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ASK , PSK and FSK

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How many amplitude/phase/frequency values do you need for the ASK/PSK/FSK modulation? If it's just two then the circuit can be simple. More than two will need a more complex circuit.
Are you looking for a modulator circuit or a demodulator?
 
just to show the data that was sent in the modulation and the how would the data be received in the demodulation
 
How many amplitude/phase/frequency values do you need for the ASK/PSK/FSK modulation? If it's just two then the circuit can be simple. More than two will need a more complex circuit.
Are you looking for a modulator circuit or a demodulator?

just two ( simple circuit )
 
Okay. So what is the source of the modulating signal? A micro? A Push-button? .....?
What will your demodulator do? Light a LED? Beep? .....?
What is the transmission medium between modulator and demodulator?
 
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