freq = 10khz
freq =20khz
freq = 25khz
freq = 30khz
freq = 35khz
i would suggest you to copy these images and open separately so you can zoom it and have better analysis of these waveforms.
Int. to Comm. Systems PAM Modulation PAM Demodulation LD Moduloting Demodulated C1 freq= 1K c= 100n...