In the November 2012 issue I wrote about combining FM antennas by way of filters. I received a question from a reader (Danny Wilson) about how to accomplish the same thing using transmission line ...

A technical paper titled “Integrated microwave photonic notch filter using a heterogeneously integrated Brillouin and active-silicon photonic circuit” was published by researchers at University of ...

Almost every engineer has had the opportunity to top off his or her vehicle’s air conditioner with a can or two of R131A refrigerant. But don’t throw the empty can away — with a little work, you can ...

How an electro-optic PIC can implement RF filtering functions. Which E-O components are needed for passband and notch filtering. How the overall device was fabricated and the test results. It’s a very ...

Notch has launched its MAGIC Series software-defined antennas, designed to more than double wireless range and improve RF performance without requiring radio replacements. Notch's MAGIC Series ...