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 1ST
Which characteristic docs not necessarily apply to an op-amp:
- high gain
- low power
- low output resistance
- high input resistance
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What are the characteristics of an ideal op amp
An op-Amp cannot be used as a current to voltage converter
Select one:
O a. True
O b. False
Determine the type of opamp circuit, the gain and the output voltage of the circuit for each of the operational amp circuits below
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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- Am I correct in saying this inverting amp gain is 10 and the expected voltage out is 10 or am I wrong and how am I wrong?arrow_forwardWhat must the voltage at the inverting input of the op-amp be? What is the voltage drop across Rin? What is the input current, iin, through Rin? What is the output voltage vout?arrow_forwardcompare a practical op-amp to an ideal op-amparrow_forward
- An Op-amp has a slew rate of 5 V/microsec. The largest sine wave output voltage possible at a frequency of 1 MHz is ?arrow_forwardAdvantages of Inverting and Non-inverting Op Amparrow_forwardii. The slew rate of an op-amp is defined as the: (i) Maximum rate of change of output voltage with time(ii) Minimum rate of change of output voltage with time(iii) Moderate rate of change of output voltage with time(iv) None of the abovearrow_forward
- With zero volts on both inputs, an OP-amp ideally should have an output.... 1. equal to the positive supply voltage 2. equal to the negative supply voltage 3. equal to zero 4. equal to CMRR ......….....arrow_forwardi. The saturation voltage an op-amp is primarily controlled by(i) power supply (+Vcc and -Vcc)(ii) open-loop gain of the op-amp(iii) common mode gain (iv) slew ratearrow_forwardThe midrange open-loop gain, "Aol(mid)" of a certain op-amp is 80,000. If the open-loop critical frequency is 1 kHz, what is the open-loop gain, "Aol" at each of the following frequencies? (a)100 Hz (b) 1 MHzarrow_forward
- Calculate the total offset voltage for the circuit shown below for op-amp specification values of input offset values, VIO=2.8 mV and IIO=110 nA with RF=14000 ohm and Rin= 3000 ohm.arrow_forwardFor the op-amp shown in the following figure, the purpose of R1 and R2 is- R2 R1 Select one: O a. to set input impedance O b. to set input impedance and voltage gain O c for bias current compensation O d. for input offset voltage compensation.arrow_forward10 V(p-p),1KHz sinusoidal voltage is applied to op-amp input and non-inverting input isgrounded. What is the gain of this op-amp and why?arrow_forward
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