EK