Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Chapter 18, Problem 5TFQ
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Whether the given statement is true or false.
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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?
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op-amp differentiator in Figure below for the 4s v
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2.2 k
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The input offset voltage of the op-amp is dependent on the CMRR and the common-mode signal.
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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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- Ideal characteristics of op-amparrow_forwardanswer those questions (True and False).. Please answer all subpart I will like it please only true or false.. please all..arrow_forwardWhat will be the CMRR of an opamp if the value of the common mode gain is 100 and the value of the difference gain is 106?arrow_forward
- 4. 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_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_forwardIn an ideal op-amp, which is not true? a) Open loop voltage gain is infinite b) Input resistance is infinite c) Slew rate is infinite d) CMRR is zeroarrow_forward
- When an Op-Amp is used as a differentiator, the input signal is fed into the input through capacitor and the input is grounded. O a. inverting, feedback O b. Inverting, non-inverting O. Non-inverting, inverting O d. Feedback, slew ratearrow_forwardCalculate 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_forwardAn op-Amp cannot be used as a current to voltage converter Select one: O a. True O b. Falsearrow_forward
- The 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_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_forwardFor the op-amp shown in the following figure, the midrange voltage gain is equal to- Vo 3 kn Select one: Oa-26.7 Ob-27.7 c. 27.7 d. 26.7 80 kf marrow_forward
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