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III-i) Draw the circuit diagram of a Logarithmic Amplifier. Derive the expression for the output of...
shows two versions of a common-emitter amplifier and (i Fig. 1 (a) Find the expression for the small-signal voltage gai...
shows two versions of a common-emitter amplifier and (i Fig. 1 (a) Find the expression for the small-signal voltage gain of Fig. 1(i) in terms of relevant small- signal parameters. (b) Over what frequency range will the gain of the Fig. 1(i) circuit be the same as that of the Fig. 1(i) circuit? (c) Which of the two circuits will show less variation in its de biasing in the presence of processing or temperature variations? Justify your answer. (d) Explain,...
I. Draw the logic diagram for the function
For Questions 1-3: I. Draw the logic diagram for the function (5 points) II Derive the Karnaugh map for the function (5 points) III Write the function in Sum of Products notation (5 points) IV. Simplify the expression (5 points) V. Draw the logic diagram for the simplified function (5 points) VI. Show that the simplified expression equals the original equation by deriving the truth tables for both. (5 points)
P.3: (4 marks) The AC circuit for the amplifier is given below 1- Draw the AC...
P.3: (4 marks) The AC circuit for the amplifier is given below 1- Draw the AC equivalent circuit of the amplifier using the high frequency hyo model - Tt model with C, Ceo and ro taken into consideration and Cah neglected. Use the open circuit time constants method to derive an expression for G. (3 marks) ma 2- 0 Ry,
shows two versions of a common-emitter amplifier and (i Fig. 1 (a) Find the expression for...
shows two versions of a common-emitter amplifier and (i Fig. 1 (a) Find the expression for the small-signal voltage gain of Fig. 1(i) in terms of relevant small- signal parameters. (b) Over what frequency range will the gain of the Fig. 1(i) circuit be the same as that of the Fig. 1(i) circuit? (c) Which of the two circuits will show less variation in its de biasing in the presence of processing or temperature variations? Justify your answer. (d) Explain,...
2. Consider the amplifier to the right. This is a common base amplifier Assume that the...
2. Consider the amplifier to the right. This is a common base amplifier Assume that the values of r ro, B, and gm, are known, or have bee found from the DC analysis. For the following questions, you have t show all steps of the circuit analysis. cC (a) Draw the small-signal version of this amplifier Include th Early effect resistance in the pi-model. In other words, the pi model should be: be To (b) Use the circuit of part...
i. Draw the circuit (using op-amps) that you would use to generate a square wave. ? ii. Derive expressions for T H, TL, duty cycle and the frequency of the generated square wave. Clearly sketch the d...
i. Draw the circuit (using op-amps) that you would use to
generate a square wave.
?
ii. Derive expressions for T H, TL, duty cycle and the frequency of
the generated
square wave. Clearly sketch the different waveforms in your
circuit?
iii. Let’s assume that in your design you can only use 10k Ω
resistors. Choose the
values of the other circuit components in your design such that the
square wave
has a frequency of 1kHz , and a duty...
Question 3. Unregulated supply Rz IL Vin IR Ib (a) The circuit on the right shows...
Question 3. Unregulated supply Rz IL Vin IR Ib (a) The circuit on the right shows a series regulator connected to the output of an unregulated power supply. The transistor has B =50, and a 6 volt Zener diode is used. When the load current, Il, is 1 amp the de input voltage from the unregulated supply, Vin, is 11 volt, VBE = 1 volt and the Zener diode current, Iz, is 20 mA. For these conditions, calculate Iz (i)...
Q1(a) [5 Marks The diagram of Fig Ql(a) below describes how a Bipolar Junction Transistor (BJT)...
Q1(a) [5 Marks The diagram of Fig Ql(a) below describes how a Bipolar Junction Transistor (BJT) may be represented as a two-port network. With the aid of this diagram, derive expressions for the small signal parameters: hie, hoe, hre and hfe. 01- Port 1 V1 Two-Port Network V2 Port 2 Fig Ql(a) Q1(b) [25 Marks) The small signal Common-Emitter (CE) amplifier circuit of Fig Q1(b) below has the following parameters: hie = 1k22, hre = 104, hfe = 100, hoe...
Can anyone explain how can you get the above logic diagram? I have no clue how the answer is like that. I've been trying to derive the truth table and draw the logic diagram, but it's not the...
Can anyone explain how can you
get the above logic diagram? I have no clue how the answer is like
that. I've been trying to derive the truth table and draw the logic
diagram, but it's not the same as the above answer.
Exercise 9. Design of Sequential Circuits Design the sequential circuit illustrated by Figure 10. The circuit has an input X and an output Z. The out put Z goes high (1) whenever the target sequence 1-1-1 has...
1. A 50 Hz 3-phase Have wave uncontrolled rectifier circuit is used to supply a resistive load of...
1. A 50 Hz 3-phase Have wave uncontrolled rectifier circuit is used to supply a resistive load of 100 ohms. The supply is unbalanced and defined as v.-127.28 cos (ot) V 127.28 sin (ot-0.5236) V n63.64 cos (ot+2.0944) V a) Draw the circuit diagram. b) Draw the three phase voltages wave forms. c) Use phasor diagram or any other method to obtain the line voltages v and d) Draw the line voltages v and v wave forms. e) Derive an...
shows two versions of a common-emitter amplifier and (i Fig. 1 (a) Find the expression for the small-signal voltage gain of Fig. 1(i) in terms of relevant small- signal parameters. (b) Over what frequency range will the gain of the Fig. 1(i) circuit be the same as that of the Fig. 1(i) circuit? (c) Which of the two circuits will show less variation in its de biasing in the presence of processing or temperature variations? Justify your answer. (d) Explain,...
P.3: (4 marks) The AC circuit for the amplifier is given below 1- Draw the AC equivalent circuit of the amplifier using the high frequency hyo model - Tt model with C, Ceo and ro taken into consideration and Cah neglected. Use the open circuit time constants method to derive an expression for G. (3 marks) ma 2- 0 Ry,
shows two versions of a common-emitter amplifier and (i Fig. 1 (a) Find the expression for the small-signal voltage gain of Fig. 1(i) in terms of relevant small- signal parameters. (b) Over what frequency range will the gain of the Fig. 1(i) circuit be the same as that of the Fig. 1(i) circuit? (c) Which of the two circuits will show less variation in its de biasing in the presence of processing or temperature variations? Justify your answer. (d) Explain,...
2. Consider the amplifier to the right. This is a common base amplifier Assume that the values of r ro, B, and gm, are known, or have bee found from the DC analysis. For the following questions, you have t show all steps of the circuit analysis. cC (a) Draw the small-signal version of this amplifier Include th Early effect resistance in the pi-model. In other words, the pi model should be: be To (b) Use the circuit of part...
i. Draw the circuit (using op-amps) that you would use to
generate a square wave.
?
ii. Derive expressions for T H, TL, duty cycle and the frequency of
the generated
square wave. Clearly sketch the different waveforms in your
circuit?
iii. Let’s assume that in your design you can only use 10k Ω
resistors. Choose the
values of the other circuit components in your design such that the
square wave
has a frequency of 1kHz , and a duty...
Question 3. Unregulated supply Rz IL Vin IR Ib (a) The circuit on the right shows a series regulator connected to the output of an unregulated power supply. The transistor has B =50, and a 6 volt Zener diode is used. When the load current, Il, is 1 amp the de input voltage from the unregulated supply, Vin, is 11 volt, VBE = 1 volt and the Zener diode current, Iz, is 20 mA. For these conditions, calculate Iz (i)...
Q1(a) [5 Marks The diagram of Fig Ql(a) below describes how a Bipolar Junction Transistor (BJT) may be represented as a two-port network. With the aid of this diagram, derive expressions for the small signal parameters: hie, hoe, hre and hfe. 01- Port 1 V1 Two-Port Network V2 Port 2 Fig Ql(a) Q1(b) [25 Marks) The small signal Common-Emitter (CE) amplifier circuit of Fig Q1(b) below has the following parameters: hie = 1k22, hre = 104, hfe = 100, hoe...
Can anyone explain how can you
get the above logic diagram? I have no clue how the answer is like
that. I've been trying to derive the truth table and draw the logic
diagram, but it's not the same as the above answer.
Exercise 9. Design of Sequential Circuits Design the sequential circuit illustrated by Figure 10. The circuit has an input X and an output Z. The out put Z goes high (1) whenever the target sequence 1-1-1 has...
1. A 50 Hz 3-phase Have wave uncontrolled rectifier circuit is used to supply a resistive load of 100 ohms. The supply is unbalanced and defined as v.-127.28 cos (ot) V 127.28 sin (ot-0.5236) V n63.64 cos (ot+2.0944) V a) Draw the circuit diagram. b) Draw the three phase voltages wave forms. c) Use phasor diagram or any other method to obtain the line voltages v and d) Draw the line voltages v and v wave forms. e) Derive an...
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