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 6P
A certain diff-amp has a CMRR of 65 dB. If the differential gain is 150, what is the common mode gain?
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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 output impedance for small-signal equivalent circuit. (R=10 k2, r. =10 k2) ER Rout O A) Rout = 3.3 ka O B) Rout = 20 ko )C) Rout = 30 ka DI Rout = 5 k0arrow_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_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
- A differential amplifier has a common mode gain of 0.2 and CMMR = 80DB. The differential mode gain is Answer:arrow_forwardIn series compensation, if the series applied voltage is in quadrature with the liner current: A. The series compensation cannot supply or absorb reactive power B. The series compensation can only supply active power C. The series compensation can only absorb active power D. The series compensation cannot supply or absorb active powerarrow_forwardA differential op-amp circuit as shown below is used to implement a given linear voltage measuring functionV = f(V,). ouf Provide answers to questions 19 – 22. ww V. V; W R out R2 Groundarrow_forward
- A single stage amplifoer has a single stage of 60. The collector load of 500 ohms and the input impedance is 1kilo ohms. Calculate the overall gain when two such stages are cascaded through R-C coupling.arrow_forwardA certain op-amp has an open-loop gain of 80,000. The maximum saturated output levels of this particular device are + 12 when the dc supply voltages are ±15. If a differential voltage of^15 mV rms is applied between the inputs, what is the peak-to-peak value of the output?arrow_forwardAn op-amp has a differential voltage gain of 2000 and a CMRR of 20000. A single-ended input signal of 250 uVrms is applied and a 0.5Vrms, 50 Hz common-mode noise sigmal appears on both inputs from the ac power line. Calculate the output voltage. Choices: a) 0.5Vrms, b) 0.7Vrms, c) 0.75Vrms, d) 1.5Vrmsarrow_forward
- 3I Calculate the the Output Voltage of a non-inverting op-amp with the following parameters Rf = 360KOhms, Vo = -9.3V, and Vi = -0.3V. a.31.2 kOhms b.32 kOhms c.12 kOhms d.31 kOHmsarrow_forwardAdiff-amp is biased with a constant-current source lo- 0.25mA that has an output resistance of R. - 8MO. The bipolar transistor parameters are B=100, VT = 0.025 V and VA -. Determine the common-mode input resistance. O a. Ricm = 538 MA O b.Ricm- 308 MO OC Ricm = 808 MO Od Ricm = 704 MQarrow_forwardA certain diff-amp has a differential voltage gain of 2000 and a common-mode gain of 0.2. Determine the CMRR and express it in decibels.arrow_forward
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Differential Amplifiers Made Easy; Author: The AudioPhool;https://www.youtube.com/watch?v=Mcxpn2HMgtU;License: Standard Youtube License