(a) Determine current I in the circuit below. 10Ω 40 Ω 30 Ω 60 Ω 352 +1 5Ω 25 Ω 50 V 10 Ω 10 Ω
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- 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 VCreate 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..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.
- You are hired as a technical consultant to model, design and analyze an efficient DC-DC buck converter for a solar PV battery charger as shown in the below figure. PV DC-DC Battery system Converter | MPPT algorithm Charge controller Given the following specifications for the design and analysis of a DC-DC Buck Converter: An input voltage of 15V < Vin < 20V and an output of Vout = 10V over a load range of 5w < Pout < 200W. Switching frequency is few = 500kHz. a) Design the inductor (L) and capacitor (C). The current ripple AiL should be below 5% of the average inductor current IL at the maximum load. The steady state ripple AVout is below 0.5 % of the steady-state value of the output voltage. For the designed L, find the value of Iout,crit at the boundary of DCM and CCM and then Plot Iout,crit vs. Vin . b) Design the rated values for switch, diode, and capacitor. Research and determine a manufacturer part number for your switch, diode, and capacitor. Provide data sheets for each. c)…1- Mention any two advantages of Integrated Circuit . 2- For the circuit given below : Vin is a sine wave Vinpp=6 V and Vref=-2.4 V , Assume Vsat=±12V Name the circuit and draw the input and output waveforms . Vin Vref 3- Explain why open-loop op-amp configurations are not used in linear applications? Draw the block diagram of opamp and define the function of each blockAs an Electronic Engineer in XYZ Analog IC Design Centre, you are required to design Operational Amplifiers (Op-Amp). Based on combination of ideal Op-Amp as illustrated in Figure Q3 (b), derive the output voltages Vo1, V02, V03, and V04. If V₁ = 4 V and V2 = 2 V, determine V04. R Vio-W V₂0- 2R ww R R R __ Voi R R 3R V03 Voz Figure Q3 (b) 2R ww 4R M 2R R V04
- In a Wheatstone bridge, leg 1 is an active strain gage of Advance alloy and 120 ohms resistance, leg 4 is a similar dummy gage for temperature compensation, and legs 2 and 3 are fixed 120-ohm resistors. The maximum gage current is to be 0.030 amp. a. What is the maximum permissible d-c bridge excitation voltage? (Use this value in the remaining parts of this problem.) b. If the active gage is on a steel member, what is the bridge output voltage per 1,000 psi of stress? c. If temperature compensation were not used, what bridge output would be caused by the active gage increasing temperature by 100F° if the gage is bonded to steel? What stress value would be represented by this voltage? Thermal-expansion coefficients of steel and Advance alloy are 6.5 X 10-6 and 14.9 X 10-6 in./(in.-F°), respectively. The temperature coefficient of resistance of Advance is 6 X 10-6 ohm/ (ohm-Fº). d. Compute the value of a shunt calibrating resistor that would give the same bridge output as 10,000-psi…The two input terminals of an op-amp are connected to voltage signals of strength 754µV and 740µV repectively. The gain of the op-amp in differential mode is 50 and CMMR is 80 dB. Calculate the output voltage and % of error due to common mode.If the ideal design for op-Amp circuit generate 200 mV at the output, Then practically with 26 mV offset voltage the output voltage of the circuit will be equal to .............. mV
- Example 07: For the circuit shown in the figure, calculate the output voltage when 1- R1 = R2 R3 = R4 = 100n 2- R1 = R2 = R3 = 1002 and R4 = 1202 Consider the circuit use an ideal Op-Amp and its resistances do not load the bridge circuit. 12K ww 10K 10K 12K 10VSemi-ideal OpAmps – If we have an opamp with FINITE gain A, solve for the voltage gain Vout/Vin. Recall that the semi- ideal op-amp (finite gain) has the equation, Vout = A(V*-V) No current flows into V* and V. RS 7 Vin Vout OUT R1 6 R23. Design an op-amp circuit that can perform this operation: Vo = 2 -V1 + 2V2. %3D 1. Circuit Diagram 2. Calculation with Assumptions