1:14:23
**UNIT 1.2**

Signal Transmission Through LTI System: Signal Transmission Through LTI System, Classification of systems, Example of Linear & Non linear systems, Example 2 Linear & non linear, Time invariant (TIV) and Time variant(TV), Problem for TIV & TV, Causal and non - causal, Stable and unstable systems Part - 1, Stable and unstable systems Part - 2, Problem for stable and unstable systems, Method to check for stability of a system, Impulse Response, LTI System, Transfer function of an LTI System part 1, Transfer function of an LTI System part 2, Filter characteristics of linear system, Distortionless Transmission, Signal Bandwidth & System Bandwidth, Ideal Filter Characteristics, Ideal LPF, Causality and Paley-Wiener criterion for physical realization, Problems on transfer function, Relationship between Bandwidth and Risetime, Convolution & problem