Microelectronic Circuits (The Oxford Series in Electrical and Computer Engineering) 7th edition
7th Edition
ISBN: 9780199339136
Author: Adel S. Sedra, Kenneth C. Smith
Publisher: Oxford University Press
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Chapter 2.6, Problem 2.21E
To determine
To sketch:Transfer characteristic
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OP-AMPS
Derive the value of Vout in terms of V1, V2, R1, R2, Rf in
the circuit below.
V1
R1
1k2
1V
U1
Vout
V2
R2
HI w
1k2
2
1V
741
Rf
1kQ
Semi-ideal OpAmps – If we have an opamp with FINITE
gain A, solve for the voltage gain Vout/Vin. Recall that the semi-
ideal op-amp (finite gain) has the equation, Vout = A(V*-V)
No current flows into V* and V.
RS
7
Vin
Vout
OUT
R1
6
R2
2. In the circuit below, assume R1=R2 = 1k0 and Rg = Rf = 10kQ Vcc= -VEE = 20V
Vo
a. Find the differential gain,
V2-V1
b. Assuming that the op-amp is rail-to-rail (Vout can go all the way to the power supply), what is
the largest difference in voltage (V2-V1) that will be properly amplified by this circuit?
R1
V1. M
R2
ww
Rf
Chapter 2 Solutions
Microelectronic Circuits (The Oxford Series in Electrical and Computer Engineering) 7th edition
Ch. 2.1 - Prob. 2.1ECh. 2.1 - Prob. 2.2ECh. 2.1 - Prob. 2.3ECh. 2.2 - Prob. D2.4ECh. 2.2 - Prob. 2.5ECh. 2.2 - Prob. 2.6ECh. 2.2 - Prob. D2.7ECh. 2.2 - Prob. D2.8ECh. 2.3 - Prob. 2.9ECh. 2.3 - Prob. 2.10E
Ch. 2.3 - Prob. D2.11ECh. 2.3 - Prob. 2.12ECh. 2.3 - Prob. 2.13ECh. 2.3 - Prob. 2.14ECh. 2.4 - Prob. 2.15ECh. 2.4 - Prob. D2.16ECh. 2.4 - Prob. 2.17ECh. 2.5 - Prob. 2.18ECh. 2.5 - Prob. D2.19ECh. 2.5 - Prob. D2.20ECh. 2.6 - Prob. 2.21ECh. 2.6 - Prob. 2.22ECh. 2.6 - Prob. 2.23ECh. 2.6 - Prob. 2.24ECh. 2.6 - Prob. 2.25ECh. 2.7 - Prob. 2.26ECh. 2.7 - Prob. 2.27ECh. 2.7 - Prob. 2.28ECh. 2.8 - Prob. 2.29ECh. 2.8 - Prob. 2.30ECh. 2 - Prob. 2.1PCh. 2 - Prob. 2.2PCh. 2 - Prob. 2.3PCh. 2 - Prob. 2.4PCh. 2 - Prob. 2.5PCh. 2 - Prob. 2.6PCh. 2 - Prob. 2.7PCh. 2 - Prob. 2.8PCh. 2 - Prob. 2.9PCh. 2 - Prob. 2.10PCh. 2 - Prob. 2.11PCh. 2 - Prob. D2.12PCh. 2 - Prob. D2.13PCh. 2 - Prob. D2.14PCh. 2 - Prob. 2.15PCh. 2 - Prob. 2.16PCh. 2 - Prob. 2.17PCh. 2 - Prob. 2.18PCh. 2 - Prob. 2.19PCh. 2 - Prob. D2.20PCh. 2 - Prob. 2.21PCh. 2 - Prob. 2.22PCh. 2 - Prob. 2.23PCh. 2 - Prob. 2.24PCh. 2 - Prob. 2.25PCh. 2 - Prob. D2.26PCh. 2 - Prob. 2.27PCh. 2 - Prob. 2.28PCh. 2 - Prob. D2.29PCh. 2 - Prob. 2.30PCh. 2 - Prob. 2.31PCh. 2 - Prob. 2.32PCh. 2 - Prob. D2.33PCh. 2 - Prob. D2.34PCh. 2 - Prob. D2.35PCh. 2 - Prob. 2.36PCh. 2 - Prob. D2.37PCh. 2 - Prob. D2.38PCh. 2 - Prob. D2.39PCh. 2 - Prob. D2.40PCh. 2 - Prob. D2.41PCh. 2 - Prob. D2.42PCh. 2 - Prob. 2.43PCh. 2 - Prob. D2.44PCh. 2 - Prob. D2.45PCh. 2 - Prob. D2.46PCh. 2 - Prob. D2.47PCh. 2 - Prob. D2.48PCh. 2 - Prob. 2.49PCh. 2 - Prob. 2.50PCh. 2 - Prob. D2.51PCh. 2 - Prob. D2.52PCh. 2 - Prob. 2.53PCh. 2 - Prob. 2.54PCh. 2 - Prob. 2.55PCh. 2 - Prob. D2.56PCh. 2 - Prob. 2.57PCh. 2 - Prob. 2.58PCh. 2 - Prob. 2.59PCh. 2 - Prob. 2.60PCh. 2 - Prob. D2.61PCh. 2 - Prob. 2.62PCh. 2 - Prob. 2.63PCh. 2 - Prob. 2.64PCh. 2 - Prob. 2.65PCh. 2 - Prob. 2.66PCh. 2 - Prob. D2.67PCh. 2 - Prob. 2.68PCh. 2 - Prob. D2.69PCh. 2 - Prob. 2.70PCh. 2 - Prob. D2.71PCh. 2 - Prob. 2.72PCh. 2 - Prob. 2.73PCh. 2 - Prob. 2.74PCh. 2 - Prob. 2.75PCh. 2 - Prob. D2.76PCh. 2 - Prob. 2.77PCh. 2 - Prob. 2.78PCh. 2 - Prob. 2.79PCh. 2 - Prob. D2.80PCh. 2 - Prob. 2.81PCh. 2 - Prob. D2.82PCh. 2 - Prob. D2.83PCh. 2 - Prob. 2.84PCh. 2 - Prob. 2.85PCh. 2 - Prob. D2.86PCh. 2 - Prob. 2.87PCh. 2 - Prob. 2.88PCh. 2 - Prob. 2.89PCh. 2 - Prob. 2.90PCh. 2 - Prob. 2.91PCh. 2 - Prob. D2.92PCh. 2 - Prob. D2.93PCh. 2 - Prob. 2.94PCh. 2 - Prob. 2.95PCh. 2 - Prob. 2.96PCh. 2 - Prob. 2.97PCh. 2 - Prob. 2.98PCh. 2 - Prob. D2.99PCh. 2 - Prob. D2.100PCh. 2 - Prob. 2.101PCh. 2 - Prob. 2.102PCh. 2 - Prob. 2.103PCh. 2 - Prob. 2.104PCh. 2 - Prob. 2.105PCh. 2 - Prob. 2.106PCh. 2 - Prob. 2.107PCh. 2 - Prob. 2.108PCh. 2 - Prob. 2.109PCh. 2 - Prob. 2.110PCh. 2 - Prob. 2.111PCh. 2 - Prob. 2.112PCh. 2 - Prob. 2.113PCh. 2 - Prob. 2.114PCh. 2 - Prob. 2.115PCh. 2 - Prob. D2.116PCh. 2 - Prob. D2.117PCh. 2 - Prob. D2.118PCh. 2 - Prob. 2.119PCh. 2 - Prob. 2.120PCh. 2 - Prob. 2.121PCh. 2 - Prob. 2.122PCh. 2 - Prob. 2.123PCh. 2 - Prob. 2.124PCh. 2 - Prob. 2.125PCh. 2 - Prob. 2.126PCh. 2 - Prob. D2.127P
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- Q1 Assume an op-amp is ideal, except for having a finite open-loop differential gain. Measurements were made with the op amp in the open-loop mode .Determine the open-loop gain and complete the Jable 1, which shows the results of those measurements. Table 1 v1 -1 mV v2 +1 mV 1V +1 mV 1 V 1 V 5 V -1 V -1V -0.5 V -3 Varrow_forwardAssume that Op-Amp as shown above is ideal. Given that R1 is 0.23 Ohm, R2 is 1.76 Ohm, R3 is 1.61 Ohm, R4 is 2.2 Ohm. Calculate Vo, V2 & I3.arrow_forward2K The op amp used in the inverting amplifier circuit is not ideal. In fact, it is an LM741 with the following parameters: v W Rin = 2 MQ, AoL = 200 V/mV, Rout = 200 Q. Determine the gain vo/vi of the op amp circuit. If the gain computed in a is the actual gain, what is the percentage accuracy of the computed gain if the op amp is considered ideal? 4. 1K vo а. b.arrow_forward
- For the op-amp shown in the following figure, if R1 = 100 2 and Rf = 1 k2, the overall voltage gain is equal to ---------. V₁ O a. -10 O b.-1 O c. 11 O d. 9 Rf V₂arrow_forward2)For the following circuit, assuming the Op-Amp is ideal, fill in the table for the missing values when vi = 2V, 12 10 k [mA] [mA] [mA] [mA] ...... I kn lo I2 ...... IL Io o vo vi ........arrow_forwardGiven a range of values for vs and v0, how are these calculated for v0 and how is the range for vs made to avoid op-amp saturation if it is -2 V < vs < 3 V? vs(v) 0.4 2.0 3.5 -0.6 -1.6 -2.4 vo(v) -2 -10 -15 3 8 10arrow_forward
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- how do i design this op amps so that i can get an overall gain of -8? and how do i find the values of vin and vout? (resistors that may be used: 100,180,220,330,1k,2.2k,3.3k,4.7k,6.8k,10k,22k,33k,47k,68k,100k,180k,1.2M ohms)arrow_forwardFrom Figure 3, write node-voltage equations: one for each input a. terminal of the op amp. b. The expression for the load current (i.) can be written as a function of the input voltage (V) and the load voltage (v.) iz = Avin + Bv, b.1. What is the expression for A? What should be the condition for R, R, R, and R4, so that B is b.2. zero? (NB: this condition will make i, depend only on v, and not on R.) R4 R3 OA1 R2 R1 RL Vin VL iL Figure 3arrow_forwardFind the current I, in the circuit shown below. Assume op-amp to be ideal? 2k 1k E1karrow_forward
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