Original Publication Date: 1988-Jun-01
Included in the Prior Art Database: 2005-Feb-15
A high current test provides a narrow-width high-amplitude current pulse to burn open catastrophic height/width reductions on printed circuit lines. A key component in this system is the burnout detector which acts to quickly shut the pulse down when the line begins to burn open. This reduces energy levels at burnout, thereby preventing damage to the printed circuit line under test. It is important that the burnout detector be adjusted and operating properly; otherwise, circuit boards could be damaged or false burnout indications could be given. The burnout simulator described in the following provides a check on the burnout detector during diagnostic mode to ensure proper adjustment and operation.