Pi (π) section symmetrical attenuators

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SUMMARY

The forum discussion centers on designing a π section symmetrical attenuator with a voltage attenuation of 15 dB and a characteristic impedance of 600 Ω. The user successfully completed the design and testing phases but seeks guidance on comparing the practical results with SPICE simulations. The discussion emphasizes the importance of validating experimental results against computer models to ensure accuracy in circuit design.

PREREQUISITES
  • Understanding of π section attenuator design principles
  • Knowledge of voltage attenuation calculations in decibels (dB)
  • Familiarity with SPICE simulation software
  • Experience in measuring input and output voltages in electronic circuits
NEXT STEPS
  • Learn how to set up SPICE simulations for π section attenuators
  • Research methods for measuring voltage attenuation in practical circuits
  • Explore techniques for comparing experimental data with simulation results
  • Study the impact of component tolerances on circuit performance
USEFUL FOR

Electrical engineers, students in electronics courses, and hobbyists involved in circuit design and testing will benefit from this discussion.

agata78
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Homework Statement



(a) Design a π section symmetrical attenuator to provide a voltage attenuation of 15 dB and a characteristic impedance of 600 Ω.

(b) Construct and test the π section attenuator. Measure and record the input & output voltages of the attenuator and determine the attenuation in dB.

(c) Test your symmetrical attenuator (practical) against computer models.



2. The attempt at a solution

I have answered question (a) & (b) but I am struggling to work out, how to go about answering (c).

Can please someone provide me with some guidance as I am well and truly stuck with this part of the question?
 
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Compare the results of (b) with a SPICE model.
 

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