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Altera_Forum
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11 years ago

Inphase (I) and Quadrature (Q) components of signals

Hi All, How to calculate the Inphase (I) and Quadrature (Q) components of signals, such as RF signals? I would like to shift the RF signals to a specific baseband frequency and then derive the ...
Altera_Forum's avatar
Altera_Forum
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11 years ago

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Thanks for the quick reply!

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adding to Dave's response:

If your input is real only, the frequency of mixing can be positive or negative. You get one sideband on zero, the other need filter.

For Fs/2 case I don't see how you can get sin/cos. You only get real frequency.