Note that all capacitors are large so that their impedance is negligible at signal frequencies of interest. npn equations active Ic Ise VBE/VT = IB = (Is/B)eVB VBE/VT IE = (Is/α)еVB VBE/VT Ic=ẞIB_IС = αIE B α α = B = B+1 1-α Ic α Im Υπ re To= VT 9m Im 550 VA 4. BJT amplifier == The transistor in the circuit below has ẞ 100 and VBE = 0.7 V in forward bias. Ignore the Early effect and use VT = 25 mV. Determine values for Rc and RE so that the transcon- ductance is 9m 80 m¹ and the amplifier gain is A = 100. What is the purpose of the capacitor connected to the base? = Vsig + 9 V 9 V 100 k RC RE H Vout

Note that all capacitors are large so that their impedance is negligible at signal frequencies of interest. npn equations active Ic Ise VBE/VT = IB = (Is/B)eVB VBE/VT IE = (Is/α)еVB VBE/VT Ic=ẞIB_IС = αIE B α α = B = B+1 1-α Ic α Im Υπ re To= VT 9m Im 550 VA 4. BJT amplifier == The transistor in the circuit below has ẞ 100 and VBE = 0.7 V in forward bias. Ignore the Early effect and use VT = 25 mV. Determine values for Rc and RE so that the transcon- ductance is 9m 80 m¹ and the amplifier gain is A = 100. What is the purpose of the capacitor connected to the base? = Vsig + 9 V 9 V 100 k RC RE H Vout

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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