Question 1: Explain the fundamental components of the magnetic tape recorder for instrumentation applications by using direct recording methods. Explain its benefits and drawbacks.
Question 2: Explain how equalization is taken out in a magnetic tape recorder by using direct recording methods.
Question 3: Describe the F.M. method of magnetic tape recording and describe its benefits and drawbacks.
Question 4: Explain the method of pulse duration modulation (PDM) as employed in the magnetic tape recorders. Describe its benefits and drawbacks.
Question 5: Explain the various methods employed for digital tape recording. Describe its benefits and drawbacks.
Question 6: Differentiate between RZ and NRZ methods of the digital tape recording.
Question 7: Describe the randomized NRZ method of digital tape recording.
Question 8: The gap of a tape recorder is 6.25 µm. What is the speed of the tape so has to have a satisfactory response at 50000 Hz. Suppose that recorded wavelength must be more than 2.5 times the gap of the recorder.
Question 9: A tape receives 12000 numbers per second. The tape speed is 1.5m/s. Find out the number density of the tape.
Question 10: The gap of a reproducing head in a tape recorder is 6.4 µm. Find out the min. speed of the tape for satisfactory response at 50 kHz. Suppose that the wavelength on tape is more than 2.5 times the gap length.