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 3P
Determine the output voltage of the op-amp in Figure 21-45 if the thermocouple is measuring a temperature of
Refer to Table 21-1.
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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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- An FDM is used to multiplex two groups of signals using AM-SSB, the first group contains 25 speech signals, each has maximum frequency of 4 kHz, the second group contains 15 music signals, each has maximum frequency of 10 kHz. A guard bandwidth of 500 Hz is used bety each two signals and before the first one. 1. Find the BWmultiplexing 2. Find the BWtransmission if the multiplexing signal is modulated using AM-DSB-LC.arrow_forwardAn FM signal with 75 kHz deviation, has an input signal-to-noise ratio of 18 dB, with a modulating frequency of 15 kHz. 1) Find SNRO at demodulator o/p. 2) Find SNRO at demodulator o/p if AM is used with m=0.3. 3) Compare the performance in case 1) and 2).. Hint: for single tone AM-DSB-LC, SNR₁ = (2m²) (4)arrow_forwardFind Va and Vb using Nodal analysisarrow_forward
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- 1. The communication channel bandwidth is 25 MHz centered at 1GHz and has a noise power spectral density of 10^-9 W/Hz. The channel loss between the transmitter and receiver is 25dB. The application requires a bit rate of 200Mbps and BER of less than 10^-4. Excluding Mary FSK, Determine the minimum transmit power required.arrow_forward2. An existing system uses noncoherent BASK. The application requires a BER of <10^-5. The current transmit power is 25 Watts. If the system changes to a coherent BPSK modulation scheme, what is the new transmit power required to deliver the same BER?arrow_forward3. You are to design a 9-volt battery operated communication system that must last 3 years without replacing batteries. The communication channel bandwidth is 100 KHz centered at 5.8 GHz. The application requires a BER of <10^-5 and a data rate of 1 Mbps. The channel can be modeled as AWGN with a noise power spectral density of 10^-8 W/Hz. ((a) What modulation scheme would you use? B) what is the required capacity of the batteries? and (c) is the battery commercially available?arrow_forward
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