(a) An iron-copper nickel (Fe-CuNi) thermocouple (Type J) needs to be used to measure temperatures between \(200^{\circ} \mathrm{C}\) and \(1200^{\circ} \mathrm{C}\). Its output will be used as an input to an \(\mathrm{ADC}\) with a \(0-5 \mathrm{~V}\) input. The characteristics of various thermocouples are shown in Figure P4-62.

Design an interface that will produce a o to \(+5-\mathrm{V}\) output where o V refers to \(200^{\circ} \mathrm{C}\) and \(+5 \mathrm{~V}\) refers to \(1200^{\circ} \mathrm{C}\). The transducer can be modeled as a voltage source in series with a \(25-\Omega\) resistor.
(b) Simulate the input to the ADC by varying the source commensurate to the range of the thermocouple in Multisim. Hint: Use DC Sweep.

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Voltage (mV) -80- 30 -66- -56- -40- -30 20 -14- -10 200 Thermocouples Voltage vs. Temperature 400 600 800 1000 1200 1400 Temperature (deg C) 1600 Type E Type J Type K Type N Type R Type S Type T - B