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.

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.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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