Design of multifunctional modem based on VHDL
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Modem is in the transmitter by modulation and converts the digital signal into an analog signal, and through it at the receiver demodulation of a device that converts analog signals to digital signals. The program written in VHDL language, implements binary amplitude shift keying (2ASK) modulation and demodulation; binary frequency shift keying (2FSK) modulation and the demodulation, the binary phase-shift keying (2PSK) the modulation and the demodulation process.