Question 3: Consider the cascode amplifier given in the following circuit: VDD Circuit Parameters VDD = 12V R2 = 25 k2. Rc R3 = 50 k2. R12 C4 RL = 10 k2 Rs = 1 k2 Rp= 1 k2. Q2 RL Transistor Parameters Q1: KN = 2 mA/V² , VTN = 1 V, VA = 0 Q2: B =100 , VBe(on) = 0.7 V, VA = 00 R2 Rs C1 Q1 vs R3 RP Determine R1 to set VGSQI =2 V. Check the SAT conditions for the transistors. Determine the small – signal parameters for each transistor. Determine the overall ac small – signal voltage gain Av = Vo/ Vs. Draw the necessary equivalent circuit when it is needed.
Question 3: Consider the cascode amplifier given in the following circuit: VDD Circuit Parameters VDD = 12V R2 = 25 k2. Rc R3 = 50 k2. R12 C4 RL = 10 k2 Rs = 1 k2 Rp= 1 k2. Q2 RL Transistor Parameters Q1: KN = 2 mA/V² , VTN = 1 V, VA = 0 Q2: B =100 , VBe(on) = 0.7 V, VA = 00 R2 Rs C1 Q1 vs R3 RP Determine R1 to set VGSQI =2 V. Check the SAT conditions for the transistors. Determine the small – signal parameters for each transistor. Determine the overall ac small – signal voltage gain Av = Vo/ Vs. Draw the necessary equivalent circuit when it is needed.
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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Transcribed Image Text:Question 3:
Consider the cascode amplifier given in the following circuit:
Circuit Parameters
VDD = 12V
R2= 25 k2.
R3 = 50 k2.
VDD
Rc
R12
C4
R1 = 10 k2
C3
Rs = 1 kN
Rp = 1 k2.
RL
Vo
Transistor Parameters
Q1: KN = 2 mA/V² , VTn = 1 V, Va = ∞
Q2: B =100 , Vbe(ON) = 0.7 V, VA = ∞
R2.
Rs
C1
Q1
Vs
R3.
RP
C2
Determine R1 to set VGsQ1 =2 V.
Check the SAT conditions for the transistors.
Determine the small – signal parameters for each transistor.
Determine the overall ac small – signal voltage gain Av=Vo / Vs-
Draw the necessary equivalent circuit when it is needed.
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