[hpsdr] AngeliaLite project

Helmut Oeller dc6ny at gmx.de
Sat Feb 15 11:00:28 PST 2020


Hi Oleg,

thanks for the quick answer. Yes, of course undersampling is possible, but
USB/LSB inversion has to be considered. Another drawback is the reduced
dynamic range in the 2. Nyquist zone and that's important, because on 50 MHz
a substantial preamplification in front of a 14 Bit ADC is essential to
achieve a reasonable noise figure of the system. But all these details have
not to be discussed here, hi.

73, Helmut, DC6NY






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