8.10 Differential amplifiers are often used inconjunction with Wheatstone bridge circuits. Considerthe bridge shown in Figure P8.10, where each resistoris a temperature sensing element, and its change inresistance is directly proportion to a change intemperature that is, AR= a(+AT), where the signis determined by the positive or negative temperaturecoefficient of the resistive element.a. Find the Thévenin equivalent that the amplifiersees at point a and at point b. Assume thatJAR? « Ro.b. If JAR| = KAT, with Ka numerical constant, findan expression for vout (AT), that is, for Vout as afunction of the change in temperature.100 k2Ro-|AR ,R, -|AR|10 VRo-|AR|R =1 k2100 k2

(a) The equivalent circuit as seen from the inverting terminal of the op-amp is,

Answered: 8.10 Differential amplifiers are often…

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...

See similar textbooks

Similar questions

8b Design a non-inverting amplifier with a gain of 10 by using standard resistors. The input signal is in the range 0V to +500mV. The amplifier is to drive a resistive load
8.23 Find an expression for the gain of the circuit of Figure P8.23. 1/6 F ww O Vout 1/6 F,
Perform an ac analysis. Represent the amplifier by its ac equivalent circuit and discuss the input resistance at the base and the output resistance. (You can draw the circuit by hand on paper and can paste the image)
Provide a detailed explanation on differential amplifier circuits explain how these circuits work. explain input biasing ,offset current, output offset voltage, common-mode gains,and common-mode rejection-ratio (CMRR). also list possible sources of error that can occur when conducting a differential amplifier circuit experiment.
give short answer in 15 minutes i will give positive feeback
Four voltage sources of 3 V, 4V, 2V and 3V respectively are to be applied to the input terminal/terminals of “an" inverting amplifier. Design two different circuits for the two different cases with justified explanation and selection of proper resistances as per the requirements below: a) When an output of 4V is required (with phase shift). b) When an output of 8V is required (without phase shift) Note: Only inverting amplifier/amplifiers to be used for each case and all the voltage sources are to be used for each individual design as required in a) and b). 2.
Problem In the lectures, we discussed how to use an NPN BJT as an emitter follower. In the circuit below, the emitter follower is connected to a non-ideal voltage source V with a source resistance R Assume beta = 100, V = 0.7 V, V = OV. BE CE,sat a. If R = 0 and V = 3 V, determine the value of V. S b. If R = 5k and V = 3 V, determine the value of V. S = 5k , determine the value of V that will cause the BJT to start c. If R saturating. +5V Rs Vs O- M 550 V₂ R₁=1K
8. 7. For 3 cascaded amplifier stages, each with noise figure of 3 dB and power gain of 10 dB, determine the total noise figure.
8.21 Differential amplifiers are often used in conjunction with the Wheatstone bridge. Consider the bridge shown in Figure P8.21, where each resistor is a temperature-sensing element and the change in resistance is directly proportional to a change in temperature that is, AR = a (+AT), where the sign is determined by the positive or negative temperature coefficient of the resistive element. a. Find the Thévenin equivalent that the amplifier sees at point a and point b. Assume that |AR? « R. b. If JAR| = KAT, with K a numerical constant, find an expression for vout (AT), that is vaut as a function of change in temperature. 100 ka R- JAR Rot JAR| ww 10 V R+|A| Vout 100 ka R =1 ka
An op-amp has the open-loop frequency responseshown in Figure 8.37 in the text. What is theapproximate bandwidth of a circuit that uses theop-amp with a closed-loop gain of 75? What is thebandwidth if the gain is 350?
8.59 The Zener regulator shown in Figure P8.59 holds the load voltage at V = 14 V. Find the range of load resistance R, for which regulation can be obtained if the Zener diode is rated at 14 V, 5 W. 10 £2 www 50 V 2012 ww Figure P8.59 R₂
An operational amplifier consisting of three cascaded stages has a voltage gain of 3500. The gain of the first two stages is known to be -5 and -900. What is the voltage gain of the last stage and which type of MOSFET amplifier would you prefer for this stage?

SEE MORE QUESTIONS

Recommended textbooks for you

Introductory Circuit Analysis (13th Edition)

Electrical Engineering

ISBN:

9780133923605

Author:

Robert L. Boylestad

Publisher:

PEARSON

Delmar's Standard Textbook Of Electricity

Electrical Engineering

ISBN:

9781337900348

Author:

Stephen L. Herman

Publisher:

Cengage Learning

Programmable Logic Controllers

Electrical Engineering

ISBN:

9780073373843

Author:

Frank D. Petruzella

Publisher:

McGraw-Hill Education

Introductory Circuit Analysis (13th Edition)

Electrical Engineering

ISBN:

9780133923605

Author:

Robert L. Boylestad

Publisher:

PEARSON

Delmar's Standard Textbook Of Electricity

Electrical Engineering

ISBN:

9781337900348

Author:

Stephen L. Herman

Publisher:

Cengage Learning

Programmable Logic Controllers

Electrical Engineering

ISBN:

9780073373843

Author:

Frank D. Petruzella

Publisher:

McGraw-Hill Education

Fundamentals of Electric Circuits

Electrical Engineering

ISBN:

9780078028229

Author:

Charles K Alexander, Matthew Sadiku

Publisher:

McGraw-Hill Education

Electric Circuits. (11th Edition)

Electrical Engineering

ISBN:

9780134746968

Author:

James W. Nilsson, Susan Riedel

Publisher:

PEARSON

Engineering Electromagnetics

Electrical Engineering

ISBN:

9780078028151

Author:

Hayt, William H. (william Hart), Jr, BUCK, John A.

Publisher:

Mcgraw-hill Education,

SEE MORE TEXTBOOKS