Bode diagram of a First order System For a first order system the ar and phase angle can be determined as follows G(S) GGo 1+)0 GaindB=20 log 1+7ol 1-7)1-7c 1+⑦)o1+7o1-7o1+T 1+ta jo 1(1+702) VI+T Gaind= 20 log 1+to Gains 20log√1+7 ∠=tan-oT 2022-2-3 92022-2-3 9 Bode Diagram of a First Order System ¨ For a first order system the AR and phase angle can be determined as follows:   G s Ts G j Tj Gain Tj Tj Tj Tj Tj Tj T Tj T T T Gain T Gain T T dB dB dB ( ) ( ) log * log log tan                                    1 1 1 1 20 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 20 1 1 20 1 2 2 2 2 2 2 2 2 2 2 2 2 2 1 w w w w w w w w w w w w w w w w