Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Textbook Question
Chapter 18, Problem 15P
How long does it take the output voltage of an op-amp to go from -10 V to +10 V if the slew rate is
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Given the four statements, which of the following statements are true about an op-amp
integrator?
i. For an op-amp integrator with R = 100KOhms, C
waveform, the output waveform is a cosine waveform.
10UF and a sine wave input
%3D
ii. For an op-amp integrator with R = 100KOhms, C
waveform, thc output waveform is a squarc wave.
10UF and a triangular input
%3D
%3!
iii. For an op-amp integrator with R = 100KOhms, C
waveform, the output waveform is a sawtooth waveform.
= 10UF and a sine wave input
%3D
iv. For an op-amp integrator with R 100KOhms, C 10uF and a square wave input
waveform, the output waveform is a triangular waveform.
Oi, ii, i
O i, ii, iv
O i iv
O ii, ii
Consider Figure 65. Compute for the minimum value of R3 if R₁ = R₂= 51kohms, C₁-C₂-0.001uF and
R4=115.07kohms to start the oscillation.
R3=
kohms
+Vcc
Op-amp
Output
sinusoidal
signal
-VEE
S=
4,1
Figure 65
K₂
Calculate current gain, input and output impedance, and linearity.
Beta = 90
IS = 2E-15
Chapter 18 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 18 - When a diff-amp has identical signals on both...Ch. 18 - A high CMRR for a diff-amp means the common-mode...Ch. 18 - Prob. 3TFQCh. 18 - The open-loop voltage gain of an op-amp is also...Ch. 18 - Prob. 5TFQCh. 18 - Prob. 6TFQCh. 18 - In a voltage-follower, the open-loop and...Ch. 18 - Prob. 8TFQCh. 18 - Prob. 9TFQCh. 18 - If the feedback resistor in an amplifier is open,...
Ch. 18 - Which characteristic docs not necessarily apply to...Ch. 18 - In selecting an op-amp. suppose you have several...Ch. 18 - Prob. 3STCh. 18 - Prob. 4STCh. 18 - Prob. 5STCh. 18 - Prob. 6STCh. 18 - Prob. 7STCh. 18 - Prob. 8STCh. 18 - If you know an op-amp's open-loop gain and nothing...Ch. 18 - Prob. 10STCh. 18 - Prob. 11STCh. 18 - The highest possible input resistance is achieved...Ch. 18 - Compare a practical op-amp to an ideal op-amp.Ch. 18 - Two IC op-amps are available to you. Their...Ch. 18 - Identify the type of input and output...Ch. 18 - Prob. 4PCh. 18 - A certain diff-amp has a differential gain of 60...Ch. 18 - A certain diff-amp has a CMRR of 65 dB. If the...Ch. 18 - Identify the type of input mode for each op-amp in...Ch. 18 - Show the common-mode input in Figure 18-37 in an...Ch. 18 - Determine the bias current, IBIAS, given that the...Ch. 18 - Distinguish between input bias current and input...Ch. 18 - A certain op-amp has a CMRR of 250,000. Convert...Ch. 18 - The open-loop gain of a certain op-amp is 175,000....Ch. 18 - The op-amp data sheet specifies a CMRR of 300,000...Ch. 18 - Figure 18-38 shows the output voltage of an op-amp...Ch. 18 - How long does it take the output voltage of an...Ch. 18 - Identify each of the op-amp configurations in...Ch. 18 - For the amplifier in Figure 18-40. determine the...Ch. 18 - Determine the closed-loop gain of each amplifier...Ch. 18 - Find the value of Rf that will produce the...Ch. 18 - Find the gain of each in amplifier in Figure...Ch. 18 - If a signal voltage of 10 mV applied to each...Ch. 18 - Determine the approximate values for each of the...Ch. 18 - Determine the input and output resistances for...Ch. 18 - Repeat Problem 23 for each circuit in Figure...Ch. 18 - Repeat Problem 23 for each circuit in Figure...Ch. 18 - Prob. 26PCh. 18 - Prob. 28PCh. 18 - Prob. 29PCh. 18 - Prob. 30PCh. 18 - Prob. 31PCh. 18 - Prob. 32P
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- Questions 1 The operational amplifier (op-amp) in Figure 1 is an ideal op-amp with maximum output voltage, vo(max) is +12 V and the minimum output voltage, vo(min) is -12 V. A sine wave with +5V peak-to-peak voltage is applied as the input, vin as shown. R. RE Voltage (V) GND 10- Vin R2 Vin Vo Time 0.5 -5 -10- 1 1.5 (ms) GND Figure 1 For each of the following conditions, derive or explain the relationship between output voltage, vo and input voltage, Vin, and then draw the input and output voltage waveforms on same graph. Label the x-axis, y-axis, peak voltages and units. a) R1 = R2 = R3 = 10 kQ and RF = 3R1. b) R2 = R3 = 10 kn, RF = 3R2 and R1 is broken (open circuit). c) R1 = R2 = R3 = 1O kN and Re is broken (open circuit). d) R; = R2 = 10 kQ, RF = 3R1, R3 is broken (open circuit) and the op-amp's inverting and non-inverting terminals are accidently interchanged where node 'x' is connected to the non-inverting input while node 'y' is connected to the inverting input of the op-amp.arrow_forwardDesign an integrator using an op-amp. The output voltage should be a sine wave with 5V(peak-to-peak) andthe input voltage should be a triangular wave with10V(peak-to-peak) (1ms).arrow_forwardGiven a inverting op-amp with Vin= 1Vpk,1kHz and Rin=1kΩ , Rf=10kΩ, VEE=-5V, VCC= 5V, Explain the output waveform, why does the wave became square (Blue wave).arrow_forward
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