Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Chapter 21, Problem 2ST
In a thermocouple circuit, where each of the thermocouple wires is connected to a copper circuit board terminal.
- an unwanted thermocouple is produced
- compensation is required
- a reference thermocouple must be used
- answers (a), (b), and (c)
- answers (a) and (c)
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Chapter 21 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 21 - A thermocouple can measure higher temperatures...Ch. 21 - Thermocouples are commonly used to measure body...Ch. 21 - An advantage of an RTD over a thermistor is that...Ch. 21 - Prob. 4TFQCh. 21 - A thermocouple signal conditioner must have high...Ch. 21 - Signal conditioning for temperature sensors...Ch. 21 - Prob. 7TFQCh. 21 - Absolute pressure is measured relative to the...Ch. 21 - In a sample-and-hold circuit, an analog value is...Ch. 21 - Prob. 10TFQ
Ch. 21 - A thermocouple a change in resistance for a change...Ch. 21 - In a thermocouple circuit, where each of the...Ch. 21 - A thermocouple signal conditioner is designed to...Ch. 21 - Prob. 4STCh. 21 - Prob. 5STCh. 21 - Prob. 6STCh. 21 - Prob. 7STCh. 21 - Prob. 8STCh. 21 - Prob. 9STCh. 21 - Prob. 10STCh. 21 - Prob. 11STCh. 21 - Prob. 12STCh. 21 - Prob. 13STCh. 21 - Prob. 14STCh. 21 - In an analog switch, the aperture time is the time...Ch. 21 - Prob. 16STCh. 21 - An analog signal must be sampled at a minimum rate...Ch. 21 - Prob. 18STCh. 21 - Prob. 19STCh. 21 - Prob. 20STCh. 21 - Prob. 21STCh. 21 - Three identical thermocouples are each exposed to...Ch. 21 - You have two thermocouples. One is a K type and...Ch. 21 - Determine the output voltage of the op-amp in...Ch. 21 - What should be the output voltage in Problem 3 if...Ch. 21 - Prob. 5PCh. 21 - Prob. 6PCh. 21 - Explain the difference in the results of Problems...Ch. 21 - Prob. 8PCh. 21 - A certain material being measured undergoes a...Ch. 21 - Explain how a strain gauge can be used to measure...Ch. 21 - Identify and compare the three symbols in Figure...Ch. 21 - Determine the output voltage waveform for the...Ch. 21 - Repeat Problem 12 for the waveforms in Figure...Ch. 21 - Name two ways an SCR can be placed in the...Ch. 21 - Sketch the VR waveform for the circuit in Figure...Ch. 21 - For the circuit in Figure 21-53, describe the...Ch. 21 - What change to the circuit in Figure 21-53 would...
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- A Sine wave is input for the Op-Amp circuit. For output signal, peak to peak voltage is 30Vpp. a) Calculate Rf resistance value. b) Draw the output signal.arrow_forwardFor the Block Diagram shown in Figure 6, explain the function of the following: A. Integrator B. Comparator C. Control Logicarrow_forwardIt is a basic Electrical subj. Show me the complete solution and correct ans.arrow_forward
- ii. The slew rate of an op-amp is defined as the: (i) Maximum rate of change of output voltage with time(ii) Minimum rate of change of output voltage with time(iii) Moderate rate of change of output voltage with time(iv) None of the abovearrow_forward1.Plot the Output Waveform and Input Waveform using 2 Channel Oscilloscope and compute the Voltage gain of the circuit. Explain the Output Waveform, its phase and its gain. 2.Change the Feedback resistor to 3.5kΩ and Compute the Voltage Gain. 3.Change the Feedback resistor to 10kΩ and plot the Output Waveform. Explain what happened to the Waveform .arrow_forwarddraw a block diagram of a feed back control using a pressure transducerarrow_forward
- Calculate sensitivity if the output voltage of a thermocouple goes from 40mV at 400C to 50mV at 900C. What are the units?arrow_forwardGive reasons for the following:(i) The gain of the Opamp rolls off after a certain frequency is reached.(ii) The Output offset voltage generated by the input bias current is always greater than that generated by the input offset current.arrow_forwardFeedback Control B-5-2)arrow_forward
- A "T" type thermocouple has linear calibration between 0 "C and 400 °C with voltage at maximum temperature, with reference junction at 0 °C, equal to 20.68 mV. i) Determine the correction which must be made to the indicated voltage when cold junction temperature is at 25 °C. ii) If the indicated voltage is 8.92 mV, find temperature at hot function.arrow_forward3.Explain about Lead compensator and Lag compensator in detailarrow_forwardQ10 A thermocouple operates on the principle of temperature difference between the measuring and reference junction of a thermocouple causes a small DC voltage to be generated T/Farrow_forward
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