Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Chapter 19, Problem 7ST
To determine
To identify: Nature of resistor values for a scaling adder.
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If the feedback resistor in an non-inverting opamp is open, the voltage gain
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If the feedback resistor of non inverting amplifier is open, the output voltage
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Draw the necessary waveforms.
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Chapter 19 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 19 - A comparator will have a positive output whenever...Ch. 19 - Prob. 2TFQCh. 19 - Prob. 3TFQCh. 19 - Prob. 4TFQCh. 19 - Prob. 5TFQCh. 19 - The output of a Wien-bridge oscillator is a...Ch. 19 - A Wien-bridge oscillator uses both positive and...Ch. 19 - A two-pole filter has a maximum roll-off rate of...Ch. 19 - Prob. 9TFQCh. 19 - Prob. 10TFQ
Ch. 19 - Prob. 1STCh. 19 - To use a comparator for zero-level detection, the...Ch. 19 - Prob. 3STCh. 19 - Prob. 4STCh. 19 - The gain of the amplifier in Question 4 is -1 -2.2...Ch. 19 - To convert a summing amplifier to an averaging...Ch. 19 - Prob. 7STCh. 19 - Prob. 8STCh. 19 - The feedback path in an op-amp differentiator...Ch. 19 - Prob. 10STCh. 19 - Prob. 11STCh. 19 - Prob. 12STCh. 19 - Determine the output level (maximum positive or...Ch. 19 - A certain op-amp has open-loop gain of 80,000. The...Ch. 19 - Prob. 3PCh. 19 - Determine the output voltage for each circuit in...Ch. 19 - Determine the following in Figure 19—62: VR1 and...Ch. 19 - Find the value of Rf necessary to produce an...Ch. 19 - Find the output voltage when the input voltages...Ch. 19 - Determine the values of the input resistors...Ch. 19 - Determine the rate of change of the output voltage...Ch. 19 - A triangular waveform is applied to the input of...Ch. 19 - Prob. 11PCh. 19 - Calculate the resonant frequency of a lead-lag...Ch. 19 - Determine the JFET drain-to-source resistance in...Ch. 19 - Explain the purpose of D1 in Figure 19-66.Ch. 19 - Find the frequency of oscillation for the...Ch. 19 - What type of signal does the circuit in Figure...Ch. 19 - Prob. 17PCh. 19 - Determine the number of poles in each active...Ch. 19 - Calculate the critical frequencies for the filters...Ch. 19 - Determine the bandwidth and center frequency of...Ch. 19 - Determine the output voltage for the series...Ch. 19 - If R3 in figure 19-70 is doubled, what happens to...Ch. 19 - Prob. 23PCh. 19 - A series voltage regulator with constant-current...Ch. 19 - If R4 (determined in Problem 24) is halved, what...Ch. 19 - In the shunt regulator of Figure 19-72, when the...Ch. 19 - Assume that IL remains constant and VIN increases...Ch. 19 - Open file P19-29; files are found at...Ch. 19 - Open file P19-30 and determine if there is a...
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- What is the output signal voltage for a gain of 20 and input voltage of 30mV? O 600mV O 6V O 60mV O 600Varrow_forward11. Identify each of the op-amp configurations in Figure 12-63 in www111 + (c)arrow_forwardAlthough current is blocked in reverse bias, (a) there is some current due to majority carriers (b) there is a very small current due to minority carriers (c) there is an avalanche currentarrow_forward
- An integrator has a break frequency of 1 kHz and a unity gain frequency of 10 kHz. Over what frequency range would the circuit integrate a function and increase the signal? O 10 kHz only O1 kHz and below O 10 kHz and above O 1 kHz to 10 kHzarrow_forwardIn OP-AMP the input is denoted by a negative sign.arrow_forwardFor the given circuit, what is the minimum peak value of the output waveform if the input waveform is 10V square wave with switching time of 1 second? Assume that the input switches between +10V and -10V DC levels. O ov O -5V O - 20V O -10Varrow_forward
- Draw the output waveform for the comparator circuit in figure below. Assume that Q? +Vout(max) = +10 V and Vout(max) = -10V. Vin U1 Vout R1 +3 V 80ko 0- R2 20ko Con'larrow_forwardFor an op-amp integrator with R = 100KOhms, C= 10UF and a sine wave input signal of 10 sinot (V), the output waveform is (V). +10 sinwt O -10 sinwt +10 coswt -10 coswtarrow_forwardFor the given circuit, what is the minimum peak value of the output waveform if the input waveform is 10V square wave with switching time of 1 second? Assume that the input switches between +10V and -10V DC levels. O - 10 V O - 20 V O ov O -5 Varrow_forward
- In an opamp when the input voltage exceeds a specified reference voltage, the output changes state.arrow_forwardIn a fixed bias circuit, the O Q point shifts near the cut-off with an increase in temperature O Q point shifts near the saturation with an increase in temperature O is independent of B Q point stays nearly constant with an increase in temperaturearrow_forwardQuestion 7 Select the voltage of the power source connected to an opAmp, given the following input and output signals: 20V -20V 15V -15V O Vcc= VII = 15V Vcc= VII = 10V Vcc= -VII = 20V O Vcc= -VII = 15V Input Signal Output Signalarrow_forward
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