Jr.Digital Test Engineer

Preamble: Unistring Tech Solutions presents a unique opportunity through its Knowledge and Skills Enhancement Initiative. By offering essential video content for training materials, it enables individuals to grab internship opportunities.
Disclaimer: The role and responsibilities mentioned in the below Job Description are and indicative. Based on the performance, there may be a change as per the requirements.
Note: Responsibilities and Assessment Questions can be found after video content.
Skill and Knowledge Elements

Responsibilities:
1.Testing various types of Digital modules, including Clock cards, Converter cards, PLL cards, Power sequence cards and Power cards with defined test procedures.
2.Utilizing electronic instruments such as Multi meters, Digital Storage Oscilloscopes (DSO), Spectrum Analysers, Load analysers, Progisp application tool and Hercules software for testing purposes.
3.Following all necessary precautions during the testing of any module to ensure safety and accuracy.
4.Ensuring that all tests are carried out as per the specified test procedures to maintain consistency and reliability in results.
5.Documenting test results meticulously and comparing them against expected outcomes to assess module performance.

Sample Assessment Questions

1. If a signal x(t) has a fundamental frequency of 60 Hz, what is the period T of this signal in milliseconds?

  • A. 16.67 ms
  • B. 33.33 ms
  • C. 20 ms
  • D. 50 ms

2. When performing a continuity check with a multimeter, what does a continuous beep sound indicate?

  • A. The circuit is open.
  • B. The circuit has high resistance.
  • C. The circuit is closed and has very low resistance.
  • D. The battery in the multimeter is low

3. When measuring the current flowing through a 100 Ω resistor using a multimeter, the multimeter display indicates 0.25 A. What is the voltage across the resistor?

  • A. 2.5 V
  • B. 25 V
  • C. 250 V
  • D. 25 mV

4. If five divisions are spanned by one cycle of a waveform with the time base set to 2 ms/div, what is the frequency of the signal?

  • A. 100Hz
  • B. 50Hz
  • C. 200Hz
  • D. 25Hz

5. For a signal with a frequency of 1 kHz, what is the most appropriate time base setting to observe one complete waveform cycle on an oscilloscope screen?

  • A. 0.1 ms/div
  • B. 0.5 ms/div
  • C. 1 ms/div
  • D. 5 ms/div

6. What is the decimal equivalent of the octal number 157?

  • A. 111
  • B. 110
  • C. 107
  • D. 115

7.Convert the binary number 1011 to Gray code

  • A. 1110
  • B. 1101
  • C. 1111
  • D. 1100

Answers
1.A
2.C
3.B
4.A
5.C
6.A
7.B