The OpAmp configured below , the voltage gain, A, is given as:
A. A = -Rf/R1
B. A = +Rf/R1
C. A =- (R1 +Rf/R1
D. A = 1 + Rf/R1
This is nothing but a inverting amplifier and we know voltage gain for this as -
A = V0/Vi = -Rf/R1
The OpAmp configured below , the voltage gain, A, is given as: A. A = -Rf/R1...
3) Find the output voltage for the circuit shown below. Rf 10K +12V DC R1 Vaw 2.2K IC1 UA741 Vb R2 W 2.2K -12V DC R3 Z RL 10K Fig 1 Differential amplifier using one opamp
1) For the bridge opamp circuit in the figure, find the total voltage gain expression Vo/Vin when the opamps are not saturated. (20p) When Vin (4th) (2001Tt) signal is applied to the input and R1 = R4 = 10K, R2 = R3 = 20K resistance values are selected, draw a single period of the Vo output signal by specifying its time and amplitude values. R2 +12V R1 Vin 1-12V RL Vo +12V -12V WW R3 R4
In the figure below, if Rf 470 kohm and Ri 5 kohm, what is the voltage gain? ww o Vout Vin O + (b)
1) Calculate the closed-loop voltage gain ACL for the given circuit. 2) Calculate the output voltage Vout in the circuit. (VPP) Required information In the circuit below: Ri = 7.5 k2 and RF = 82 k12. SR = 0.5 V/us Avol = 100,000 RE Zout/OL) = 7502 funity = 1 MHz WW R +15 V 741 + ) Vin = 1 VP-P Vout -15 V
1) Calculate the closed-loop voltage gain ACL for the given circuit. 2) Calculate the output voltage Vout in the circuit. (VPP) Required information In the circuit below: Ri = 7.5 k2 and RF = 82 k12. SR = 0.5 V/us Avol = 100,000 RE Zout/OL) = 7502 funity = 1 MHz WW R +15 V 741 + ) Vin = 1 VP-P Vout -15 V
3) Opamp Frequency Response An opamp comprises 2 voltage gain stages; cach yields a gain of 500. The 3 dB roll- off frequencies of the 2 gain stages are at 40 Hz and 10 MHz, respectively a) What is the approximate value of the unity-gain frequency FuG of this opamp? (Hint: consider the asymptotic Bode plot). 3) Opamp Frequency Response An opamp comprises 2 voltage gain stages; cach yields a gain of 500. The 3 dB roll- off frequencies of...
Problem # 3 For the summing opamp circuit, assume that the opamp is powered with +15V and-15V. The input voltages are VI and V2 and the output voltage is Vout. Rf 15 V U1 R1 R2 Vout 741 V2 (A -15 V 1. Find the relation between the output Vout and the inputs VI and V2 2. Assume that RI-2kS2, R2-3 ㏀ and Rf-6kS2, Vin is a sinewave with viinpp-2V, V2DC- IV, plot Vin() and Vout(0) 3. Assume that you...
S2* Find the differential equation for Vo in the opamp circu is ideal with infinite gain. it below. Assume the opamp Vs(t) R1 Vol(t)
Practice [25%] The circuit shown left below is a waveform generation circuit, which consists of an integrator and a bistable multi-vibrator. The triangle symbol represents a unity-gain inverting amplifier such that V1 -v3 . R1-3k1, R2-2kQ, R3-1 ka, and C 0.1μF. The opamps are ideal except that they saturate at +10V and-10V. Be careful that the opamp in the bistable multi-vibrator is configured in a positive feedback way (a) On your answer book, sketch the output (v2) versus the input...
what is the equation for actual voltage gain? I know nominal voltage=-Rf/R