Changes

[[File:SysTUT3 35SysTUT7 14.png|thumb|550px|The property dialog of the AM-Modulated Source.]]

[[File:SysTUT3 34SysTUT7 14.png|thumb|750px|The schematic of the QAM Demodulator circuit.]]

[[File:SysTUT3 36SysTUT7 15.png|thumb|720px|The graph of the analog input voltage (yellow), output of the QAM block v(4), output of the peak detector v(7) and the digital output of the QAM Demodulator circuit.]]</td></tr></table><table><tr><td>[[File:SysTUT7 16.png|thumb|720px|The graph of the analog input voltage (yellow), output of the QAM block v(4), output of the peak detector v(7) and the digital output of the QAM Demodulator circuit.]]</td></tr></table><table><tr><td>[[File:SysTUT7 17.png|thumb|720px|The graph of the analog input voltage (yellow), output of the QAM block v(4), output of the peak detector v(7) and the digital output of the QAM Demodulator circuit.]]