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- DESIGN AND SIMULATION OF A TWO-STAGETRANSISTOR AMPLIFIER USING LTSPICE TWO-STAGE INVERTING AMPLIFIER VOLTAGE GAIN ≥ 300 A. SCHEMATIC WITH COMPONENT VALUESB. SCHEMATIC OR CIRCUIT DISCUSSIONCalculate the output voltage of an op-amp summing amplifier for the followingsets, consider Rf=1Mna. V1=+1v, V2=+2v, V3=+3v, Ri=R2, R3=500Ω b. V1=+1v, V2=+2v, V3=+3v, Ri-500kΩ, R2=1MΩ, R3=1MΩFigure Q. 3(b) shows an op amp circuit for linear amplifier application. (i) Determine the value of current I3.(ii) Find the value of R if the output current, Io is given as 2 mA.(iii) Explain what will happen to output voltages, V01 and V02 if the supplyvoltages, +VCC and -VCC are connected to +10V and -10V.
- 3G Problem 1. (P1) Three op-amps are connected in cascade configuration. An 80 microVolts signal is connected to the non-inverting input of the first op-amp. Both the 2nd and 3rd op-amps operates as inverting amplifiers. All feedback resistors are 420 KOhms while the input resistances are 71.4kOhms, 19.1kOhms, and 14KOhms respectively. Determine the output voltage of the second stage stage. a.-2640 mV b.-26.4 mV c.-1.2 mV d.26 VAs a maintenance engineer in a semiconductor company, you are given a task to replace the current version of dc-biasing circuit for a faulty tester machine. This dc-biasing circuit used an n-channel JFET as shown in Figure 2. Re-design a new dc-biasing circuit using an n-channel D-MOSFET that can produce a similar output current, IDQ as the previous circuit. Your tasks are: (i) Calculate the operating point (IDQ and VGSQ) of the dc-biasing circuit in Figure 2. Then sketch the JFET network transfer curve (ID and VGS). (ii) Without changing the circuit configuration, calculate the values of source resistor, RS and RB to achieve this objective. Determine the commercial value of the new RS and RB. For cost reduction reason, the values of RD, RA and VDD should be maintained. The chosen D-MOSFET has a maximum drain current of 8 mA and gate-source cutoff voltage of – 15V. The new RS value should be 3 times larger than the old RS used in the JFET network to compensate for the high…3ZD Calculate the output voltage of an op-amp if a 100mV signal is applied to the non-inverting input of the op-amp circuit which has an Rf = 0 Ohms and Ri = 0 Ohms. a.Infinity Volts b.0 Volts c.1 Volts d.-2 Volts
- For the circuit in Figure A2, Vs = 6.7 V, Rout = 300 kΩ and RL = 100 kΩ. The operational amplifier is connected to DC voltages of +/- 12 V as the positive and negative voltage supply. Calculate the voltage across the load resistance RL.Calculate the voltage of an inverting op-amp summing amplifier for the following sets of resistors. Use Rf = 1 MΩ in all casesa) V1 = 1V, V2 = 2V, V3 = 3V, R1 = 500 kΩ, R2 = 1MΩ, R3 = 1 MΩb) V1 = -2V, V2 = 3V, V3 = 1V, R1 = 200 kΩ, R2 = 500 kΩ, R3 = 1 MΩ1. Give an example of how the traditional current-mode DAC will have limited output swing. 2. Show the detailed derivation of Eqs. (30.12)-(30.14).
- Determine the overall Voltage Gain Av and Current Gain of the circuit below given = 100, gm = 20 us, IDss = 10 mA and Vp = - 4V.Calculate the output voltage of an op-amp summing amplifier for the given values of voltages and resistors. Use Rf = 1 MΩ. V1 = 5.84V V2 = 8.47V V3 = 8.25V R1 = 482kΩ R2 = 0.58MΩ R3 = 1.31MΩ QUICKLYDetermine the output voltage of an op amp amplifier circuit with the following parameters: Differential voltage gain = 4522CMRR = 631Vi1 = 659 mV Vi2 = 659 mV Vi1 and Vi2 are in phase and have the same frequency. \ QUICKLY