Lab 4 Worksheet /
  1. Ideal Voltmeter Effects (20 pts total)
  1. Provide the expected output voltage for both ideal and non-ideal voltmeters, based on your pre-lab analysis. (5 pts)
  1. Provide a circuit schematic below; include measured resistance values on your schematic. (2 pts)
  1. In the space below, provide your measured output voltage and your estimated value of the voltmeter’s internal resistance. Comment on your results, especially relative to the effects of the voltmeter on the quantity being measured. (8 pts)
  1. DEMO: Have a teaching assistant initial this sheet, indicating that they have observed circuit’s operation. (5 pts)Expected power dissipated by 1K resistor (pre-lab analysis). (5 pts)
  1. Non-Ideal Power Sources (20 pts total)
  1. Estimated Vout, for both ideal and non-ideal voltage sources, from your pre-lab analysis. (3 pts)
  1. Circuit schematic, including measured resistance values. (2 pts)
  1. Estimated power source internal resistance, for . (5 pts)
  1. DEMO: Have a teaching assistant initial this sheet, indicating that they have observed your circuits’ operation. (5 pts)
  1. Estimated power source internal resistance for and . Discussion of consistency of results for various values of R. (5 pts)
  1. Inverting Amplifier (30 pts total)
  1. Schematic of overall circuit, including actual resistance values used in your circuit. (5 pts)
  1. Table and plot of output vs. input voltages. (Note: your plot can be appended to the end of this worksheet, if you choose.) (10 pts)
  1. Discussion of results and comparison between measured and expected circuit gain. Include any observations you made relative to saturation of the output. (5 pts)
  1. DEMO: Have a teaching assistant initial this sheet, indicating that they have observed your circuits’ operation. (10 pts)
  1. Maximum Power Transfer (30 pts total)
  1. Measured VOUT and power delivered to the load. (Be sure to note actual load resistance value.) Comparison with power delivered to the 3.3 resistor in Part II. Comment on results vs. expectations based on estimated source resistance from Part II. (6 pts)
  1. Measure VOUT and power delivered to the load with modified source. (Provide actual values for added source resistance and load resistance.) Discussion of this result relative to previous results and the maximum power theorem?. (7 pts)
  1. Table of load resistances, VOUT, and power delivered to load for at least five values of load resistance over a range of (approximately) 1k < RL < 4k. Plot of power delivered to the load vs. load resistance. (Your plot can be appended to this worksheet as a separate page. Discuss this plot result relative to previous results. Does the plot agree with your expectations based on the maximum power theorem? (12 pts)
  1. DEMO: Have a teaching assistant initial this sheet, indicating that they have observed your circuits’ operation. (5 pts)

1 of 4

Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.