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5) Refer to the given figure. A dc input signal of-50 mV is applied. You would...
QUESTION4 Total 24 Marks] For the amplifier circuit shown in Figure 4, assume the input signal...
QUESTION4 Total 24 Marks] For the amplifier circuit shown in Figure 4, assume the input signal V has zero DC component. Assume both transistors have p-100. (a) State the type of feedback topology used in the amplifier circuit and which type of 12 marks] amplifier is shown in the figure. (b Determine the DC voltages at all nodes of transistors Q1 and Q2. and the DC currents 18 marks] at the emitters of transistors Q1 and Q2 (c) Use the...
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...
refer to figure 3. in this circuit, vos is biased correctly for proper operation. this means...
refer to figure 3. in this circuit, vos is biased correctly
for proper operation. this means that vos is
d. 360 ZU. Kefer to Figure 4. Assuming midpoint biasing, if VGS +20V 4V, the value of Re that will provide RD 2.2k2 C Vout MiVin - 0.13F Bm = 4 0 ms IDSS = 10 mA {Rs a 1 100 M - 2 T0.1 uF Figure 4 a. 600 22 c. 80 2 b. 1.2 k2 d. 800 22 21....
1) Explain briefly about the differential amplifier with a neat diagram. (2Marks) ii) Consider the summing...
1) Explain briefly about the differential amplifier with a neat diagram. (2Marks) ii) Consider the summing operational amplifier shown below. The resistances on the inputs are both 50 k12, and the feedback resistance is also 50 k12. If the input signal voltages are 66 mV and -85 mV, determine the output voltage, (2 Marks) R = 502 Roy - 50 kn R250 kn O V-66 m peak V-85 mV peak V. Output voltage ii) The input resistance of an inverting...
8.) In the OP amp circuit shown in Figure 8 , determine the value of resistor...
8.) In the OP amp circuit shown in Figure 8 , determine the
value of resistor R2 needed to establish an input trip point
voltage of 6.75 Volts ( i.e. when input signal voltage V in exceeds
6.75 V the OP amp’s output voltage changes state ) . ( 60 pts )
R2 = _______________
If the OP AMP in Figure 8 was biased by DC voltages of + / - 15
Volts , and the value of resistor R2...
1. Given i(t) Cut) Figure 2.1: Step voltage applied to a series RLC circuit. (a) Verify...
1. Given i(t) Cut) Figure 2.1: Step voltage applied to a series RLC circuit. (a) Verify that the differential equation for v(t) is found as dt2 L dt LC LC (b) If v(0)-5 V and i(0)-OA. find the voltage response, u(t), for t >0 when v, 5V, R#330 n, L-100 mil, C., 0.1uF (c) Now suppose we replace the 5 V source in our circuit with a squarewave as shown below: w(t) Figure 2.2 From the response of v(t) that...
3. In Figure 3, the DC operating point for BJT Q, is Ici = 170 uA...
3. In Figure 3, the DC operating point for BJT Q, is Ici = 170 uA and VCE = 4 V, and the DC operating point for BJT 02 is Ic2 = 240 A and VCE2 = 3 V. Both Q1 and Q2 have B = 100, VA-75 V at the room temperature. Assume that all the capacitors have infinite values, and all the resistors have the values as indicated in Figure 3. (a) (b) Determine the voltage gain 4....
The silicon diode shown in the given figure is described by ip = I. (ed/- 1)...
The silicon diode shown in the given figure is described by ip = I. (ed/- 1) where at T = 300 K, 1. = 250 x 10-12 A, VT = KT 26 mV, vs = Vs + V3 = 4.2V + 110 cos(wt) mV,w = 377 rad/s, and R = 10 ko. The DC operating (quiescent) point Q and the AC small-signal equivalent resistance at Q are as follows: IDQ = 0.548 mA, VDQ = 0.365 V, and ra =...
1. You want a gain of -8/5 V/V-1.6 VN on the input ac signal labeled Vi....
1. You want a gain of -8/5 V/V-1.6 VN on the input ac signal labeled Vi. (I know it's a strange value for gain, but just go with it.) (By the way, Vi has a zero DC offset.) Find R1 and R2 if the smaller of the two should be 500 k-ohms. (HINT: Use superposition by grounding VDC to figure this out. You can probably do this in your head.) 2. Now, you also want the output to have a...
An input signal: vi (t)-5cos(100mt+20 ) + 5 cos(400π t + 60 ) [V] is applied...
An input signal: vi (t)-5cos(100mt+20 ) + 5 cos(400π t + 60 ) [V] is applied to a first order high pass RL filter with break frequecyf 100 [Hz/The filter contains one resistor and one inductor connected in series. The output signal will have the form Vout(t)-Vi cos( 100 π t + Φ) + V2 cos(400 π t + Φ) [vj a) Calculate values for the amplitudes and phase angles for each of the components of the output signal, and...
QUESTION4 Total 24 Marks] For the amplifier circuit shown in Figure 4, assume the input signal V has zero DC component. Assume both transistors have p-100. (a) State the type of feedback topology used in the amplifier circuit and which type of 12 marks] amplifier is shown in the figure. (b Determine the DC voltages at all nodes of transistors Q1 and Q2. and the DC currents 18 marks] at the emitters of transistors Q1 and Q2 (c) Use the...
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...
refer to figure 3. in this circuit, vos is biased correctly
for proper operation. this means that vos is
d. 360 ZU. Kefer to Figure 4. Assuming midpoint biasing, if VGS +20V 4V, the value of Re that will provide RD 2.2k2 C Vout MiVin - 0.13F Bm = 4 0 ms IDSS = 10 mA {Rs a 1 100 M - 2 T0.1 uF Figure 4 a. 600 22 c. 80 2 b. 1.2 k2 d. 800 22 21....
1) Explain briefly about the differential amplifier with a neat diagram. (2Marks) ii) Consider the summing operational amplifier shown below. The resistances on the inputs are both 50 k12, and the feedback resistance is also 50 k12. If the input signal voltages are 66 mV and -85 mV, determine the output voltage, (2 Marks) R = 502 Roy - 50 kn R250 kn O V-66 m peak V-85 mV peak V. Output voltage ii) The input resistance of an inverting...
8.) In the OP amp circuit shown in Figure 8 , determine the
value of resistor R2 needed to establish an input trip point
voltage of 6.75 Volts ( i.e. when input signal voltage V in exceeds
6.75 V the OP amp’s output voltage changes state ) . ( 60 pts )
R2 = _______________
If the OP AMP in Figure 8 was biased by DC voltages of + / - 15
Volts , and the value of resistor R2...
1. Given i(t) Cut) Figure 2.1: Step voltage applied to a series RLC circuit. (a) Verify that the differential equation for v(t) is found as dt2 L dt LC LC (b) If v(0)-5 V and i(0)-OA. find the voltage response, u(t), for t >0 when v, 5V, R#330 n, L-100 mil, C., 0.1uF (c) Now suppose we replace the 5 V source in our circuit with a squarewave as shown below: w(t) Figure 2.2 From the response of v(t) that...
3. In Figure 3, the DC operating point for BJT Q, is Ici = 170 uA and VCE = 4 V, and the DC operating point for BJT 02 is Ic2 = 240 A and VCE2 = 3 V. Both Q1 and Q2 have B = 100, VA-75 V at the room temperature. Assume that all the capacitors have infinite values, and all the resistors have the values as indicated in Figure 3. (a) (b) Determine the voltage gain 4....
The silicon diode shown in the given figure is described by ip = I. (ed/- 1) where at T = 300 K, 1. = 250 x 10-12 A, VT = KT 26 mV, vs = Vs + V3 = 4.2V + 110 cos(wt) mV,w = 377 rad/s, and R = 10 ko. The DC operating (quiescent) point Q and the AC small-signal equivalent resistance at Q are as follows: IDQ = 0.548 mA, VDQ = 0.365 V, and ra =...
1. You want a gain of -8/5 V/V-1.6 VN on the input ac signal labeled Vi. (I know it's a strange value for gain, but just go with it.) (By the way, Vi has a zero DC offset.) Find R1 and R2 if the smaller of the two should be 500 k-ohms. (HINT: Use superposition by grounding VDC to figure this out. You can probably do this in your head.) 2. Now, you also want the output to have a...
An input signal: vi (t)-5cos(100mt+20 ) + 5 cos(400π t + 60 ) [V] is applied to a first order high pass RL filter with break frequecyf 100 [Hz/The filter contains one resistor and one inductor connected in series. The output signal will have the form Vout(t)-Vi cos( 100 π t + Φ) + V2 cos(400 π t + Φ) [vj a) Calculate values for the amplitudes and phase angles for each of the components of the output signal, and...
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