Given a BJT amplifier as shown in the following figure where ? = 60. The capacitors C1, C2 and C3 are considered to have very large values.
Given a BJT amplifier as shown in the following figure where ? = 60. The capacitors C1, C2 and C3 are considered to have very large values.
a. Perform DC analysis and compute Quiestcent point of the transistor (Icq, Vceq). b. Draw small signal equivalent circuit of the above circuit at midband and calculate Rout and overall voltage gain Gv = Vout(t)⁄Vsig(t) of the circuit at midband.
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Given a BJT amplifier as shown in the following figure where ? = 60. The capacitors C1, C2 and C3 are considered to have very large values.
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And w...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
1-Clear handwriting 2-Correct answer 3-Organized 4-answer all the questions Please Problem 2 On the circuit on...
1-Clear handwriting
2-Correct answer
3-Organized
4-answer all the questions
Please
Problem 2 On the circuit on Figure P2, transi stor Q1 has a threshold voltage of Vt = 2 V and a transconductance parameter of k = 100 mA/V2. Note that Vcc = -Vee = 4.5 V. Moreover, capacitors C1, C2, and C3 can be assumed to be very large VDD 4.5.0 R3 25kQ R1 300kn C2 Vout C1 Rsig Q1 1k0 R2 200kn Vsig (R4 2kQ C3 -4.5V VSS...
please answer this ASAP Answer the following questions for the below BJT amplifier circuit. Assume capacitors...
please answer this ASAP
Answer the following questions for the below BJT amplifier circuit. Assume capacitors are short in the signal circuit. Use Vr 25 mV,B = 100, Vpo = 0.7 V, and Ignore the early effect in the bias and signal circuits Find the Bias parameters of the amplifier circuit a) b) Find the small signal parameters of the amplifier. c) Draw the small signal equivalent circuit. Find the open loop voltage gain (Ayo), voltage gain (A,), total circuit...
In the amplifier circuit below, the transistor has the following properties:Vt =1.5V,k’n=100 microA/V2,W=2 micro m ,L=0.2...
In the amplifier circuit below, the transistor has the following
properties:Vt =1.5V,k’n=100 microA/V2,W=2 micro m ,L=0.2 micro m,
lambda = 0V^-1
a. Find the dc values VG, VD, and VS.
b. Verify (prove) that the circuit is in the proper region of
operation for an amplifier
c. Find the transconductance value, gm
d. Draw the equivalent small-signal circuit model, replacing the
NMOS with its pi-model
e. Draw the equivalent small-signal circuit model, replacing the
NMOS with its T-model
f. Calculate...
Problem 2 Consider the feedback amplifier circuit on Figure P2. The DC current gain of transistor Q3 is -100 1. What type of feedback (or what feedback topology) do we have on the circuit in Figure P...
Problem 2 Consider the feedback amplifier circuit on Figure P2. The DC current gain of transistor Q3 is -100 1. What type of feedback (or what feedback topology) do we have on the circuit in Figure P2? 2. Draw the A-circuit. Express and compute the open-loop voltage gain A at mid-band frequency 3, Draw the γ-circuit. Express and compute the feedback factor γ 4. Express and compute the overall gain of the feedback amplifier Ap Express and compute the input...
Problem 2: In the circuit on Figure P2, BJT NPN Q1 and Q2 emulate a Darlington...
Problem 2: In the circuit on Figure P2, BJT NPN Q1 and Q2 emulate a Darlington Pair (DP). It should be noted that Q1 and Q2 are such that their current gains are B1 B2 = B = 99. Moreover, capacitors C1 and C2 can be assumed to be very large. Note: The DC analysis of the DP circuit below can be done in a similar fashion as what you do when only dealing with one transistor. Express the current...
Problem 2: Consider the following amplifier circuit. All capacitors are infinite valued. Voc RB1 Rc1 Rc2...
Problem 2: Consider the following amplifier circuit. All capacitors are infinite valued. Voc RB1 Rc1 Rc2 0 Q1 Vout RB2 Rout1 Q2 Rout2 Rint R1 Rin2 Rsig + IEI Vsig Voc SINE() IE2 a. Specify the type of amplifier in each stage. b. Draw the small signal model of this amplifier and include the early effect. c. Derive an expression for Rout1 and Rout2 including early effect. d. Derive expressions for Rin1 and Rin2. Ignore the early effect. e. Derive...
Homework 4 Due: June 26, 2019, at 5 pm. Note: Show all steps required to get...
Homework 4 Due: June 26, 2019, at 5 pm. Note: Show all steps required to get to your answers and make sure to box them. Writing down answers to questions asked without any explanation(s) will not do it. Clarity should be a priority Moreover, the assigned textbook for this class is Sedra and Smith, Microelectronic Circuits, Seventh Edition, Oxford University Press. Make sure you have the proper book Reminder: In class, we have expressed the overall voltage gain of a...
Four capacitors are arranged in the circuit shown in the figure. The capacitors have the values...
Four capacitors are arranged in the circuit shown in the figure.
The capacitors have the values C1 = 27.5 μF, C2 = 45.5 μF, C3 =
50.5 μF, C4 = 40.5 μF, and the power supply is at voltage V = 16.5
V. What is the equivalent capacitance of the circuit?
Four capacitors are arranged in the circuit shown in the figure. The capacitors have the values C1-27.5 μF, C2 = 45.5 μF, C3 = 50.5 F, C.-40.5 and the...
1. Problem 1: For the circuit below, where β-100 and VT 25mV a. Find the dc...
1. Problem 1: For the circuit below, where β-100 and VT 25mV a. Find the dc collector current, Ic. b. Find the small signal parameters: gm , Γπ and re- c. Draw the small-signal equivalent circuit by replacing the BJT with its hybrid-t model. d. Draw the small-signal equivalent circuit by replacing the BJT with its T model. e. Use the circuit in c or d to determine the voltage gains (Ao, A.) and overall gain (Gv) 5V 1V Vout...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
1-Clear handwriting
2-Correct answer
3-Organized
4-answer all the questions
Please
Problem 2 On the circuit on Figure P2, transi stor Q1 has a threshold voltage of Vt = 2 V and a transconductance parameter of k = 100 mA/V2. Note that Vcc = -Vee = 4.5 V. Moreover, capacitors C1, C2, and C3 can be assumed to be very large VDD 4.5.0 R3 25kQ R1 300kn C2 Vout C1 Rsig Q1 1k0 R2 200kn Vsig (R4 2kQ C3 -4.5V VSS...
please answer this ASAP
Answer the following questions for the below BJT amplifier circuit. Assume capacitors are short in the signal circuit. Use Vr 25 mV,B = 100, Vpo = 0.7 V, and Ignore the early effect in the bias and signal circuits Find the Bias parameters of the amplifier circuit a) b) Find the small signal parameters of the amplifier. c) Draw the small signal equivalent circuit. Find the open loop voltage gain (Ayo), voltage gain (A,), total circuit...
In the amplifier circuit below, the transistor has the following
properties:Vt =1.5V,k’n=100 microA/V2,W=2 micro m ,L=0.2 micro m,
lambda = 0V^-1
a. Find the dc values VG, VD, and VS.
b. Verify (prove) that the circuit is in the proper region of
operation for an amplifier
c. Find the transconductance value, gm
d. Draw the equivalent small-signal circuit model, replacing the
NMOS with its pi-model
e. Draw the equivalent small-signal circuit model, replacing the
NMOS with its T-model
f. Calculate...
Problem 2 Consider the feedback amplifier circuit on Figure P2. The DC current gain of transistor Q3 is -100 1. What type of feedback (or what feedback topology) do we have on the circuit in Figure P2? 2. Draw the A-circuit. Express and compute the open-loop voltage gain A at mid-band frequency 3, Draw the γ-circuit. Express and compute the feedback factor γ 4. Express and compute the overall gain of the feedback amplifier Ap Express and compute the input...
Problem 2: In the circuit on Figure P2, BJT NPN Q1 and Q2 emulate a Darlington Pair (DP). It should be noted that Q1 and Q2 are such that their current gains are B1 B2 = B = 99. Moreover, capacitors C1 and C2 can be assumed to be very large. Note: The DC analysis of the DP circuit below can be done in a similar fashion as what you do when only dealing with one transistor. Express the current...
Problem 2: Consider the following amplifier circuit. All capacitors are infinite valued. Voc RB1 Rc1 Rc2 0 Q1 Vout RB2 Rout1 Q2 Rout2 Rint R1 Rin2 Rsig + IEI Vsig Voc SINE() IE2 a. Specify the type of amplifier in each stage. b. Draw the small signal model of this amplifier and include the early effect. c. Derive an expression for Rout1 and Rout2 including early effect. d. Derive expressions for Rin1 and Rin2. Ignore the early effect. e. Derive...
Homework 4 Due: June 26, 2019, at 5 pm. Note: Show all steps required to get to your answers and make sure to box them. Writing down answers to questions asked without any explanation(s) will not do it. Clarity should be a priority Moreover, the assigned textbook for this class is Sedra and Smith, Microelectronic Circuits, Seventh Edition, Oxford University Press. Make sure you have the proper book Reminder: In class, we have expressed the overall voltage gain of a...
Four capacitors are arranged in the circuit shown in the figure.
The capacitors have the values C1 = 27.5 μF, C2 = 45.5 μF, C3 =
50.5 μF, C4 = 40.5 μF, and the power supply is at voltage V = 16.5
V. What is the equivalent capacitance of the circuit?
Four capacitors are arranged in the circuit shown in the figure. The capacitors have the values C1-27.5 μF, C2 = 45.5 μF, C3 = 50.5 F, C.-40.5 and the...
1. Problem 1: For the circuit below, where β-100 and VT 25mV a. Find the dc collector current, Ic. b. Find the small signal parameters: gm , Γπ and re- c. Draw the small-signal equivalent circuit by replacing the BJT with its hybrid-t model. d. Draw the small-signal equivalent circuit by replacing the BJT with its T model. e. Use the circuit in c or d to determine the voltage gains (Ao, A.) and overall gain (Gv) 5V 1V Vout...
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