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 11P
A certain op-amp has a CMRR of 250,000. Convert this to decibels.
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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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- -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_forward3ZK If the output of a differentiator op-amp is -cos(wt) then the input is a.-sin (wt) b.none of the above c.sin (wt) d.cos (wt)arrow_forwardFor the tuned oscillator, assume ideal op-amp: derive the oscillation conditions, find the frequency of oscillation, determine the minimum value of R, required given R,+R,=10kn R2ミ10oK R= 5K R3E C= 0.01 uF L=i0m R4arrow_forward
- 2! Cal Culate and draw the out put signal for inverting op amp år cuit if Vin =3Sint-2 Rf=4K Please draw the signal for output voltages R1 =1Karrow_forwardFor an opamp, differential gain is 10000 times more than the common mode gain. Express the CMRR of the opamp in dB.arrow_forwardCalculate the gain and voltage output of the op amp. an op amp with a resistor, RIN, of 1KQ and a resistor, RF of 10KN, the input voltage is 5V in magnitude. Re RIN VIN OM VoUTarrow_forward
- The characteristic of an op-amp that tells how fast the output voltage changes is called O gain bandwidth product O slew rate O noise margin O propagation delayarrow_forwardGiven a inverting op-amp with Vin= 1Vpk,1kHz and Rin=1kΩ , Rf=10kΩ, VEE=-5V, VCC= 5V, Explain the output waveform, voltage gain, and it's phase.arrow_forwardThe open-loop gain of a certain op-amp is 175,000. Its common-mode gain is * .0.18. Determine the CMRR in decibels 150 dB O 130 dB O 140 dB O 120 dB Oarrow_forward
- 1. Determine the CMRR and express it in decibels for an amplifier with a differential voltage of 8500 and a common-mode gain of 0.25. 2. Determine the CMRR and express it in dB for an op-amp with an open-loop differential voltage gain of 85,000 and a common-mode gain of 0.25. 3. When a pulse is applied to an op-amp, the output voltage goes from -8 V to +7 V in 0.75 µs. What is the slew rate? 4. Differentiate the working principle of differential and operational amplifier and its operation. Discuss your answer in at least 5 sentences.arrow_forwardDetermine v0 and i0 in the Cascaded Op-Amp circuit belowarrow_forwardFor an opamp, the CMRR is 75 dB. If the differential gain is 4000, then what will be the common mode gain?arrow_forward
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