Solve 5 please Exercise 1An NPN transistor is used in the amplifier circuit of figure 1. The characteristicIß = f (Vbe) is assimilated to the line Vbe = cst = 0.7V. The characteristic Ic = 9(IB, Vce) areassimilated to parallel lines such as lc = 100IB.1. Plot the network of characteristics for: Iß = {0; 0.5; 10; 15; 20} µA.2. Plot the load line for Ec = 20 V and R₁ = 10k and on the same graphic plot thecorresponding transfer characteristic.3. Find the operating point Po characterized by IBO,Ico and VCEO when Eß = 2V and RB = 100kn.4. When EB varies from ±0.1V around 2 V findgraphically and analytically the amplitude ofvariations Alß, Alc, AVce of Ib, Ic and Vce. Deduce thevoltage gain: AvWhat does the fact that the=AV CEДЕВЕв'Figure 1BwwRBVBECERLgain is negative ?5. Keeping the same load line, how should youchoose the operating point P'o so that themaximum positive and negative variations around this point are identical? What shouldbe the value of the resistance RÂ, Eß remaining equal to 2 V? Deduce the new value of thegain Av.6. Calculate the power PALO supplied by the source Ec, the power PLO dissipated in the loadand the power Pro, dissipated in the transistor when the operating point is P'o. Calculatethe same power when the voltage EB is of the form: E = EBO + EBM COS wt. Ego being equalto 2 V and EBM corresponding to the maximum possible variation determined in question5. What can we deduce from this?

According to the question, for the given circuit as shown below

An NPN transistor is used in the amplifier circuit of figure 1. The characteristic IB = f(VBE) is assimilated to the line VBE = cst = 0.7V. The characteristic Ic = 9(IB, VCE) are assimilated to parallel lines such as I = 100IB. 1. Plot the network of characteristics for: IB = {0; 0.5; 10; 15; 20} μA. 2. Plot the load line for Ec = 20 V and R₁ = 10k and on the same graphic plot the corresponding transfer characteristic. Ic 3. Find the operating point Po characterized by IBO, Ico and VCEO when EB = 2V and RB = 100kn. 4. When Eg varies from 10.1V around 2 V find graphically and analytically the amplitude of variations AlB, AIC, AVCE of IB, Ic and VCE. Deduce the voltage gain: Av What does the fact that the AV CE ΔΕΒ - EB Figure 1 ww RB DINCE PL VBE gain is negative ? 5. Keeping the same load line, how should you choose the operating point P'o so that the maximum positive and negative variations around this point are identical? What should 12 Doduco + ho thou