Building a Robust Testing Strategy: A Comparative Analysis of In-Circuit vs. Functional Test 1. Understanding Functional Test in PCB Manufacturing 1.1 What Is Functional Test: Definition and Core Principles    At its core, a Functional Test (often abbreviated as FCT) is a comprehensive validation process that verifies whether a fully assembled printed circuit board operates according to its intend...

The Precision Diagnosis: Uncovering the Critical Role of In-Circuit Test in PCB Manufacturing Understanding In-Circuit Test: Definition, Principles, and Mechanisms    Before delving into its broader influence, it is essential to define precisely what In-Circuit Test entails. The In-Circuit Test is a method of verifying that each component on a PCB is correctly placed, soldered, and electrically fu...

Precision in Design: Mastering Trace Width for Optimal PCB Performance and Manufacturing Yield 1. Understanding the Fundamentals of Trace Width 1.1 The Basic Definition of Trace Width    In PCB layout terminology, Trace Width refers to the measured thickness of a copper pathway on a printed circuit board. These conductive paths function as electrical routes that carry signals and distribute power...

Preventing Trace Failure: A Practical Guide to the Relationship Between Trace Width and Current in PCB Design 1. Understanding the Relationship Between Trace Width and Current: Definition and Theory    The concept of the Relationship Between Trace Width and Current refers to the direct connection between the physical width of a conductor trace on a PCB and the amount of current that the trace can...