What is the power ratio (P2/P1) expressed by the value -18 dB? An OPA170 op-amp from...
A non-inverting amplifier using OP-amp is given in Figure Q4c. (8) Vout Vin 99 kN RL 1 kQ AoL = 10s Figure Q4c Amplifier has the following properties. Open loop gain is 105 Open loop output impedance is 40 N Open loop bandwidth is 10 Hz Then, calculate The closed loop voltage gain. The closed loop output impedance. The closed loop bandwidth. i) ii) iii)
Inverting Amplifier Figure 4.2 shows the fundamental configuration of Op-Amp in which it is used as an inverting amplifier. In this configuration the ratio, R2/R1 completely controls the effective gain of the amplifier and it can be verified that the output voltage is equal to Vo = - (R2/R1)Vin R2 100K Q-10V R1 Vinow 20K 1 2 7 V Vo 3 -10v Figure 4.2 Part 1 - Inverting Amp: Procedure 1. Construct the circuit of figure 4.2 using Op-Amp IC...
RI Power supply to op amp +12 V mind Vout = + 10 V sinewave Vin = + 200 mv sinewave -12 V The non-inverting amplifier is powered + 12 V and -12 V. What would happen to some outputs if the power supplies were +5 V and -5 V? How would these supplies restrict the input voltage range?
1. A high power amplifier is rated as having a gain of 36 dB. It receives an input power of 10 mW. What is the output power? 2. An electrical circuit has voltage attenuation of -3dB. Calculate Vout /Vin
JU Oct 2017 5 Minute Test Your Understanding Quiz A compensated Op-Amp has an open-loop gain of 10' and a dominant pole of 8 Hz. The Op-Amp is used in a closed-loop single stage amplifier which has a low-frequency gain of 50. What is the -3 dB bandwidth of the closed-loop amplifier? Note: I know of at least two ways to solve this problem
Assuming an ideal op-amp, design an inverting amplifier with a gain of 26 dB having the largest possible R1 value under the constraint of having to use resistors no larger than 1 MΩ. If the input voltage source of this amplifier has an internal resistance r0 = 50 kΩ, how will this affect the gain? Design a solution that will eliminate the effect of the internal source resistance without having to change the values of R1 and R2.
Q 1. An op amp with an open-loop gain of 6 x 105 and Vcc = 10V has an output voltage of 3 V. If the voltage at the inverting input is -luV, what is the magnitude of the noninverting-input voltage? (5 points) Q2. The supply voltage of the op amp in the circuit of Figure 1 is 16 V. If R = 3kN, assign a resistance value to Rf so that the circuit would deliver 75 mW of power...
Two power amplifier outputs P1=10 W and P2=20 W. What are two power outputs in terms of dBm? What is their ratio P1 / P2 in dB?
Build an Op-Amp Circuit Network. Note you only have a power source of 5V available. You have a voltage signal that latches at a constant 1.5V. Create a difference circuit to produce an output voltage of 2V. Put P/Ns and element values in your design. Show your work. From part a)’s output voltage, assign that now as a reference voltage (Vref) to compare to an analog sensor signal (Vin) that can range between 0V – 5V. Make sure your circuit...
(b) If the op-amp is realized by the circuit shown in Fig. 4( find the low-frequency gain and estimate the dominant pole pi as a function of the appropriate small-signal parameters and capacitor values. The unity-gain buffer has very high input resistance and very low output resistance. Assume that the voltage gain of the 2nd stage is very large and make any appro priate approximations. Then find the expression for the unity-gain frequency assuming that it is well within the...