Electronic system analysis is the process of evaluating an electronic system in order to understand how it works and identify potential problems or areas for improvement. This can involve analyzing the system at the circuit level, studying the system's design, and testing the system to ensure that it meets the required specifications.

There are several methods and techniques that can be used for electronic system analysis, including:
Circuit analysis: This involves analyzing the circuit diagrams and schematics of the electronic system in order to understand how the various components and sub-systems are connected and interact with each other. This can include techniques such as nodal analysis and Kirchhoff's laws.
Simulation: This involves using computer software to simulate the operation of the electronic system in order to test different scenarios and identify potential issues. This can include time-domain, frequency-domain, and transient simulations.
Testing: This involves physically testing the electronic system to ensure that it meets the required specifications and to identify any issues. This can include functional testing, performance testing, and reliability testing.
Failure Analysis: This involves investigating the cause of a failure in the electronic system. This can include techniques such as visual inspection, electrical testing, and destructive analysis.
Electronic system analysis is an important step in the development and design of electronic systems, as it allows engineers to identify and solve problems early in the design process, which can save time and money in the long run.