Considering the operational amplifier circuit below, the values of R1=20KO, R2=1KO, R3=20KO and Ra=1KO. If V1=7 V and Vz=5, then the output voltage Vu equals R3 R2 V1 W Vout V20 R1
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- In the inverting intellectual operational amplifier circuit, R1 = 40k, R2 = 100K, R3 = 10k, R4 = 20k and R5 = 5k. Find the value of the output voltage v0 when the voltages are applied to the inputs of the circuit.The following amplifier (consider the case with a R_L load) consists of a channel JFET n. In the amplifier, the value of the DC source ({+ V} DD = 20 V) and of all resistors (shown in the schematic) and capacitors ( C1= C2= 20 µF) is known. At the same time, the JFET has the following specifications: IDSS= 10 mA and Vp= -3.5 V. The output resistance of the JFET is r_d = infinityΩ.AC analysis:The input signal VS is a small sinusoidal signal, at the same time it oscillates at a medium frequency, in such a way that the response is not affected by the capacitances. Get the circuit in small signal and do all the necessary procedure / demonstration. To determine:A) The transconductance gm at the operating point.B) The small signal equivalent circuit drawn conveniently.Vos impact on 2 ampOps For the above circuit, determine the LITERAL equation of the output voltage (Vo) as a function of the input voltage (Vin) and the offset voltage of amplifier AO1 (Vos1). Consider the AO2 amplifier to be ideal.
- An amplifier has an open-circuit voltage gain of 1000, an input resistance of 20 kΩ and an output resistance of 2 Ω. A signal source with an internal resistance of 10 kΩ is connected to the input terminals of the amplifier. An 8-Ω load is connected to the output terminals. Find the voltage gains Avs=Vo/Vs and Av=Vo/Vi. Also, find the power gain and current gain.The open-loop gain of an amplifier is described by A(s) = 4×1013π2 (s+2π ×103)(s+2π ×104) (a) Will this amplifier be stable for a closed-loop gain of 4? (b) What is the phase margin?Design a inverting amplifier having Rin=10kΩ and Rf=25kΩ, calculate Vo and current in the resistor 25KΩ. For a) Vi=0.5V b)Vi= 1V
- a) What is Vo in terms of Va and Vb? b) What is Vo when Va = 10Vand Vb = 6V? c) What is Vo when Va = 2V and Vb = 8V? d) What is the Va range of values when Vb = 3V that avoids op amp saturation? e) What type of op amp circuit is this?What would be the Q-point currents in M4 and M5 in the amplifier as shown if VDD = VSS = 16 V, I2 = 250 μA, RG = 7 kΩ, RL = 2 kΩ, and VT N = 0.75 V, VT P = −0.75 V, Kn = 5 mA/V2, and Kp = 2 mA/V2?With the given circuit, you are tasked to do the ff: a. Write the node-voltage equations (where there must be one for eac input terminal of the op amp) b. The load current can be expressed as iL = AVin + BVL b.1 What is the expression for A? b.2 What should be the condition of resistors R1, R2, R3, & R4, so that B is zero? (which means this condition will allow iL depend only on Vin and not on RL)
- The circuit in Figure below is a BJT common collector amplifier. Obtain expressions for both the voltage gain (AV = Vout / Vin) and the current gain (AI = Iout / I in). Assume Vin >> VBE please need steps explanation so I can understand and learn. thanks in advance Please in typing format pleaseWhat are the gain Av, input resistance, and output resistance of the three stage amplifier as shown (a) if R2 = 68 kΩ and R1 = 2.7 kΩ?Determine the expression of output voltage for inverting summing amplifier consisting of four internal resistors? (Assume the value of internal resistors to be equal) Vo = (RF/R)×(Va +Vb+Vc+Vd) Vo = -(Rf/R )×(Va +Vb+Vc+Vd) Vo = (R/ RF)×(Va +Vb+Vc+Vd) none be of above