3 ms·
True, although the cheaper ones have a pretty significant spike at DC and you end up using a tuning offset and IF in software instead. Not the case across the b
by tonyarkles 8y ago
True, although the cheaper ones have a pretty significant spike at DC and you end up using a tuning offset and IF in software instead. Not the case across the board, but pretty common.
- rfdave 8y agoThe significant spike at DC is an inherent issue with Direct conversion receivers, driven by circuit level DC offsets and IP2 contributions. Offset tuning works, but you're stuck with sucky image rejection (30 to 40 dB at best)