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 13P
The op-amp data sheet specifies a CMRR of 300,000 and an
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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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- 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_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(a) An operational amplifier shown in Figure 1. Sketch the real circuit model of the amplifier. As a real op-amp it has the following specifications: Input resistance Output resistance Open-loop gain Rin=1MQ Ro=2002 Ao=100,000 190KQ Figure. 1arrow_forward
- In the op amp model above, open-loop gain is 106 and Vcc=12V. Suppose the inverting-input voltage is vn=90μV and the output voltage vo=5V. What is the noninverting input voltage vp (in micro-volts)?arrow_forwardCalculate the output offset voltage of the circuit shown in the figure below: The op-amp spec lists VIO = 1.2 mV.arrow_forward4. Determine the voltage gain of the non-inverting op-amp with Rf-100k and R1=4.7k02. Calculate the output voltage if the input voltage is 200mVarrow_forward
- Calculate the total offset voltage for the circuit shown below for op-amp specification values of input offset values, VIO=3.5 mV and IIO=73 nA with RF=20000 ohm and Rin=3000 ohm.arrow_forwardA certain diff-amp has a differential voltage gain of 2000 and a common-mode gain of 0.2. Determine the CMRR. 1, 10,000 O2.10,0000 O3.1000 04. 11000arrow_forwardDetermine the type of opamp circuit, the gain and the output voltage of the circuit for each of the operational amp circuits belowarrow_forward
- What 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_forwardAn op-Amp cannot be used as a current to voltage converter Select one: O a. True O b. Falsearrow_forwardFile Edit View For an operational amplifier, the common mode gain is 0.1 and the differential gain is 1000. What will be the CMRR of the opamp?arrow_forward
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Differential Amplifiers Made Easy; Author: The AudioPhool;https://www.youtube.com/watch?v=Mcxpn2HMgtU;License: Standard Youtube License