op-amp & capacitor
please solve this problem
6. 76 Given the network in Fig. \(\mathrm{P} 6.76 .\)
(a) Determine the equation for the closed-loop gain \(|\mathrm{G}|=\left|\frac{v_{0}}{v_{i}}\right|\)
(b) Sketch the magnitude of the closed-loop gain as a function of frequency if \(R_{1}=1 \mathrm{k} \Omega, R_{2}=10 \mathrm{k} \Omega\), and \(C=2 \mu \mathrm{F}\).
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op-amp & capacitorplease solve this problem6.76 Given the network in Fig. P6.76. (a) Determine...
(b) If the op-amp is realized by the circuit shown in Fig. 4( find the low-frequency gain and estimate the dominant pol...
(b) If the op-amp is realized by the circuit shown in Fig. 4( find the low-frequency gain and estimate the dominant pole pi as a function of the appropriate small-signal parameters and capacitor values. The unity-gain buffer has very high input resistance and very low output resistance. Assume that the voltage gain of the 2nd stage is very large and make any appro priate approximations. Then find the expression for the unity-gain frequency assuming that it is well within the...
Find closed loop gain and i0 he circuit 8.28. For Fig. 8.58, using ideal op-amp model,...
Find closed loop gain and i0
he circuit 8.28. For Fig. 8.58, using ideal op-amp model, cal- at choice Vinl to culate the closed-loop gain . Also find io when us 1.2V. 12 0 V2 + io 20 kQ + 2.5 k2 Vo 10 k Figure 8.58
he circuit 8.28. For Fig. 8.58, using ideal op-amp model, cal- at choice Vinl to culate the closed-loop gain . Also find io when us 1.2V. 12 0 V2 + io 20 kQ...
ELEC324/624 2018 Page 4 i) (2 marks) The open-loop frequency response of the LM748 op-amp is...
ELEC324/624 2018 Page 4 i) (2 marks) The open-loop frequency response of the LM748 op-amp is shown in the figure be for two different values of the external compensating capacitor, Ci.If provides unity-gain compensation, determine the capacitance the op-amp for a closed-loop gain of 3 dB. C-30 pF required to compensat Open Loop Frequency Response 120 100 80 40 20 -20 FREQUENCY(Hx) j) (2 marks) Describe how delay in the loop of any feedback control system can seriously compromise the...
JU Oct 2017 5 Minute Test Your Understanding Quiz A compensated Op-Amp has an open-loop gain...
JU Oct 2017 5 Minute Test Your Understanding Quiz A compensated Op-Amp has an open-loop gain of 10' and a dominant pole of 8 Hz. The Op-Amp is used in a closed-loop single stage amplifier which has a low-frequency gain of 50. What is the -3 dB bandwidth of the closed-loop amplifier? Note: I know of at least two ways to solve this problem
Op-Amp Circuit Stability Although op-amps behave as single-pole amplifiers which are "uncondition...
Op-Amp Circuit Stability Although op-amps behave as single-pole amplifiers which are "unconditionally stable," it's still possible to make unstable amplifiers if you don't know what you're doing. The most famous example of this is the voltage differentiator 1. Consider the following circuit: a. Find the expression for this amplifier's ideal gain Aco (s), assuming the op-amp is ideal (a(s) - o. Hint: It's just an inverting amplifier with z and z2 R (5pts) b. Suppose the gain-setting components have values...
For the circuit shown in Fig. 4.3, the op-amp is ideal and is operating in its...
For the circuit shown in Fig. 4.3, the op-amp is ideal and is operating in its linear region. (a) Determine the transfer function H (s) = Vo(s)/Vi(s). (b) Sketch and clearly label the Bode Magnitude-Phase plot of H(jo) (Your provided two graph papers. Use the first for the magnitude plot and the second for the phase plot). (c) What filter is represented by H(s)? Explain. 400 k 2 210 S2 50 nF 160 k92 내 mto 105 2 50 nF...
Find the specifications for the 741C op amp online. Record the values for each of the...
Find the specifications for the 741C op amp online. Record the values for each of the characteristic parameters listed below. Also, discuss the significance of each parameter. A. Input Impedence . Output Impedence Maximum Gain Output Voltage Swing Short Circuit Output Current . . 1b. Explain how the voltage buffer "isolates" the input from the output, and explain why this might be useful. 1C. What is the fall-off frequency (approximate bandwidth) of a 741 op amp circuit designed with a...
is it ok to use R1=4.7Kohms and C1=330pf? And I want to know how to calculate the R2, Rsrc, and C2 tage 2:Baseband Filt...
is it ok to use R1=4.7Kohms and C1=330pf? And I want to know how
to calculate the R2, Rsrc, and C2
tage 2:Baseband Filter The filter schematic is shown in Fig. 3. Select resistor Rj and capacitor C1 so that the cut-off frequency of the filter response is below 100kHz. The input network formed by resistors Rsrc, R2 and capacitor C2 also has a low pass response that should attenuate the input Vsrc seen at the top of capacitor C2...
I want right answer Problem Design and draw a first-order op amp-RC high-pass filter with 3-dB...
I want right answer
Problem Design and draw a first-order op amp-RC high-pass filter with 3-dB frequency of 10' Hz, a high-frequency input resistance of 100 k, and a high frequency-gain magnitude of 2
A discrete-time LTI system has the system function H(z) given below:
A discrete-time LTI system has the system function \(H(z)\) given below:$$ H(z)=\frac{z^{2}}{z^{2}-\frac{1}{4}} $$(a) Sketch the pole-zero plot for this system. How many possible regions of convergence (ROCs) are there for \(H(z)\). List the possible ROCs and indicate what type of sequence (left-sided, right-sided, two-sided, finite-length) they correspond to.(b) Which ROC (or ROCs) correspond to a stable system? Why?(c) Which ROC (or ROCs) correspond to a causal system? Why?(d) Write a difference equation that relates the input to the output of...
(b) If the op-amp is realized by the circuit shown in Fig. 4( find the low-frequency gain and estimate the dominant pole pi as a function of the appropriate small-signal parameters and capacitor values. The unity-gain buffer has very high input resistance and very low output resistance. Assume that the voltage gain of the 2nd stage is very large and make any appro priate approximations. Then find the expression for the unity-gain frequency assuming that it is well within the...
Find closed loop gain and i0
he circuit 8.28. For Fig. 8.58, using ideal op-amp model, cal- at choice Vinl to culate the closed-loop gain . Also find io when us 1.2V. 12 0 V2 + io 20 kQ + 2.5 k2 Vo 10 k Figure 8.58
he circuit 8.28. For Fig. 8.58, using ideal op-amp model, cal- at choice Vinl to culate the closed-loop gain . Also find io when us 1.2V. 12 0 V2 + io 20 kQ...
ELEC324/624 2018 Page 4 i) (2 marks) The open-loop frequency response of the LM748 op-amp is shown in the figure be for two different values of the external compensating capacitor, Ci.If provides unity-gain compensation, determine the capacitance the op-amp for a closed-loop gain of 3 dB. C-30 pF required to compensat Open Loop Frequency Response 120 100 80 40 20 -20 FREQUENCY(Hx) j) (2 marks) Describe how delay in the loop of any feedback control system can seriously compromise the...
JU Oct 2017 5 Minute Test Your Understanding Quiz A compensated Op-Amp has an open-loop gain of 10' and a dominant pole of 8 Hz. The Op-Amp is used in a closed-loop single stage amplifier which has a low-frequency gain of 50. What is the -3 dB bandwidth of the closed-loop amplifier? Note: I know of at least two ways to solve this problem
Op-Amp Circuit Stability Although op-amps behave as single-pole amplifiers which are "unconditionally stable," it's still possible to make unstable amplifiers if you don't know what you're doing. The most famous example of this is the voltage differentiator 1. Consider the following circuit: a. Find the expression for this amplifier's ideal gain Aco (s), assuming the op-amp is ideal (a(s) - o. Hint: It's just an inverting amplifier with z and z2 R (5pts) b. Suppose the gain-setting components have values...
For the circuit shown in Fig. 4.3, the op-amp is ideal and is operating in its linear region. (a) Determine the transfer function H (s) = Vo(s)/Vi(s). (b) Sketch and clearly label the Bode Magnitude-Phase plot of H(jo) (Your provided two graph papers. Use the first for the magnitude plot and the second for the phase plot). (c) What filter is represented by H(s)? Explain. 400 k 2 210 S2 50 nF 160 k92 내 mto 105 2 50 nF...
Find the specifications for the 741C op amp online. Record the values for each of the characteristic parameters listed below. Also, discuss the significance of each parameter. A. Input Impedence . Output Impedence Maximum Gain Output Voltage Swing Short Circuit Output Current . . 1b. Explain how the voltage buffer "isolates" the input from the output, and explain why this might be useful. 1C. What is the fall-off frequency (approximate bandwidth) of a 741 op amp circuit designed with a...
is it ok to use R1=4.7Kohms and C1=330pf? And I want to know how
to calculate the R2, Rsrc, and C2
tage 2:Baseband Filter The filter schematic is shown in Fig. 3. Select resistor Rj and capacitor C1 so that the cut-off frequency of the filter response is below 100kHz. The input network formed by resistors Rsrc, R2 and capacitor C2 also has a low pass response that should attenuate the input Vsrc seen at the top of capacitor C2...
I want right answer
Problem Design and draw a first-order op amp-RC high-pass filter with 3-dB frequency of 10' Hz, a high-frequency input resistance of 100 k, and a high frequency-gain magnitude of 2
A discrete-time LTI system has the system function \(H(z)\) given below:$$ H(z)=\frac{z^{2}}{z^{2}-\frac{1}{4}} $$(a) Sketch the pole-zero plot for this system. How many possible regions of convergence (ROCs) are there for \(H(z)\). List the possible ROCs and indicate what type of sequence (left-sided, right-sided, two-sided, finite-length) they correspond to.(b) Which ROC (or ROCs) correspond to a stable system? Why?(c) Which ROC (or ROCs) correspond to a causal system? Why?(d) Write a difference equation that relates the input to the output of...
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