Differential Phase Shift Keying Modulation And Demodulation Trainer is an SSI India product in the Communication Trainer category. Key specifications include SKU: PCT-E524. Sine waveform:10KHz.-20KHz. With Variable Amplitude of 5Vp-p using Ic2206. of using IC 7490 Power Supply. Fixed DC Power Supplies +12V,+5V DC, 250mA. Operated on Mains power 230V,