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Rs G= Cs HH R₁ Vcc Cc Rc HH RL R₂ RE CE Vs Figure 6: a BJT amplifier. Q3. Figure 6 shows a BJT amplifier. The current gain of the transistor is ẞ = 60 and junction resistances are r₂ = 46 and r = co. The values of the resistors and capacitors in the circuit are R₁ = 100 kn, R₂ = 25 kn, Rc = 3 kn, R₂ = 3 kn, Rs = 35, R₁ = 4.8 kn, Cs = 0.47 uF, Cc = 1.0 μF, C₂ = 6.8 μF, Vcc = 12V and Am = -40. a) Explain briefly the function of the capacitor, Cs. b) Determine the lower cut-off frequency of the amplifier. Based on the results obtained in b), sketch the corresponding part of the Bode plot of the amplifier (magnitude only).

Rs G= Cs HH R₁ Vcc Cc Rc HH RL R₂ RE CE Vs Figure 6: a BJT amplifier. Q3. Figure 6 shows a BJT amplifier. The current gain of the transistor is ẞ = 60 and junction resistances are r₂ = 46 and r = co. The values of the resistors and capacitors in the circuit are R₁ = 100 kn, R₂ = 25 kn, Rc = 3 kn, R₂ = 3 kn, Rs = 35, R₁ = 4.8 kn, Cs = 0.47 uF, Cc = 1.0 μF, C₂ = 6.8 μF, Vcc = 12V and Am = -40. a) Explain briefly the function of the capacitor, Cs. b) Determine the lower cut-off frequency of the amplifier. Based on the results obtained in b), sketch the corresponding part of the Bode plot of the amplifier (magnitude only).

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Rs G= Cs HH R₁ Vcc Cc Rc HH RL R₂ RE CE Vs Figure 6: a BJT amplifier.
Transcribed Image Text:Rs G= Cs HH R₁ Vcc Cc Rc HH RL R₂ RE CE Vs Figure 6: a BJT amplifier.
Q3. Figure 6 shows a BJT amplifier. The current gain of the transistor is ẞ = 60 and junction resistances are r₂ = 46 and r = co. The values of the resistors and capacitors in the circuit are R₁ = 100 kn, R₂ = 25 kn, Rc = 3 kn, R₂ = 3 kn, Rs = 35, R₁ = 4.8 kn, Cs = 0.47 uF, Cc = 1.0 μF, C₂ = 6.8 μF, Vcc = 12V and Am = -40. a) Explain briefly the function of the capacitor, Cs. b) Determine the lower cut-off frequency of the amplifier. Based on the results obtained in b), sketch the corresponding part of the Bode plot of the amplifier (magnitude only).
Transcribed Image Text:Q3. Figure 6 shows a BJT amplifier. The current gain of the transistor is ẞ = 60 and junction resistances are r₂ = 46 and r = co. The values of the resistors and capacitors in the circuit are R₁ = 100 kn, R₂ = 25 kn, Rc = 3 kn, R₂ = 3 kn, Rs = 35, R₁ = 4.8 kn, Cs = 0.47 uF, Cc = 1.0 μF, C₂ = 6.8 μF, Vcc = 12V and Am = -40. a) Explain briefly the function of the capacitor, Cs. b) Determine the lower cut-off frequency of the amplifier. Based on the results obtained in b), sketch the corresponding part of the Bode plot of the amplifier (magnitude only).
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