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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

Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter33: Single-phase Motors
Section: Chapter Questions
Problem 26RQ: What does the term bifilar mean?
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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
Transcribed Image Text: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
Transcribed Image Text: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
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