The DC biasing circuit of a BJT amplifier circuit is shown in Fig. Q7. The BJT Qi has ẞ = 75 and the collector voltage is required to be Vc = 7 V. IA= VDD = 10 V R₁ = Vin 20 μA 4 ΚΩ Q₁ Cin Vout R3 = R₂ = 17.5 ΚΩ 640 ΚΩ Fig. Q7 Assuming the Early effect is negligible, calculate the base, collector, and emitter currents of the BJT Q₁. Calculate the voltages at the base and emitter terminals of the BJT Q and show whether the BJT Qi is working in the desired operation mode. Assuming the Early effect is negligible, calculate the small signal parameters gm, 1x and ro of the BJT Q1.

The DC biasing circuit of a BJT amplifier circuit is shown in Fig. Q7. The BJT Qi has ß = 75 and the collector voltage is required to be Vc = 7 V. IA= 20 μA↓ VDD = 10 V R₁₁ = 4 ΚΩ Cin Vin R₂ = 640 ΚΩ Fig. Q7 Vout R3 = 17.5 ΚΩ (a) What mode of operation should the BJT Q₁ be in for the circuit to work as an amplifier? (b) Assuming the Early effect is negligible, calculate the base, collector, and emitter currents of the BJT Q₁. (c) Calculate the voltages at the base and emitter terminals of the BJT Q and show whether the BJT Qi is working in the desired operation mode.

Please solve with steps

For the BJT amplifier below, VCEQ = 6.75 V, IEQ= 2.51mA, VRC = 6.74 V, Vcc = 16V, B of the Si transistor is 160 and ro = infinity. +Vcc VRC: Rc C2 VCE V o The base resistor, RB is equivalent to resistors. Q using commercially available 910K 820K 750K in series with 120K 680K in series with 180K