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 11ST
To determine
To identify: The closed loop gain of a noninverting amplifier given the feedback factor.
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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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- A circuit consist of two cascaded opamp amplifiers, If the gain of first stage is 6.7 and the gain of the second stage is 3. Then the total voltage gain A, isarrow_forwardNegative feedback added to an op-amp it decreases the bandwidth and decreases the gain. Select one: O True O Falsearrow_forwardQUESTION 2o A certain noninverting amplifier has an Rị of 5.152 kQ and an Rf of 30.894 k The closed-loop gain isarrow_forward
- a) For an opamp, the input bias current Ib =60uA and the input offset current lio= 10uA Find the input base currents l and I b) Design an opamp circuit with the following output: Vo = - Vin/4 + 2 For the circuit given below Given :Vin-0.2V, Vsat= 12V Identify (name) the circuit (stage 1 and 2) O Find the output voltage Vo and the current through the load 4kn 0 Find Vo if the resistor 2kn opens 10 Stage Stage 2 Vo Vinarrow_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_forwardQ6 Calculate the output voltage of a non- inverting op-amp if the feedback resistance Rf is 7.5KQ, input resistance R1 is 2.5KQ and the input *.signal is 100 mV Vin oVout 0.6 V O 1 V 0.8 V 0.4 V Oarrow_forward
- Fill in the blanks A 741 is an op-amp with AV=200,000 and CMRR=90 dB The common voltage gain is equal to (two decimal places) If the desired and common mode signal each has a value of 1V, the output voltage is kV. (whole number)arrow_forwardThe gain of the instrumentation amplifier IA is 800. Determine the gain of the circuit V. / VIN? Select one: 30 k2 O a. 160.0 Ob. 0.0 E IA Oc. 0.2 Od. 800.0 20 k2 80 kL Oe.arrow_forward1. The input signal in Figure 1(a) is applied to the comparator in Figure 1(b).Draw the output showing its proper relationship to the input signal. Assume the maximum output levels of the comparator are (+/-)12 V. Values of R₁ and R₂ are as follows. (a) R₁ = 8 K Ohm, R₂ = 12 K Ohm (b) R₁ = 12 K Ohm, R₂ = 8 K Ohm n Figure 1(a) 5 V- Vin 0 2. Find Output Voltage Vour for the circuit in figure - 2, below. R₁ VINI = +1 VOM 100 K Ohm R₂ VIN2 = +2 VOM 200 K Ohm R3 VIN3+3 VC www 300 K Ohm R4 VIN4+4 VO www 400 K Ohm R₂ www 50 K Ohm +10 Volt Figure - 2 Figure 1(b) VOUT Voutarrow_forward
- Write a formula for Vout Input (Vin) +ve Op-amp R1 R2 Out 77770V (b) Non-inverting dc amplifierarrow_forwardIt is the average of the two de currents that flows into the inverting and non- inverting inputs of an op-amp. O Input Bias Current O Input Offset Current O Quiescent Operating Current Feedback Currentarrow_forwardWhat is the output peak voltage during the positive alternation of the input signal for the circuit shown below? •.. Vị 1+20V + Si vi 1.Ok Vo 5 V -20V A) 24.3 V B - 5 V - 24.3 V D) - 4.3 Varrow_forward
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