engineering recuitment GATE ECE 2023-24 Test Series Communication Systems Pulse Modulation Delta Modulation (DM)
Consider a test signal m(t) defined by a hyperbolic tangent function m(t) = A tanh(βt), Where A and B are constant. Determine the minimum step side Δ for delta modulation of this signal which is required to avoid slope overload:
1
Δ ≥ Aβ Ts
2
Δ ≤ Aβ Ts
3
AΔ ≤ β Ts
4
βΔ ≥ A Ts