Dec 11, 2003 #1 C cqmyg5 Advanced Member level 4 Joined Oct 21, 2003 Messages 118 Helped 3 Reputation 6 Reaction score 2 Trophy points 1,298 Activity points 963 complex filter from lpf why Complex Filter use I and Q input??? what is the difference between complex filter and common LPF??? :?:
complex filter from lpf why Complex Filter use I and Q input??? what is the difference between complex filter and common LPF??? :?:
Dec 12, 2003 #2 B brmadhukar Advanced Member level 3 Joined Jun 21, 2002 Messages 839 Helped 42 Reputation 84 Reaction score 11 Trophy points 1,298 Location India Activity points 6,783 The total noise at baseband is sum of noise at "POSITIVE" and "NEGATIVE" frequencies. If you work at baseband there is no way of separating these. By I and Q sampling you will be able reduce the effects.
The total noise at baseband is sum of noise at "POSITIVE" and "NEGATIVE" frequencies. If you work at baseband there is no way of separating these. By I and Q sampling you will be able reduce the effects.