Bob and Tim are discussing the job that they are about to start. They are at a residence and the system has a blown low-voltage fuse. Tim said, “Let’s just change the fuse and try it and see if the ...

Bob is a service technician who is well trained and nationally certified. However, he sometimes suffers from the same confusion that all technicians occasionally do — the facts that he gathers may or ...

Many power supplies, especially offline power supplies, require low standby power. The most cost-effective isolated topology for power levels below 100 W is a flyback, because it requires the fewest ...