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Hi, I am having a weird problem with a passband QPSK simulation I am working on. I just need the modulated output for further pprocessing and dont want the demodulation in my simulation. When I just use the M-PSK modulator the transmitted output is like a square wave. When there is a M-PSK demodulator in my simulation then the modulated output(from M-PSK modulator) observed in my scope looks as it should.Is this a bug in simulink? Did anyone come across this before? Thank you. jay |