Download Guided ECET 105 Week 2: Homework and Lab


Download Guided ECET 105 Week 2 Homework and Lab


ECET 105 Week 2 Homework Assignment # 2
  1. What is the duty cycle for a square wave signal that is HIGH for 15 sec and LOW for 30 sec?
  2. A pulse train is shown on the oscilloscope below. Determine the period of the pulse.
  3. Determine the frequency of a pulse that occurs every 10 ms.
  4. What is the base-10 value for the binary number 11012?
  5. What are the respective weights of the 1s in Problem 4?
  6. How many different values can …. represented by 6 bits, 7 bits, 8 bits, and 10 bits?
  7. What is the minimum number of bits required to represent each of the following decimals?
  8. Convert the binary value, 1011010100101101, to a hexadecimal equivalent.

Convert the following decimal numbers to 8-bit binary values. For negative numbers, use the 2’ complement formulation.

Express each of the following signed numbers (2s complement format) in decimal:

ECET-105 Week 2 Lab: Soldering Techniques and the Electronic Die Kit


  1. To learn the basics of soldering.
  2. ….. produce mechanically and electrically sound solder joints.
  3. To assemble the Electronic Dice Kit.

Results: ► Conclusions: ► Observations/Measurements: Describe any problems you had with assembling the analog meter kit. ► Questions: 

  • What is the purpose of a core in hollow solder wire?
  • What is tinning and why is it important?
  • Why is safety so important when soldering?
  • Why has lead-free solder replaced lead-based solder? Be sure to properly cite any sources of information.
  • Run 25 trials of your completed kit and record the results below.


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