Analog Signature Analysis – Huntron Tracker 2800S

The Huntron Tracker 2800S is designed to complement conventional test instruments in the debug and troubleshooting process of PCB Circuit Boards. Using the proven power-off test method known as Analog Signature Analysis it eliminates the risk of further circuit damage, which often occurs when power is applied.

The Huntron Tracker 2800S is suited for today’s varied signal circuit cards where Analog and Digital are mixed together. Other features include:

  • Optional Software Control using Huntron Workstation
  • Enhanced Range Selections
  • Full Screen Signature Zoom
  • Colour Touch Screen controls
  • Huntron SigAssist® built-in

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Understanding Analog Signature Analysis with the Huntron Tracker 2800S

The Tracker 2800S uses Analog Signature Analysis when testing PCB Boards. Firstly, it features variable range parameters resulting in over 100 combinations of voltage, source resistance and frequency. The 2800S is a great off-line support tool for the automated Huntron Access Prober diagnostic systems.

The Tracker works by applying a current-limited AC signal across two points of a component. The current flow causes a vertical signature deflection, while the applied voltage causes a horizontal deflection. Together they form a unique V/I signature that represents the overall health of the device under test. Analysing the signature can quickly determine whether the component is good, bad, or marginal.

Cable based Scanning

The Tracker 2800S features two 40 pin IDC connectors (one per channel) where custom cable interfaces can be used to quickly scan PCB connectors as a type of “first pass” test. If signature differences are detected then you can trace the connector pin to the component level saving you troubleshooting time.

You can also use IC clips and cables to easily scan standard ICs and select SOICs. Clip and cables are readily available from companies such as Digi Key.

Features of the Tracker 2800S
  • Optional Software Control using Huntron Workstation
  • Enhanced Range Selections
  • Full Screen Signature Zoom
  • Colour Touch Screen controls
  • Huntron SigAssist® built-in
  • Built-in DC Voltage Source for testing gated devices (i.e. SCRs, relays, etc.)
  • Up to 40 pin scanning with the Tracker 2800S

Technical Specification
Part Numbers99-0402; 99-0423 with Workstation software
Number of Voltages plus values6 voltages: 200mV, 3V, 5V, 10V, 15V, 20V
Number of Resistances plus values9 resistances: 10Ω, 50Ω, 100Ω, 500Ω, 1kΩ, 5kΩ, 10kΩ, 50kΩ and 100kΩ
Number of Frequencies plus values6 frequencies: 20Hz, 50Hz, 60Hz, 200Hz, 500Hz and 2kHz
Range SelectionManual or use Auto Scan; Optional Software control
Front Panel ConnectionsBanana jacks for A/B Test channels and Common; A and B 40 pin IDC connectors for cable based scanning (i.e. interface to PCB connectors)
DC Voltage Source for testing gated devicesVariable voltage from 0 to 10VDC; 200mA max.

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