In previous articles, I have covered multiviewers, routers and some specific topics about AC-coupling capacitors, the evolution of SFP modules and fiber-optic theory. One important aspect I haven’t ...

We begin with a brief review of concepts covered in Part 1 of the series. Noise is any unwelcome electrical phenomenon in an electrical system. Depending on its origin, noise can be classified as ...

Accurate signal conditioning and high-resolution measurements are no longer limited to industrial or instrumentation applications. Designers of portable consumer- electronic equipment also need to ...

Fig 1. An op amp easily accomplishes addition, while a Gilbert cell handles the task of multiplication.caption of image Fig 2. Two digital words are added by combining a series of full adder cells.

Why, oh, why does it take five months to fix the Red Line signal system? Please don’t tell me the MBTA blacksmiths are forging parts one by one. Officials are telling riders it will take until October ...

Scientific American presents Tech Talker by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. I’ve had a few listeners write in all with the same question: ...

The topic of video conversion spans a lot of territory and can run as deep as one cares to study. Part one of this part-two series of articles appeared in the February issue of Broadcast Engineering ...