Fault diagnosis technology is critical to the reliability of DC-DC power modules. Large amount of studies on DC-DC power modules take out its internal components for testing and analysis, then study ...

Gain-coupled (GC)-DFB-LD tolerant to optical feedback was developed for low-cost, isolator-free optical subassembly module. GC-DFB-LD into isolator-free micro-BOSA module has power penalty less than 0 ...