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reading materials/ tutorials/ books etc to understand I and Q signals

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tomjohn

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Hi Gurus

Can anybody suggest any reading material (tutorial/ book etc) where I can get info on I Q signal

regards
 

Hi TomJohn,

Inphase and Quadrature components of a passband signal, s(t)=A*cos[2*pi*fc*t+theta(t)] is

I(t)+jQ(t)=A*cos(theta(t))+j*A*sin(theta(t))
as
s(t)=I(t)cos(2*pi*fc*t)-Q(t)sin(2*pi*fc*t).
 

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