- #1
ToonBlue
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Homework Statement
I want to design a circuit that is able to differentiate an sms signal and also a telephone signal. What I mean is the telephone signal is when someone calls you.
Example , when someone sms you , your circuit will detect the sms signal and LED 1 will light up (use to indicate the signal) or when someone is calling you , your circuit will detect the telephone signal , LED 2 will light up
Homework Equations
The Attempt at a Solution
Can anyone give me some hints on where I can go about?