mine the the circuit of Fig. (1) in the ON state. (20 Marks] For the circuit shown in Fig. (2), determine the low cut-off frequencies FLS, FLC, and FLE. Assume that the beta value of the BJT transistor (B) is 120. [20 Marks] For the circuit shown in Fig. (3), determine VG, VGSQ, IDQ, VD, Vs, Vos, and VDG. [20 Marks] 20 V 18 V- $4kQ די $2.5kQ $80kQ 2.1MQ loss-8 mA Vp -4 V 5000 1μF VV2-15 V 1.5kQ Izm = 60 mA 10µF ΣΤΟΚΩ Vi 20ΚΩ 260kQ 2KQ 50μF $2k0 + Fig. (1) Fig. (2) Fig. (3) 04 For the circuit shown in Fig. (4), identify the type of the feedback and determine the gain without feedback (A), the feedback value (B), the gain with feedback (Af), and the voltage gain (Avf). Assume that the beta value of the BJT transistor (B) is 100. [20 Marks] 03 For the circuit shown in Fig. (5), determine the exact value of the total voltage gain (Avt). Assume that the beta value of the BJT transistor (B) is 100. [20 Marks] 0-6 For the circuit shown in Fig. (6), if Vs(t) = 375 x 10-3 +0.1 sin 12560t+ 0.3 cos 18840t, determine the voltage expression across the 15 kQ resistor. 20 V 12 V Ne Ve 250kQ 8=100 → w 10kQ ww 25KQ Vs Vo w 80kQ 9V loss = 8 mA Vp = -6 V 20kQ 20 [20 Marks] + w 50kQ W 15kQ 12V VE Vi 3KQ 3KQ 5600 =9V -20V I 12V 4 60kQ 40ΚΩ | 20ΚΩ www 20ΚΩ ww Flip (4 Fig. (5) Fig. (6) Lecturer Mohammed H. Ibrahi Signature: اللجنة الامتحانية Lecturer Ahmed M. Sana Signature: Head of Dept. Yaseen kh. Yaseen Signature: