Huntron SigAssist: An Essential Tool for PCB Quality Control

PCB Quality Control

In the world of PCB Quality Control, accurate and efficient diagnostics are key to keeping systems running smoothly.  Especially as devices become more complex. The Huntron SigAssist is a tool designed to enhance the diagnostic process.  Achieved by providing real-time estimations of electrical properties through analog signature analysis. This feature, integrated into Huntron Tracker instruments and Huntron Workstation software, helps technicians identify faults.  Without removing components from the board!

Let’s take a closer look at what the Huntron SigAssist is.  See how it works, and why it’s becoming an essential tool for electronics troubleshooting.


What is Huntron SigAssist?

Huntron SigAssist is a diagnostic feature.  Firstly, it estimates various electrical properties of components based on their analog signatures. These properties include resistance, capacitance, power, and breakdown voltages.  All essential measurements for understanding a component’s functionality. With this tool, technicians can get a clear view of a component’s behaviour in-circuit.  Which means components don’t need to be desoldered for testing. This makes troubleshooting less intrusive and solves PCB Quality Control issues quicker.


How Huntron SigAssist Works

SigAssist operates by analysing the analog signatures of components captured by Huntron Tracker instruments. Analog signature analysis (ASA) involves applying a test voltage to a component.  Automatically recording the resulting current.  The pattern or “signature” created reveals information about the component’s electrical characteristics. SigAssist takes this analysis a step further.  By providing approximations of key values based on the observed signature.

For instance, if a capacitor’s signature doesn’t match expected values.  Then SigAssist can highlight this discrepancy.  Helping technicians to quickly spot issues. This is especially helpful in pinpointing faults in complex circuit boards.  Where manually testing each component would be time-consuming and potentially risky.


Key Benefits of Using SigAssist

Using SigAssist comes with a range of advantages that make it ideal for high-stakes troubleshooting environments:

  • Efficiency: SigAssist accelerates the diagnostic process. Instead of manually measuring each component, technicians can rely on the approximations provided by SigAssist, reducing time spent on repetitive tasks.
  • Precision: By analysing detailed analog signatures, SigAssist helps detect subtle faults that might be missed by standard testing methods.  Therefore, providing a layer of accuracy essential in advanced diagnostics.
  • Non-Destructive Testing: Because components can be tested in-circuit.  There’s no need for desoldering or removing parts from the board. This saves time, minimises risk of damage, and makes it easier to analyse circuit boards without interrupting their configuration.

Real-World Applications of Huntron SigAssist

SigAssist proves invaluable in a range of industries and scenarios, where accurate troubleshooting is crucial:

  1. Circuit Board Repair: For repair technicians, SigAssist helps quickly identify faulty components on complex circuit boards without needing extensive manual testing.
  2. Quality Control in Manufacturing: In manufacturing, especially in industries with strict quality standards like aerospace and defense, SigAssist assists in identifying potential issues before products reach the field.
  3. Preventative Maintenance: For industrial equipment and critical systems, regular diagnostics with SigAssist can help catch early signs of wear and tear.  Therefore, reducing the risk of unexpected downtime.

Industries such as telecommunications, consumer electronics, and Defence benefit from using SigAssist, as it allows for precise analysis of critical components under real-world conditions.


Example Workflow with SigAssist for PCB Quality Control

Imagine a technician troubleshooting a military-grade circuit board in a telecommunications system. Using a Huntron Tracker, the technician activates SigAssist to capture the analog signatures of various components. SigAssist analyses these signatures, providing estimated values for resistance, capacitance, and other properties.  Then the technician then uses it to identify outliers or anomalies.

With the insights from SigAssist, the technician quickly locates a capacitor whose signature doesn’t match expected values.  Signalling a potential fault. Without needing to remove or disturb the component, the technician can diagnose the issue.  Then proceed with the repair, saving time and minimising the risk of damaging the board.


Conclusion

In complex diagnostics, every second counts, and accuracy is essential. The Huntron SigAssist feature is a powerful tool that helps technicians troubleshoot electronic systems with confidence. By offering a quick and non-destructive way to analyse components, SigAssist enhances diagnostic efficiency and precision, making it an invaluable asset in high-stakes industries.

If you’re interested in learning more about how it can provide PCB Quality Control and improve your diagnostics or want to see SigAssist in action, watch this video or contact Metromatics for a demonstration in Australia and New Zealand.