![Assuming the transistor below has a DC current gain of 110 [A/A], a) Find RI and R2 for maximum symmetrical output swing. b) Accurately sketch the DC and AC load lines and label all points of interest. c Discuss the signifance of CE ?2SV](http://img.homeworklib.com/questions/06232780-849b-11ec-a8b0-3110ba610d8b.png?x-oss-process=image/resize,w_560)
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Assuming the transistor below has a DC current gain of 110 [A/A], a) Find RI and...
In the CE amplifier shown below, a. Find the transistor DC operating points. Check what region...
In the CE amplifier shown below, a. Find the transistor DC operating points. Check what region of operation the transistor is biased at. b. Calculate the small signal voltage gain, the input resistance looking into the base of the transistor, and the output resistance looking down at the collector. c. Find the small signal current gain, 으 VBE,ON = 0.6V, and β = 100, VA = 00, Base current may be ignored if possible
The depicted circuit represents a CE gain stage. Find a value for the dc input resistance ri (in ...
The depicted circuit represents a CE gain stage. Find a value for the dc input resistance ri (in Ω) of this equivalent circuit. BJT Transistor Rs ο Ιβ=150 +VA 60 V Cu Vs nVT 30 mV
The depicted circuit represents a CE gain stage. Find a value for the dc input resistance ri (in Ω) of this equivalent circuit. BJT Transistor Rs ο Ιβ=150 +VA 60 V Cu Vs nVT 30 mV
Example 13.4: For the figure below, a) Draw AC and DC load lines for both transistors....
Example 13.4: For the figure below, a) Draw AC and DC load lines for both transistors. b) Calculate the overall voltage gain Avs o/vs c) Find s(max) which produces maximum undistorted output voltage. 20V Q1 Q2 hFE=htp= 100 100k2 Rc 1k R VBE 0.6V R2>100k Q2 R. Cc Q1 Co 1kn o Vo R1 10k RE2 1k RL1K2 RE1 1kn CE Figure 13.6: An AC-coupled two-stage BJT amplifier for Example 13.4.
Example 13.4: For the figure below, a) Draw AC...
Example 13.6: For the figure below, a) Draw AC and DC load lines for both transistors...
Example 13.6: For the figure below, a) Draw AC and DC load lines for both transistors b) Calculate the overall voltage gain Avs vo/v,. c) Find v(max) which produces maximum undistorted output voltage 9V 오 Q, Q2 1.3k Rcz hFE hte 100 Rc1 2.2k VBE = 0.6V -o Vo Co Q2 C. R. HH Q1 200Q RE1 1.8kQ CE 6000 Figure 13.10: A DC-coupled two-stage BJT amplifier for Example 13.6.
Example 13.6: For the figure below, a) Draw AC and...
7 Draw the DC and AC load lines for the amplifier of below on the given...
7 Draw the DC and AC load lines for the amplifier of below on the given collector characteristics and determine the maximum output signal swing. (15 points) Do R, 2N2222 lc(mA) 12 1.-100-A 10 40 101 12 F V) 123 456789
4. For the amplifier in the figure below use the parameters in the table: +Vcc Re VBE- 0.7V, Ri- ...
4. For the amplifier in the figure below use the parameters in the table: +Vcc Re VBE- 0.7V, Ri- 1002, R1-160k2, R2-320k2 R3-200k2, R6-40 k2, Rc-60k2, Vcc- 12V, Ry Do a) Draw the DC equivalent circuit and calculate the Q-point. c) Draw the AC equivalent circuit with the small signal model for the transistor. d) Calculate the voltage gain, Av-Vo/vi. Assume ro infinite. e) Draw the circuit to find the amplifier input resistance (Rin). Calculate Rin f Draw the circuit...
QUESTION 2 [Total 20 Marks] Figure 2.1 presents the BJT amplifier's DC biasing voltages (PSpice Biasing...
QUESTION 2 [Total 20 Marks] Figure 2.1 presents the BJT amplifier's DC biasing voltages (PSpice Biasing Point simulation). In your evaluation assume that ANSWER: the output resistance of the BJT Q1 is infinite a)-29.4x105 A/V Establish the slope of the DC load line Establish the slope of the AC load line Sketch the DC and AC load lines directly on the transistor's Ic vs Vc plot provided in Figure 2.2 a) b) c) [3 marks] 3 marks] b)-75.8x10-3 A/ [10...
ASSUME ALL CAPACITORS ARE INFINITE AND IDEAL. For a common-emitter amplifier with a voltage divider bias...
ASSUME ALL CAPACITORS ARE INFINITE
AND IDEAL.
For a common-emitter amplifier with a voltage divider bias configuration using a single source, and given Rs = 2009, Rc = R = 2k2, VBE = 0.7V, Vcc= 20V and B = 100: a. Find R. and R for maximum symmetric output swing b. Determine Vopp (ideal and practical) c. Sketch the dc and ac load lines, showing the q-point and all intercept values of voltage and current.
Score 2. (22 points) For the circuit in Figure 2, the transistor parameters are: 2 0,...
Score 2. (22 points) For the circuit in Figure 2, the transistor parameters are: 2 0, VN=2V, Ka-1mA/V2, all the capacitors are assumed to act as short circuits at the signal frequency (1) Calculate the Q-point (Vos. I Vos); (2) Sketch the small-signal equivalent circuit, you must label the polarities of the voltages and the direction of the current; (3) Determine the voltage gain A, vo/v (4) Determine the input resistance Ri and output resistance Ro V1 5 10 V...
Figure Qlc) below shows a transistor amplifier circuit in which the quiescent DC collector current is...
Figure Qlc) below shows a transistor amplifier circuit in which the quiescent DC collector current is ImA (the bias resistors are omitted). Assuming that rce and RE are large enough to be neglected, draw the equivalent circuit and calculate the voltage gain, v/r. State an application for this amplifier. The collector resistor, Re Rc 0 RE 0V Figure Q1c)
In the CE amplifier shown below, a. Find the transistor DC operating points. Check what region of operation the transistor is biased at. b. Calculate the small signal voltage gain, the input resistance looking into the base of the transistor, and the output resistance looking down at the collector. c. Find the small signal current gain, 으 VBE,ON = 0.6V, and β = 100, VA = 00, Base current may be ignored if possible
The depicted circuit represents a CE gain stage. Find a value for the dc input resistance ri (in Ω) of this equivalent circuit. BJT Transistor Rs ο Ιβ=150 +VA 60 V Cu Vs nVT 30 mV
The depicted circuit represents a CE gain stage. Find a value for the dc input resistance ri (in Ω) of this equivalent circuit. BJT Transistor Rs ο Ιβ=150 +VA 60 V Cu Vs nVT 30 mV
Example 13.4: For the figure below, a) Draw AC and DC load lines for both transistors. b) Calculate the overall voltage gain Avs o/vs c) Find s(max) which produces maximum undistorted output voltage. 20V Q1 Q2 hFE=htp= 100 100k2 Rc 1k R VBE 0.6V R2>100k Q2 R. Cc Q1 Co 1kn o Vo R1 10k RE2 1k RL1K2 RE1 1kn CE Figure 13.6: An AC-coupled two-stage BJT amplifier for Example 13.4.
Example 13.4: For the figure below, a) Draw AC...
Example 13.6: For the figure below, a) Draw AC and DC load lines for both transistors b) Calculate the overall voltage gain Avs vo/v,. c) Find v(max) which produces maximum undistorted output voltage 9V 오 Q, Q2 1.3k Rcz hFE hte 100 Rc1 2.2k VBE = 0.6V -o Vo Co Q2 C. R. HH Q1 200Q RE1 1.8kQ CE 6000 Figure 13.10: A DC-coupled two-stage BJT amplifier for Example 13.6.
Example 13.6: For the figure below, a) Draw AC and...
7 Draw the DC and AC load lines for the amplifier of below on the given collector characteristics and determine the maximum output signal swing. (15 points) Do R, 2N2222 lc(mA) 12 1.-100-A 10 40 101 12 F V) 123 456789
4. For the amplifier in the figure below use the parameters in the table: +Vcc Re VBE- 0.7V, Ri- 1002, R1-160k2, R2-320k2 R3-200k2, R6-40 k2, Rc-60k2, Vcc- 12V, Ry Do a) Draw the DC equivalent circuit and calculate the Q-point. c) Draw the AC equivalent circuit with the small signal model for the transistor. d) Calculate the voltage gain, Av-Vo/vi. Assume ro infinite. e) Draw the circuit to find the amplifier input resistance (Rin). Calculate Rin f Draw the circuit...
QUESTION 2 [Total 20 Marks] Figure 2.1 presents the BJT amplifier's DC biasing voltages (PSpice Biasing Point simulation). In your evaluation assume that ANSWER: the output resistance of the BJT Q1 is infinite a)-29.4x105 A/V Establish the slope of the DC load line Establish the slope of the AC load line Sketch the DC and AC load lines directly on the transistor's Ic vs Vc plot provided in Figure 2.2 a) b) c) [3 marks] 3 marks] b)-75.8x10-3 A/ [10...
ASSUME ALL CAPACITORS ARE INFINITE
AND IDEAL.
For a common-emitter amplifier with a voltage divider bias configuration using a single source, and given Rs = 2009, Rc = R = 2k2, VBE = 0.7V, Vcc= 20V and B = 100: a. Find R. and R for maximum symmetric output swing b. Determine Vopp (ideal and practical) c. Sketch the dc and ac load lines, showing the q-point and all intercept values of voltage and current.
Score 2. (22 points) For the circuit in Figure 2, the transistor parameters are: 2 0, VN=2V, Ka-1mA/V2, all the capacitors are assumed to act as short circuits at the signal frequency (1) Calculate the Q-point (Vos. I Vos); (2) Sketch the small-signal equivalent circuit, you must label the polarities of the voltages and the direction of the current; (3) Determine the voltage gain A, vo/v (4) Determine the input resistance Ri and output resistance Ro V1 5 10 V...
Figure Qlc) below shows a transistor amplifier circuit in which the quiescent DC collector current is ImA (the bias resistors are omitted). Assuming that rce and RE are large enough to be neglected, draw the equivalent circuit and calculate the voltage gain, v/r. State an application for this amplifier. The collector resistor, Re Rc 0 RE 0V Figure Q1c)
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