1. The op amp in this circuit is ideal. R3 has a maximum value of 100 kn and σ is restricted to the range of 0.2 ≤ o ≤ 1.0. 2k92 ww + 50ΚΩ www +7V -7V OR3 - R3 + Vo 10kΩ a. Calculate the range of vo if v1 = 40 mV. b. Ifo is not restricted, at what value of σ will the operational amplifier saturate?
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- I. An op amp has a GBP of 10°. A 0.3 µV sinusoidal signal at 5 KHz is required to be amplified to 5 V. Calculate the gains and draw the schematic circuit to achieve this. II. K type thermocouple having a range of 0– 350 °C and a sensitivity of 40 uV/°C. The signal is connected to an instrumentation amplifier before interfacing it with 5V analog to digital converter. Design a suitable instrumentation amplifier circuit. Vsupply thermocouple Vout Instruni op Amp ADC DoutFor this op amp, an equation needs to be made for V0 = Va + Vb. I thought it was -4(Va) + 4(Vb) as the difference, but that doesn't seem to be correct. The voltage limits for the output voltage are -0.8 V less than or equal to Vo less than or equal to 3.2 V. Can you show how to set up the equation for V0?For the op amp circuit shown below, what is Vout for the V1 plot shown. Plot the results: (Provide your calculations and reasoning for your answer.) U1 Vout OUT OPAMP C1 R1 2u 10k V1 Input Voltage to Circuit 4 3.5 3 2.5 2 15 0.5 > -05 0 20 10 15 25 30 -1 -15 -2 -2.5 -3 -3.5 -4 Time (msec) %24 (A) TA
- Q1) Using the following input waveform shown in Figure 1, sketch the corresponding output waveform for each op amp circuit shown in Figure 1(a through d). Assume ideal op amp behavior. 30 441 wwwww 25 AG 10 pF 100 k www (6) 1,0 330 www 10 LQ www 51.02 540 M 530 www 10 KO orThe op amp in the circuit in the figure is ideal. The dc signal source has a value of 840 mV. Part A Find the Thévenin voltage of the equivalent circuit with respect to the output terminals a, b. Express your answer with the appropriate units. ANSWER: VTh= RTh= Part C What is the output resistance of the inverting amplifier? Express your answer with the appropriate units. ANSWER: V Th Part B Find the Thévenin resistance of the equivalent circuit with respect to the output terminals a, b. Express your answer with the appropriate units. ANSWER: Ro= 1.6 ΚΩ www + 24 ΚΩ ww + 15 V -15 V RTh Va a b3) Derive an expression for the gain of the following circuit. Show working. What is the name of this circuit? 10 μF 100 kQ V O o Vout in Using the following input waveform, sketch the corresponding output waveform for the above circuit. Assume ideal op amp behavior. Vin: V1, V2 1 4 sec -1 -2 volts
- I. Design a suitable op amp circuit to implement the following equation: dv. f = 6(2V, – 4V2) – 3 V, + 2- dt II. An op amp has a GBP of 10°. A 0.8 uV sinusoidal signal at 10 KHz is required to be amplified to 5 V. Calculate the gains and draw the schematic circuit to achieve this.Vin R 1₁ www www- R 1₂ R wwwwwwww + Vo If the non-inverting terminal of the op-amp in the figure is grounded find Vo/Vin. Show details of your work.Use the figure below for the following questions. R = 10\OmegaR=10Ω and V_{in}Vin is a 5V DC source that can provide a maximum of 1 mA of current. The op-amp is ideal. What is I_{out}Iout in milliamps? If the buffer is removed and the source is connected directly to R, what is V_oVo in volts?
- 1. An op amp has a GBP of 10. A 0.3 uV sinusoidal signal at 5 KHz is required to be amplified to 5 V. Calculate the gains and draw the schematic circuit to achieve this. II. K type thermocouple having a range of 0- 350 °C and a sensitivity of 40 uV C. The signal is connected to an instrumentation amplifier before interfacing it with 5V analog to digital converter. Design a suitable instrumentation amplifier circuit. Vsupply thermocouple Vout Instrum op Amp Dout ADCA silicon photodiode is connected to an op-amp as indicated. Under an illuminance of 500 lux, the photocurrent Ip is 80 nA. I R = 1MQ w out Write down the values of 11, 12 and Ip. From these values, deduce the output voltage. Briefly describe how this circuit works. c) Will this circuit work under sunlight? The illuminance of sunlight is about 100,000 lux. You may assume the photocurrent respond linearly with incident light flux, and the op-amp is powered between 9V alkaline cell. (i.e., V+ = 9V, V¯ at ground).Assume that the op amp in the circuit shown is ideal. How large can Rx be before the amplifier saturates?