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Q1) a) Determine whether or not the transistor is in saturation V CE(sar) = 0.2; R...
An amplifier circuit using a bipolar transistor is shown in Figure Q5. (a) State, with a valid re...
An amplifier circuit using a bipolar transistor is shown in
Figure Q5.
(a) State, with a valid reason, whether this amplifier is an
emitter follower
or a common emitter configuration.
(b) Redraw Figure Q5 as a large signal equivalent circuit. Show
that:
(c) Show that the input voltage, vISAT to produce the onset of
saturation for
T1 is given by:
(d), confirm, by calculation, that
T1 is in saturation.
(e) Calculate the current in the lamp when T1 is in...
2. Assume that we know Ves 1.2 V, Vcc 20 V, R 60 kn, Rc 2...
2. Assume that we know Ves 1.2 V, Vcc 20 V, R 60 kn, Rc 2 kl in the circuit shown in using Figure 2, and the amplification factor of the transistor β-500. Determine 1B, lc and the DC equivalent circuit model of transistors. (20 points) CE Rc VNE Figure 2
Design a CE amplifier using a Darlington transistor pair with a combined VoE = 1.2V (Combined)...
Design a CE amplifier using a Darlington transistor pair with a combined VoE = 1.2V (Combined) as shown in the circuit below. Use Vcc = 20V, RE-200f, R.- 5k2, Ay -120 V/V and Ai-200 A/A. Assume ideal capacitors and determine: a. R1, 2 and Rin b. Input de power required 25000 and 2 Vcc R. R2 Vout Vin R1
QUESTION 2 Determine whether the transistor n figure 2 is saturated RC 1 5kn RB BDC...
QUESTION 2 Determine whether the transistor n figure 2 is saturated RC 1 5kn RB BDC 120 VCC 12kΩ 9V VBB 85 V Figure 2 [9]
The component values for the npn-transistor amplifier circuit are R = 665 Q, Vcc= 20 V,...
The component values for the npn-transistor amplifier circuit are R = 665 Q, Vcc= 20 V, VB= 2.4 V, and RB= 85k a) The graphon the last page shows the characteristics for the transistor in the above circuit Construct the load line for th is transistor circuit and draw it into the IC vs. VCE graph. Briefly state how you determine the load line. b) Determine the base current, assuming that the transistor is made of silicon. c) Determine the...
What type of transistor amplifier is shown in Fig. 29-19a? 29-3 +Vcc 15 V = 7.5...
What type of transistor amplifier is shown in Fig. 29-19a? 29-3 +Vcc 15 V = 7.5 k R= 1.2 k R, C B= 100 2 = 1.5 k° in 10 mV RE = 360 CE (a) Calculate the following DC quantities in Fig. 29-19a: 29-4 Ves a. b. VE C. d. Vc e. VCE W
What type of transistor amplifier is shown in Fig. 29-19a? 29-3 +Vcc 15 V = 7.5 k R= 1.2 k R, C B= 100 2...
ECE 3424 Student Name & ID: An npn transistor having 1s = 10-"A and B =...
ECE 3424 Student Name & ID: An npn transistor having 1s = 10-"A and B = 100 is connected as follows: The emitter is grounded, the base is fed with a constant-current source supplying a dc current of 10 u A, and the collector is connected to a 5-V dc supply via a resistance Rc of 3 k12. Assuming that the transistor is operating in the active mode, find VBE and Vce. Use these values to verify active-mode operation. Replace...
ECE 330 Electronics Homework #4 Name: 1. Determine the r-parameters for the transistor of the fig...
ECE 330 Electronics Homework #4 Name: 1. Determine the r-parameters for the transistor of the figure below, and draw (15 points) signal equivalent circuit. Assume β 150 tlo Rs 10μF 2N2222A RI S 4.7 ks2 Determine all the parameters for the CE amplifier with gain stabilization shown below, using the approximate transistor model (neglecting the effect of ro) Vcc 16 V 4. (15 points) Assume β-160 Ri 30 kQ 2N3904 's100 mV Rg
ECE 330 Electronics Homework #4 Name: 1....
Consider the npn BJT with a turn-on voltage V1 = 0.70 V, and a saturation emitter-collector...
Consider the npn BJT with a turn-on voltage V1 = 0.70 V, and a saturation emitter-collector voltage V CE/SAT) = 0.20 V. (a) [20 points) Consider this transistor in a common- emitter circuit (Re = 0). Design this common- emitter circuit to produce the IV (Ic vs. VCE) characteristic and load line (LL) as shown in the graph. Your answers are the following: a drawing of the circuit; the values of Vcc, Rc, VBB, and Ra; and the value for...
1) Consider the following circuit with an assumption that we have the transistor in active mode....
1) Consider the following circuit with an assumption that we have the transistor in active mode. The type of circuit below is a transistor commonn-emitter circuit. You must firstly determine i) Is then secondly ii) I and finally ii) Vce. All working must be shown. Rc 1.06.12 RB w @ Bpc = 50 + Vcc 10 V + 10 ΚΩ VBB 3 V
An amplifier circuit using a bipolar transistor is shown in
Figure Q5.
(a) State, with a valid reason, whether this amplifier is an
emitter follower
or a common emitter configuration.
(b) Redraw Figure Q5 as a large signal equivalent circuit. Show
that:
(c) Show that the input voltage, vISAT to produce the onset of
saturation for
T1 is given by:
(d), confirm, by calculation, that
T1 is in saturation.
(e) Calculate the current in the lamp when T1 is in...
2. Assume that we know Ves 1.2 V, Vcc 20 V, R 60 kn, Rc 2 kl in the circuit shown in using Figure 2, and the amplification factor of the transistor β-500. Determine 1B, lc and the DC equivalent circuit model of transistors. (20 points) CE Rc VNE Figure 2
Design a CE amplifier using a Darlington transistor pair with a combined VoE = 1.2V (Combined) as shown in the circuit below. Use Vcc = 20V, RE-200f, R.- 5k2, Ay -120 V/V and Ai-200 A/A. Assume ideal capacitors and determine: a. R1, 2 and Rin b. Input de power required 25000 and 2 Vcc R. R2 Vout Vin R1
QUESTION 2 Determine whether the transistor n figure 2 is saturated RC 1 5kn RB BDC 120 VCC 12kΩ 9V VBB 85 V Figure 2 [9]
The component values for the npn-transistor amplifier circuit are R = 665 Q, Vcc= 20 V, VB= 2.4 V, and RB= 85k a) The graphon the last page shows the characteristics for the transistor in the above circuit Construct the load line for th is transistor circuit and draw it into the IC vs. VCE graph. Briefly state how you determine the load line. b) Determine the base current, assuming that the transistor is made of silicon. c) Determine the...
What type of transistor amplifier is shown in Fig. 29-19a? 29-3 +Vcc 15 V = 7.5 k R= 1.2 k R, C B= 100 2 = 1.5 k° in 10 mV RE = 360 CE (a) Calculate the following DC quantities in Fig. 29-19a: 29-4 Ves a. b. VE C. d. Vc e. VCE W
What type of transistor amplifier is shown in Fig. 29-19a? 29-3 +Vcc 15 V = 7.5 k R= 1.2 k R, C B= 100 2...
ECE 3424 Student Name & ID: An npn transistor having 1s = 10-"A and B = 100 is connected as follows: The emitter is grounded, the base is fed with a constant-current source supplying a dc current of 10 u A, and the collector is connected to a 5-V dc supply via a resistance Rc of 3 k12. Assuming that the transistor is operating in the active mode, find VBE and Vce. Use these values to verify active-mode operation. Replace...
ECE 330 Electronics Homework #4 Name: 1. Determine the r-parameters for the transistor of the figure below, and draw (15 points) signal equivalent circuit. Assume β 150 tlo Rs 10μF 2N2222A RI S 4.7 ks2 Determine all the parameters for the CE amplifier with gain stabilization shown below, using the approximate transistor model (neglecting the effect of ro) Vcc 16 V 4. (15 points) Assume β-160 Ri 30 kQ 2N3904 's100 mV Rg
ECE 330 Electronics Homework #4 Name: 1....
Consider the npn BJT with a turn-on voltage V1 = 0.70 V, and a saturation emitter-collector voltage V CE/SAT) = 0.20 V. (a) [20 points) Consider this transistor in a common- emitter circuit (Re = 0). Design this common- emitter circuit to produce the IV (Ic vs. VCE) characteristic and load line (LL) as shown in the graph. Your answers are the following: a drawing of the circuit; the values of Vcc, Rc, VBB, and Ra; and the value for...
1) Consider the following circuit with an assumption that we have the transistor in active mode. The type of circuit below is a transistor commonn-emitter circuit. You must firstly determine i) Is then secondly ii) I and finally ii) Vce. All working must be shown. Rc 1.06.12 RB w @ Bpc = 50 + Vcc 10 V + 10 ΚΩ VBB 3 V
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