Procedure: Determine Vpk, Vp-p, VRMS, T, and f of the signal illustrated to the right and record the results in the table below. Vpk = Vp-p = VRMS = f = T = Construct the circuit shown in the circuit diagram to the right. Use the function generator on board the ELVIS unit as your signal source and an oscilloscope to verify the voltage and period of the signal measured across the resistor R1. Record the measured values for Vpk and T in the table below. Refer to the explanation below to setup the function generator on the Elvis Unit. Vpk = T = Refer to the diagram to the right for proper configuration of the Function Generator on board the Elvis unit. Launch the Elvis Instrument Launcher under the National Instruments/NI Elvismx DirectorySelect the Function generator by clicking on FGEN.Set the Frequency to 25 kHz.Set the Amplitude to 8 Vpp.Select “Prototype board” for Signal Route. This will provide the output of the function generator to pin 33 of the lower left distribution point. Make sure you use the ground reference on either pin 49 or 54 as your circuit ground.Click “Run” to activate the function generator output. Calculate the RMS Voltage and current for the circuit in step 2. Use these values to determine the power dissipated by R1. Use a DMM to measure the RMS current and voltage in the circuit above. Record the results from steps 3 and 4 in the table below. VRMSIRMSPR1Calculated Measured Repeat step 4 with f = 500 hz. Record the measured RMS current and Voltage in the table below. VRMSIRMSMeasured Construct the circuit shown in figure 3. Determine RT, VRMS, and IRMS and PAve for the circuit. Record these results in Table 4 Table 4RT = VRMS = IRMS = PAve = Use the Oscilloscope to measure Vpk at , , and . Recall from earlier discussions that. Use this approach to determine and . Record these results in the table below. Questions: How does the Power calculated in step 3 compare to the peak power of the circuit in step 2? Explain the differences between the RMS measurements in steps 4 and 5 above. Refer to the Fluke 179 User Manual for reference. What quantities do and represent? Why can these quantities not be determined directly? Simulation Exercise: Use MultiSim to construct the circuit to the right. Note: You do not need to include the nodes Va and Vb. Determine the total resistance of the circuit. Record this value below. RT = Use the Virtual Oscilloscope within Multisim to measure the voltage at Va and Vb. Calculate and the total circuit current. Record the results from steps 3 and 4 in the table below. IPk Questions: What was the effect of R3 on the circuit? Is there a relationship between VR3 and the circuit current? What is it? Can an oscilloscope be used to directly measure current? Indirectly?
by admin | Sep 23, 2022 | Applied Sciences | 0 comments
Procedure:Â Â Â Determine Vpk, Vp-p, VRMS, T, and f of the signal illustrated to the right and…
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