An encoder is a digital function that produces a reverse operation from that a decoder. An encoder has 2n (or less) input limes and n output lines. The output lines generate the binary code for the 2n input variables.
Hexadecimal No |
F3 |
F2 |
F1 |
F0 |
A |
1 |
0 |
1 |
0 |
B |
1 |
0 |
1 |
1 |
C |
1 |
1 |
0 |
0 |
D |
1 |
1 |
0 |
1 |
E |
1 |
1 |
1 |
0 |
F |
1 |
1 |
1 |
1 |
F0 = ∑(B, D, F)
F1 = ∑(A, B, E, F)
F2 = ∑(C, D, E, F)
F3 = ∑(A, B, C, D, E, F)
In telephone network, multiple audio signals are integrated on a single line for transmission with the help of multiplexers.