Q. For a stable closed loop system, the gain at phase crossover frequency should always be:

  • (A) < 20 db
  • (B) < 6 db
  • (C) > 6 db
  • (D) > 0 db
💬 Discuss
✅ Correct Answer: (D) > 0 db
Explanation: phase crossover frequency is the frequency at which the gain of the system must be 1 and for a stable system the gain is decibels must be 0 db.

Published by Mr. Dubey ⭐ 110.47K Points at 15-Sep-2023 12:43 am in Control System Engineering

Explanation by: Mr. Dubey
phase crossover frequency is the frequency at which the gain of the system must be 1 and for a stable system the gain is decibels must be 0 db.

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