Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Question
Chapter 19, Problem 11ST
To determine
The correct option for the feedback loop conditions.
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Find the type of the feedback in the
given circuit.
Vcc
Vo
Cc
(A) Voltage - series
(B) Current series
(C) Current shunt
(D) Voltage shunt
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Rc
Cc
The type of the feedback in this circuit is:
VDD
M5 M6
X
Vino M3
Select one:
MAH
Iss
Laser
WI
a. shunt-series feedback
lout
O b. shunt shunt
O c. series-series feedback
O d. series-shunt feedback
RM
5. The open-loop gain of a certain op-amp is 175,000. Its common-mode gain is 0.18. Determine the CMRR in decibels.
6. An op-amp datasheet specifies a CMRR of 300,000 and an A, of 90,000. What is the common-mode gain?
Chapter 19 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 19 - A comparator will have a positive output whenever...Ch. 19 - Prob. 2TFQCh. 19 - Prob. 3TFQCh. 19 - Prob. 4TFQCh. 19 - Prob. 5TFQCh. 19 - The output of a Wien-bridge oscillator is a...Ch. 19 - A Wien-bridge oscillator uses both positive and...Ch. 19 - A two-pole filter has a maximum roll-off rate of...Ch. 19 - Prob. 9TFQCh. 19 - Prob. 10TFQ
Ch. 19 - Prob. 1STCh. 19 - To use a comparator for zero-level detection, the...Ch. 19 - Prob. 3STCh. 19 - Prob. 4STCh. 19 - The gain of the amplifier in Question 4 is -1 -2.2...Ch. 19 - To convert a summing amplifier to an averaging...Ch. 19 - Prob. 7STCh. 19 - Prob. 8STCh. 19 - The feedback path in an op-amp differentiator...Ch. 19 - Prob. 10STCh. 19 - Prob. 11STCh. 19 - Prob. 12STCh. 19 - Determine the output level (maximum positive or...Ch. 19 - A certain op-amp has open-loop gain of 80,000. The...Ch. 19 - Prob. 3PCh. 19 - Determine the output voltage for each circuit in...Ch. 19 - Determine the following in Figure 19—62: VR1 and...Ch. 19 - Find the value of Rf necessary to produce an...Ch. 19 - Find the output voltage when the input voltages...Ch. 19 - Determine the values of the input resistors...Ch. 19 - Determine the rate of change of the output voltage...Ch. 19 - A triangular waveform is applied to the input of...Ch. 19 - Prob. 11PCh. 19 - Calculate the resonant frequency of a lead-lag...Ch. 19 - Determine the JFET drain-to-source resistance in...Ch. 19 - Explain the purpose of D1 in Figure 19-66.Ch. 19 - Find the frequency of oscillation for the...Ch. 19 - What type of signal does the circuit in Figure...Ch. 19 - Prob. 17PCh. 19 - Determine the number of poles in each active...Ch. 19 - Calculate the critical frequencies for the filters...Ch. 19 - Determine the bandwidth and center frequency of...Ch. 19 - Determine the output voltage for the series...Ch. 19 - If R3 in figure 19-70 is doubled, what happens to...Ch. 19 - Prob. 23PCh. 19 - A series voltage regulator with constant-current...Ch. 19 - If R4 (determined in Problem 24) is halved, what...Ch. 19 - In the shunt regulator of Figure 19-72, when the...Ch. 19 - Assume that IL remains constant and VIN increases...Ch. 19 - Open file P19-29; files are found at...Ch. 19 - Open file P19-30 and determine if there is a...
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- Determine the feedback voltage value in a negative feedback amplifier with A=100, ß =0.03, and input signal voltage = 40mv.arrow_forwardQ) What is the type of negative feedback in the given circuit * Vc Rc Rg RE O Voltage shunt feedback Current series feedback O Current shunt feedback O Voltage series feedbackarrow_forward1- Explain the difference between differentiators and integrators and give one application for each. 2- Draw a practical differentiator circuit that overcomes the drawbacks of an ordinary differentiator circuit.arrow_forward
- Questions: 1. What are the problems of basic integrator circuit? Draw an improved integrator circuit and show how it can overcome the drawbacks of the basic circuit. 2. What are the problems of basic differentiator circuit? Draw an improved differentiator circuit and show how it can overcome the drawbacks of the basic circuit.arrow_forward6. Refer to the RC Phase-shift Oscillator below. A Vin R₁ + Rf 6.a. Derive the feedback factor formula for this circuit. 6.b. Draw the output waveform. C C mm C Vout wwwwwarrow_forward3X An op-amp diffrentiator circuit differs from the integrator in that it: a.is not as useful b.has capacitor as feedback loop c.has a scale factot of -1/RC d.has inductive reactance at the inputarrow_forward
- The type of the feedback in this circuit is: VDD lin M X Rp1 M₁ Select one: O a. series-shunt t feedback O b. shunt-shunt O c. series-series feedback O d. shunt-series feedback - Voutarrow_forward-60m It is the the maximum frequency that an op-amp may operate which depends on both the bandwidth (BW) and slew rate (SR) parameters of the op-amp. O Cut-off frequency O Unity Gain Bandwidth O Unity Gain Frequency O Maximum Signal Frequencyarrow_forwardQ) The Current Shunt feedback amplifier has Zi = 300 Q,and Zo = 400 Q without feedback, the expected input and output impedance with feedback are: * O Zi = 200 Q, Zo = 200 Q O (b) Zo= 250 Q, Zi = 3500 %3D O (c) Zi= 400 Q, Zo = 450N O (d) Zo= 500 Q, Zi = 250 Qarrow_forward
- An op-amp differentiator circuit is configured as having a O capacitor as the input element and resistor as the feedback element capacitor as the feedback element and diode as input element O resistor as the input element and capacitor as the feedback element O capacitor as the feedback element and diode as input elementarrow_forwardFind the type of the feedback in the given circuit. Vcc Rc Cc Vo Сс V. (A) Voltage- series (B) Current-series (C) Current shunt (D) Voltage shunt (a) Voltage-Series (b) Current-Series (c) Current-Shunt (d) Voltage-Shuntarrow_forwardIn the figure below find the all variable feedback amplifier if hfe is equal to 100 and hie is equal too 1K. if Rs = 2Kohm Vcc 10 K 100 K ww R' R wwarrow_forward
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Current feedback amplifiers - Overview and compensation techniques; Author: Texas Instruments;https://www.youtube.com/watch?v=2WZotqHiaq8;License: Standard Youtube License