[digitalradio] Dev: Real to I/Q

2007-10-15 Thread Rud Merriam
How do I change from a real signal to quadrature? I know I have read how to do this but cannot find a reference that goes beyond multiplying by cos/sin to get I/Q. I seem to recall a trick with alternating sign sequence of 1's. I actually implemented the cos/sin technique but get 0s in

Re: [digitalradio] Dev: Real to I/Q

2007-10-15 Thread John B. Stephensen
as all the odd taps are zero in one channel and all the even taps are 0 in the other. 73, John KD6OZH - Original Message - From: Rud Merriam To: digitalradio@yahoogroups.com Sent: Monday, October 15, 2007 22:04 UTC Subject: [digitalradio] Dev: Real to I/Q How do I change