In the circuit in the figure, Vcc= 18 V, Rs1 = 0.9 k2, Rs2 = 0.5 kQ, R1 = 75 kQ, R2 = 15 kQ, RC = 2.2 kQ, RE = 1 k and B = 120. It is also known that Cwi = 6 pF, Cwo = 10 pF, Cbc = Cu = 7 pF, Cbe = C = 44 pF and Cce = 11 PF. Accordingly, considering the frequency response of the circuit, what would the high cutoff frequency (fH) be? NOTE-1: The output impedance of the transistor is ro = 20 k and will be taken into account in the calculations. NOTE-2: high frequency dependence of hfe, B. will be taken into account.
In the circuit in the figure, Vcc= 18 V, Rs1 = 0.9 k2, Rs2 = 0.5 kQ, R1 = 75 kQ, R2 = 15 kQ, RC = 2.2 kQ, RE = 1 k and B = 120. It is also known that Cwi = 6 pF, Cwo = 10 pF, Cbc = Cu = 7 pF, Cbe = C = 44 pF and Cce = 11 PF. Accordingly, considering the frequency response of the circuit, what would the high cutoff frequency (fH) be? NOTE-1: The output impedance of the transistor is ro = 20 k and will be taken into account in the calculations. NOTE-2: high frequency dependence of hfe, B. will be taken into account.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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In the circuit in the figure, Vcc= 18 V, Rs1 = 0.9 k2, Rs2 = 0.5 kQ, R1 = 75 kQ, R2 = 15 kQ, RC = 2.2 kQ, RE = 1 k and B = 120. It is also known that Cwi = 6 pF, Cwo = 10 pF, Cbc = Cu = 7 pF, Cbe = C = 44 pF and Cce = 11 PF. Accordingly, considering the frequency response of the circuit, what would the high cutoff frequency (fH) be?
NOTE-1: The output impedance of the transistor is ro = 20 k and will be taken into account in the calculations.
NOTE-2: high frequency dependence of hfe, B.
will be taken into account.
Transcribed Image Text:Vce
R1
RC
C3
Vo
1µF
C1
Rs2
C2
Q1
Vi
NPN
1µF
1uF
Rs1
R2
RE
CE
10pF
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