a) Design a non-inverting amplifier (see Fig. 5.13) with a gain of 6, using a 75K? resistor in thefeedback path. Draw your final circuit diagramb) Suppose you wish to amplify input signals in the range -2.5 VSv,s 1.5 V What are theminimum values of the power supplies that will keep the op amp in its linear operating region?RR,•+VccR,-Vcc

a) The voltage at inverting and non inverting terminal is the same for the ideal op-amp.…

a) Design a non-inverting amplifier (see Fig. 5.13) with a gain of 6, using a 75 K? resistor in the feedback path. Draw your final circuit diagram b) Suppose you wish to amplity input signals in the range-2.5 Vs v, s 1.5 V What are the minimum values of the power supplies that will keep the op amp in its linear operating region? R R, •+Vcc R, -Vcc

a) Design a non-inverting amplifier (see Fig. 5.13) with a gain of 6, using a 75 K? resistor in the feedback path. Draw your final circuit diagram b) Suppose you wish to amplity input signals in the range-2.5 Vs v, s 1.5 V What are the minimum values of the power supplies that will keep the op amp in its linear operating region? R R, •+Vcc R, -Vcc

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Question 5 a) Identify any FOUR assumptions commonly made in the analysis of operational amplifier circuits, related to the 'ideal operational amplifier and briefly explain how each one can aid in circuit analysis. b) Derive from first principles, appropriate expressions related to an inverting amplifier circuit for: - i) Voltage Gain ii) Input impedance c) Figure Q5 shows a two-stage instrumentation circuit with two inputs A and B, plus a single output VOUT. R2 40k R1 U1 10k R3 R5 10k 40k + A R4 U2 5k + В 88 8 VOUT Volts Figure Q5 Redraw the circuit as a block diagram. (Allowed block types are input, output, amplifier and summing junction.)
What is the maximum peak-to-peak output voltage for a 741 op-amp with ±15 V power supplies? How small a load resistance will this amplifier drive with its output at the maximum level? ANSWER: Rmin = 560 ohms
6. Show the connection of two 741 op-amp stages to provide outputs that are 15 and -30 times larger than the input. Use a feedback resistor, Rf = 150 kQ, in all stages.
An op-amp is connected to power supplies so that its Vcc value is 15V. It has an open-loop gain of 8 x 106 V/V, and the non-inverting input is 1 µV. If the output voltage is equal to 2V, what is the magnitude of the voltage connected to the inverting terminal?
Practise 1
The circuit shown in Fig. 4 provides transfer characteristics with +7.5 V levels at the output vo. When v 0 V, a current of 0.5 mA flows in the feedback resistor (R2) and a current of 1.0 mA flows through the zener-diodes. Assume that the output saturation levels of the op-amp are ±12.0 V, the forward-drop voltage of the zener-diode is 0.7 V, and the value of R, is equal to R2. a) Specify the zener-voltages of the zener diodes. b) Find the values of all resistors. R2 R1 R Z Z, Fig. 4
Perform the block diagram given on the side using an op-amp.
A- Prove that the efficiency of class-B power amplifier is n = VL(P)*78.53%. Vcc
2. Suppose we have an op-amp that is powered by a ±15 V supply (assume Vout max is ±14V), and has a maximum output current of 50 mA. The maximum slew rate of the op amp is 107 V/s. In the circuit below where Vin=5sin(100t). a. What would the output voltage Vout be if the op amp were ideal? b. Compute and draw the actual output voltage if a load resistor of Rload=100 N is attached to Vout. Vin ww 1 ΚΩ ww 4 ΚΩ + +15V Op-Amp -15V Vout