Bandwith will be increased. Exactly following this formulae:klug said:Question about your second proposed method by adding pseudo-aleatory code. Will spectrum band be the same after scrambling? Is any additional information about this scrambling?
Personally, I have always used a DSP for signal processing. I agreeASIC said:How can you get enough mips out of a PIC to do FIR filtering? To the best of my knowledge, it doesn't have a hardware (signed) multiplier?