Given: i,, R1, R2, R3. Assume that the op-amp is ideal. R1 1 kN R2 R3
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Given is = 0.018 A ; R1 = 8000 ohm ; R2 = 6000 ohm and R3 = 7000 ohm
Find i1 ; v1 ; vo and io
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- Find an expression for the output voltage v, below. Assume an ideal op-amp. What mathematical operation does the circuit perform? R2 RV₁2 R₂ R₂ R₁ What do you call this OP-AMP configuration? Derive its output expression, If Rf=2k and R1=R2=R3=1k2, what is Vo?Given circuit, assume op-amp is ideal. What is the input resistance of the circuit, RIN? What are the currents in the inputs of op-amp? i-=? i+=? What is the output resistance of the circuit, ROUT=? Find voltage VA and VB? What is the nodal equation (KCL) at node VB? Solve for VOUT=?
- The following Operational Amplifier circuit is given. Analyze the circuit carefully to identify the functions (i.e., OP-AMP configurations) of each OP-Amps. Calculate the first stage output voltage Vx and then the output voltage at the output of the second stage Vo . Determine the currents I0, IF, and IX . Finally, determine the power absorbed by the resistor R7. The resistors: R2 = R4 =100KW. R1 = R3 = 10W, R5 = 10W, R6 = 90 KW. and R5 = 10W. The load resistor R7 = 10KW. The current source; I1 = 100μA and V2 = 1V.The two input terminals of an op-amp are connected to voltage signals of strength 745µV and 740µV repectively. The gain of the op-amp in common mode is 50 and CMMR is 8&IB. Calculate the output voltage and % of error due to common mode.Here is a single op-amp, shown under two different conditions (different input voltages). Determine the voltage gain of this op-amp, given the conditions shown. Also, write a mathematical formula solving for differential voltage gain (AV) in terms of an op-amp's input and output voltages. +12 V +12 V Va=1.00 V %3D Vout = 1.5 V +12 V V=1.00003 V %3D -12 V +12 V +12 V Va =1.00 V %3D Vet = 6.8 V +12 V V 1.00004 V -12 V
- Create Op-amp circuit... with:Vin= -1 Volt (DC) Vout = 14 Volt (DC) Only resistors with 1k, 3k, 5k, 7k and 11k ohms can be used while the circuit is being built. The V+ value of the LM741 IC to be used for op-amps will be 20 volts and the V- value will be -20 volts. You need to use at least one inverting amplifier and one non-inverting amplifier to build the circuit. Question: Write the gain formula of the circuit and calculate it, and write how we should find the Vout value..Discussion: 1- What kind of restrictions Non- inverting op-amp face compared to inverting op-amp? 2- State 5 different types of op amp. Demonstrate them briefly then draw the circuit diagram for each kind. 3- For an inverting op amp, if the voltage input peak equal to 10.2 V, R=10KQ and RF 2002, find Vo and the voltage gain. Assume the input signal has a sinusoidal behavior. 4- Consider an OP amp connected to the inverting configuration to realize a closed-loop gain of -50 V/V utilizing resistors o f 1 k2 and 50 kQ. A load resistance RL is connected from the output to ground, and a low-frequency sine wave signal of peak amplitude Vp is applied to the input. Let the OP amp be ideal except that its output voltage saturates at +/- 10V and its output current is limited to the range +/-15 mA. For RL = 1 k2, what is the maximum possible value of Vp while an undistorted output sinusoid is obtained?+15 V V. Ideally, when the two input terminals of an op-amp are shorted together (creating a condition of zerc differential voltage), and those two inputs are connected directly to ground (creating a condition of zero common-mode voltage), what should this op-amp's output voltage be? In reality, the output voltage of an op-amp under these conditions is not the same as what would be ideally predicted. Identify the fundamental problem in real op-amps, and also identify the best solution.
- R2 1 vo Oxford University Publishing Microelectronic Circuits by Adel S. Sedra and Kenneth C. Smith (0195323033) For the op-amp circuit above and given R1 = 10 Ohm, R2 = 5 Ohm, if the DC gain of the op-amp is only 10 (A = 10), what is the output voltage for an input voltage of 0.5V? [Give your answer in number form, no units, no unit prefixes, no commas. Answer to 3 decimal places. Be sure to include negative sign in front, if required Example: 10mV--> Answer Given: 0.010] + 3.Write (T) for truc or (F) for False for the following: 1. An ideal op-amp has very high input impedance. 2. A differential amplifier is the first stage in all op-amps. 3 If the same voltage applied to both inputs of op-amp, the mode of operation is called double-ended mode .4 A practical op-amp has non-zero output impedance. 5. In zero level detector. the output changes state when the input becomes negative. 6. An averaging amplifier with 10 inputs has the ratio of R/ R isConsider the op-amp circuit shown below. You can assume the op-amp is ideal and has an infinite gain. R, R, ovo a. What is the value of ig? A (Give your answer to 3 s.f.) b. What is the value of the inverting input voltage v1? 数字 A (Give your answer to 3 s.f.) c. Using Kirchoffs Current Law (KCL), write an equation for the output voltage vo in terms of only the input voltage v a and the values of the resistances. You are not required to submit this equation as a part of this quiz but you will need the equation in the following questions. d. Given R2 = 10.4 kN, find the value of R¡ to give a gain of -55.5. 数字 单位 (Give your answer to 3 s.f.) e. Given R1 = 4 kn and R, = 11.1 ka, find the value of the gain. 数字 (Give your answer to 3 s.f.)