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2. (33 points) (a) Find the DC collector current of the amplifier (b) Find the input...
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
1 (70 points) In the following multi-stage amplifier input and output of the amplifier as well as...
1 (70 points) In the following multi-stage amplifier input and output of the amplifier as well as the feedback resistance (RF) were AC coupled to nodes through the coupling capacitances (Ce-100uF). W/L)2 55/0.25u VAA R2 M1 Xin R, VI M2 Ri Ro a. (20 points) Calculate the bias currents of IpS,MI, IDS M2, IR2 and the total DC power consumption of the circuit assuming Ro Determine the operation regions of the transistors. (20 points) Find the type and polarity of...
Problem 1.50 Design an amplifier that provides 0.5 W of signal power to a 100 Ω...
Problem 1.50 Design an amplifier that provides 0.5 W of signal power to a 100 Ω load resistance. The signal source provides a 30 mV rms signal and has a resistance of 0.5 M2. There types of voltage- amplifier stages are available: A) A high-input-resistance type with Ri': 1 Mn, Avo-: 10, and Rout-: 10 kn B) A high-gain type with Rin 10 k2, Apo-100, and Rout 1 k2. C) A low-output-resistance type with Rin 10 kn, Avo 1, and...
c) In estimating DC imperfections (input offset voltage, input offset current and the inverting amplifier with...
c) In estimating DC imperfections (input offset voltage, input offset current and the inverting amplifier with nominal gain of -100 using 1 current) of an op-map, an and 10MQ resistors is implemented using the op-amp as shown in Fig 2(a) below R2 10MQ R 100k Vi Vo Figure 2(a): Inverting amplifier Measurements are conducted on the output voltage of the inverting amplifier under the following conditions: (i) the input (V) is open circuited and the output voltage is found to...
3. In Figure 3 on page 5, the DC operating point for the PNP transistor Qi...
3. In Figure 3 on page 5, the DC operating point for the PNP transistor Qi is Ic = 0.33 mA and Vec = 2.4 V, and the DC operating point for the NMOS transistor Mi is ID = 2.81 mA and Vos = 2.92 V. Qı has B = 100, VA = 85 V at room temperature and Mi has Kn= 1 mA/V2, Vin= 1 V and 2 = 0.02 V-1. Assume that the capacitors have infinite values, and...
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...
i just need help with B, C, D 3) (24 pts) The BJT amplifier shown below....
i just need help with B, C, D
3) (24 pts) The BJT amplifier shown below. Please answer the following questions. Consider that B=150 VBE=0.75 V and VT-25mV a) What type of amplifier is this? (Select One) CE CE with RE CB b) Find the DC collector current Ic c) Find the transconductance gain gm d) Find the internal small signal voltage gain Au e) Find the input resistance of the small signal amplifier 1) Find the output resistance of...
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...
Question 4: Figure 4 In the series-shunt feedback amplifier shown in Figure 4, the transistors are...
Question 4: Figure 4 In the series-shunt feedback amplifier shown in Figure 4, the transistors are biased with ideal current-sources 1, 0.1mA, 12 1mA, the devices operate with VE0.7V and t = 100. The input signal V, has a zero DC component. Resistances are (a) If the open loop gain is large, what do you expect the closed-loop gain A, -V/V, to be? Give both an expression and its approximate value (b) Find the DC emitter current in each of...
1. For the cascade amplifier of the figure, calculate the polarization voltages and current colle...
For the cascade amplifier of the figure, calculate the
polarization voltages
Please clarity answer, thanks!!
1. For the cascade amplifier of the figure, calculate the polarization voltages and current collector of each stage. Also, calculate the voltage gain for each stage and the total voltage gain for cascade amplifier. 2. Repeat the previous steps using a load resistance of 2.2 kΩ 3. Calculate the input and output impedances for the cascade amplifier and the cutoff frequencies (fi) for the cascade...
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
1 (70 points) In the following multi-stage amplifier input and output of the amplifier as well as the feedback resistance (RF) were AC coupled to nodes through the coupling capacitances (Ce-100uF). W/L)2 55/0.25u VAA R2 M1 Xin R, VI M2 Ri Ro a. (20 points) Calculate the bias currents of IpS,MI, IDS M2, IR2 and the total DC power consumption of the circuit assuming Ro Determine the operation regions of the transistors. (20 points) Find the type and polarity of...
Problem 1.50 Design an amplifier that provides 0.5 W of signal power to a 100 Ω load resistance. The signal source provides a 30 mV rms signal and has a resistance of 0.5 M2. There types of voltage- amplifier stages are available: A) A high-input-resistance type with Ri': 1 Mn, Avo-: 10, and Rout-: 10 kn B) A high-gain type with Rin 10 k2, Apo-100, and Rout 1 k2. C) A low-output-resistance type with Rin 10 kn, Avo 1, and...
c) In estimating DC imperfections (input offset voltage, input offset current and the inverting amplifier with nominal gain of -100 using 1 current) of an op-map, an and 10MQ resistors is implemented using the op-amp as shown in Fig 2(a) below R2 10MQ R 100k Vi Vo Figure 2(a): Inverting amplifier Measurements are conducted on the output voltage of the inverting amplifier under the following conditions: (i) the input (V) is open circuited and the output voltage is found to...
3. In Figure 3 on page 5, the DC operating point for the PNP transistor Qi is Ic = 0.33 mA and Vec = 2.4 V, and the DC operating point for the NMOS transistor Mi is ID = 2.81 mA and Vos = 2.92 V. Qı has B = 100, VA = 85 V at room temperature and Mi has Kn= 1 mA/V2, Vin= 1 V and 2 = 0.02 V-1. Assume that the capacitors have infinite values, and...
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...
i just need help with B, C, D
3) (24 pts) The BJT amplifier shown below. Please answer the following questions. Consider that B=150 VBE=0.75 V and VT-25mV a) What type of amplifier is this? (Select One) CE CE with RE CB b) Find the DC collector current Ic c) Find the transconductance gain gm d) Find the internal small signal voltage gain Au e) Find the input resistance of the small signal amplifier 1) Find the output resistance of...
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...
Question 4: Figure 4 In the series-shunt feedback amplifier shown in Figure 4, the transistors are biased with ideal current-sources 1, 0.1mA, 12 1mA, the devices operate with VE0.7V and t = 100. The input signal V, has a zero DC component. Resistances are (a) If the open loop gain is large, what do you expect the closed-loop gain A, -V/V, to be? Give both an expression and its approximate value (b) Find the DC emitter current in each of...
For the cascade amplifier of the figure, calculate the
polarization voltages
Please clarity answer, thanks!!
1. For the cascade amplifier of the figure, calculate the polarization voltages and current collector of each stage. Also, calculate the voltage gain for each stage and the total voltage gain for cascade amplifier. 2. Repeat the previous steps using a load resistance of 2.2 kΩ 3. Calculate the input and output impedances for the cascade amplifier and the cutoff frequencies (fi) for the cascade...
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