17 18 R11 = R12 = RC = RE = 64 28 1.5 1.2 ΚΩ ΚΩ ΚΩ ko 19 150 51 52 53 54 155 1156 R11 RC 157 Vout H: Voc 15V 25092 HH RL

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17 18 R11 = R12 = RC = RE = 64 28 1.5 1.2 ΚΩ ΚΩ ΚΩ ko 19 150 51 52 53 54 155 1156 R11 RC 157 Vout H: Voc 15V 25092 HH RLOAD 158 159 160 161 162 163 164 165 166 167 168 169 1 ΚΩ R12 НЕ RE V traction

169 170 Figure Q.B5 171 172 (b) Sketch the small signal equivalent circuit for the circuit shown in Figure Q.B5. 173 Use this to calculate the voltage gain Ay and the current gain Al, given that the transistor has 174 properties: ha = 2.0 ko and hea = 200 [14 marks)