passive-experiments

Objective of the Delay Line Experiment

The goal of this experiment is to design and analyze a delay line circuit, demonstrating its impact on signal transmission, propagation delay, and system synchronization.

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Theory of Delay Lines

A delay line introduces a time delay to a signal, commonly used in digital communication, audio processing, and radar systems. The delay depends on the length of the line and the propagation speed of the signal.

Formula for delay calculation:

Delay Line Circuit Diagram

The following diagram illustrates the delay line circuit:

Experimental Setup for Delay Line Circuit

Follow these steps to set up the delay line circuit:

Procedure for Delay Line Experiment

  1. Assemble the delay line circuit according to the diagram.
  2. Set the function generator to produce a square wave signal.
  3. Observe the input signal characteristics (frequency, amplitude) on the oscilloscope.
  4. Switch the oscilloscope to the output of the delay line and observe the delayed signal.
  5. Measure the time delay between the input and output signals for different input frequencies.

Results and Observations

In this experiment, you should observe that:

Record your observations and analyze how delay lines can be utilized in signal synchronization and timing applications.

Conclusion

This experiment highlights the functionality of delay lines in electronics. Delay lines are essential in applications requiring precise timing and signal synchronization, such as in communication systems and digital signal processing.

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