Homework Answers
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...
Vce Vec RI Vi ci HH QI C2 Vo R2 RL Partial Representation Darlington Emitter Follower...
Vce Vec RI Vi ci HH QI C2 Vo R2 RL Partial Representation Darlington Emitter Follower of CE Amp Fig. 1.3 Q. 1.3. (CLO 1(C4)) (4) For the CE amplifier in Fig. 1.3. Vcc is 12V, Rc is 1k12, re' is 52. For the Darlington pair, Ri is 10k 2. R2 is 22k 2. RL is 82. Vcc is 12V and B is 100 for each Q. Neglect input impedance of base. Investigate the Av of the CE amplifier. Av...
Voc Ri Rc C2 + RS G Q2N3904 RL Vout 2 R2 RE CE Rin Rout...
Voc Ri Rc C2 + RS G Q2N3904 RL Vout 2 R2 RE CE Rin Rout Cu B 1x B C o + V be : Cr 8m'be E VCC R R2 Rc RE RS RL С. Cz CE 12 V 8.2 kg 3.9 ko 6.3 k2 3.3 kΩ 3 ko 3.9 ko 10 uF 1uF 100 u Assume the 2N3904 has a 8 =100, Veron} = 0.7V, VA= 100V, C=100, C=13.9pF and Ce=8pF. Use the emission coefficient as n...
VCC 24V RC 6.8kQ 100kΩ C2 0 15UF 01 C1 15uF 2N3904 R2 RE CE Figure 1. Common-emitter transistor a...
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VCC 24V RC 6.8kQ 100kΩ C2 0 15UF 01 C1 15uF 2N3904 R2 RE CE Figure 1. Common-emitter transistor amplifier 2. Use Multisim to build circuit and measure the DC bias value for the figure above. 3. Calculate the AC dynamic resistance, re, using the measured value of lE 4. Calculate the amp voltage gain for the bypassed emitter 5. Record measured and calculated results in table...
100 1.5 0.27 5. 6 Pl. Consider the CB amplifier of Figure 1, for which Vcc-15...
100 1.5 0.27 5. 6 Pl. Consider the CB amplifier of Figure 1, for which Vcc-15 V, Rs-50 Ω, and RL-10 kQ. For the BJT, assume that B150, VBE.on0.7 V, and VcE,sat 0.3 V, and ignore the Early effect. For the other resistances, however, assume the same values as those you used for the Common-Emitter (CE) amplifier lab (disregard the value for RE2, as the resistor does not exist in the CB amplifier of Figure 1). Therefore, copy the same...
ENG 301 Electronics I Homework 2 1 Refer to Figure 1. Assume ß 50 and VBE(on)...
ENG 301 Electronics I Homework 2 1 Refer to Figure 1. Assume ß 50 and VBE(on) 0.7 V for all BJTs in the circuit. For Ri 12 kN and Rc 10 k2, find the differential voltage gain (Ad) of the differential amplifier taken as one- sided output at vc +10 V Rc +10 V IREPR -10 V Figure 1 2. Vcc +12 V RCI= 10 k2 R3= 15 k2 67.3 k2 Ris Cci Q1 Cc2 CC3 R4= 45 k2 R2...
5. (20 points) For the amplifier in the following figure: +Vcc Rout Rc C3 R2 Rin Ri 1 k R3 Vo Vi R1 RE -VEE a) Draw the de equivalent circuit and find the Q-point. Assume B -75 b) Draw the equiv...
5. (20 points) For the amplifier in the following figure: +Vcc Rout Rc C3 R2 Rin Ri 1 k R3 Vo Vi R1 RE -VEE a) Draw the de equivalent circuit and find the Q-point. Assume B -75 b) Draw the equivalent circuit used for ac analysis. Find the values in Thevenin equivalent representation for the amplifiers between C, and C as shown below. What is the maximum value of v, that satisfies the small- signal assumption? Rout Ri vi...
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...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os,...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os, is so large it may be neglected. 0) Calculate the open circuit voltage gain Av Yout/ Vis. i) The amplifier has a load of 10 k2. Determine the current gain Va. = 12 V 150k 4k3 Vout Vin 200k GND = 0 V Figure 4b a) State the name...
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...
Vce Vec RI Vi ci HH QI C2 Vo R2 RL Partial Representation Darlington Emitter Follower of CE Amp Fig. 1.3 Q. 1.3. (CLO 1(C4)) (4) For the CE amplifier in Fig. 1.3. Vcc is 12V, Rc is 1k12, re' is 52. For the Darlington pair, Ri is 10k 2. R2 is 22k 2. RL is 82. Vcc is 12V and B is 100 for each Q. Neglect input impedance of base. Investigate the Av of the CE amplifier. Av...
Voc Ri Rc C2 + RS G Q2N3904 RL Vout 2 R2 RE CE Rin Rout Cu B 1x B C o + V be : Cr 8m'be E VCC R R2 Rc RE RS RL С. Cz CE 12 V 8.2 kg 3.9 ko 6.3 k2 3.3 kΩ 3 ko 3.9 ko 10 uF 1uF 100 u Assume the 2N3904 has a 8 =100, Veron} = 0.7V, VA= 100V, C=100, C=13.9pF and Ce=8pF. Use the emission coefficient as n...
Please use Multisim with probes placed and labeled.
Thank you for your time!
VCC 24V RC 6.8kQ 100kΩ C2 0 15UF 01 C1 15uF 2N3904 R2 RE CE Figure 1. Common-emitter transistor amplifier 2. Use Multisim to build circuit and measure the DC bias value for the figure above. 3. Calculate the AC dynamic resistance, re, using the measured value of lE 4. Calculate the amp voltage gain for the bypassed emitter 5. Record measured and calculated results in table...
100 1.5 0.27 5. 6 Pl. Consider the CB amplifier of Figure 1, for which Vcc-15 V, Rs-50 Ω, and RL-10 kQ. For the BJT, assume that B150, VBE.on0.7 V, and VcE,sat 0.3 V, and ignore the Early effect. For the other resistances, however, assume the same values as those you used for the Common-Emitter (CE) amplifier lab (disregard the value for RE2, as the resistor does not exist in the CB amplifier of Figure 1). Therefore, copy the same...
ENG 301 Electronics I Homework 2 1 Refer to Figure 1. Assume ß 50 and VBE(on) 0.7 V for all BJTs in the circuit. For Ri 12 kN and Rc 10 k2, find the differential voltage gain (Ad) of the differential amplifier taken as one- sided output at vc +10 V Rc +10 V IREPR -10 V Figure 1 2. Vcc +12 V RCI= 10 k2 R3= 15 k2 67.3 k2 Ris Cci Q1 Cc2 CC3 R4= 45 k2 R2...
5. (20 points) For the amplifier in the following figure: +Vcc Rout Rc C3 R2 Rin Ri 1 k R3 Vo Vi R1 RE -VEE a) Draw the de equivalent circuit and find the Q-point. Assume B -75 b) Draw the equivalent circuit used for ac analysis. Find the values in Thevenin equivalent representation for the amplifiers between C, and C as shown below. What is the maximum value of v, that satisfies the small- signal assumption? Rout Ri vi...
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...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os, is so large it may be neglected. 0) Calculate the open circuit voltage gain Av Yout/ Vis. i) The amplifier has a load of 10 k2. Determine the current gain Va. = 12 V 150k 4k3 Vout Vin 200k GND = 0 V Figure 4b a) State the name...
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