An optocoupler-isolated power supply is often the safest and most practical way to go when it comes to performance and protection. Here's the basics on today's LED/photodetector isolators and what you ...

In LEDs heat and high currents hasten the dimming process which can lead to unreliable operation in LED-powered optocouplers. Some simple and straight-forward analysis will keep their light shining ...

Have a Test Idea you'd like to share? Publish it here and receive $150. Send us your ideas. Read other Test Ideas. Read Design Ideas published by EDN. Manufacturers of optocouplers characterize their ...

Designers of switch-mode power supplies generally put a lot of care into selecting the placement of poles/zeros of the supply transfer function to ensure stable operation. However, many such designs ...

Through light waves, optocouplers transfer signals of all types between components. Due to their mode of operation, they also provide electrical isolation and noise immunity not found in other ...

Switching power supplies, operating directly from input power lines, are generally required to have their outputs galvanically isolated from the input, in order to reduce the danger of electrical ...