3 ms·
The significant spike at DC is an inherent issue with Direct conversion receivers, driven by circuit level DC offsets and IP2 contributions. Offset tuning works
by rfdave 8y ago
The 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)