Abstract: In this paper, a balanced bandpass filter (BPF), a balanced-to-balanced filtering power divider (FPD), and a balun filter are implemented using the isosceles right triangular patch element.

These niche tools rarely get attention, yet they quietly handle tasks that would otherwise be frustrating, risky, or unnecessarily slow.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Geoffrey Morrison The Epicka Universal Travel Adapter has been updated to ...

Light Base is Be Quiet’s series of cases with panoramic interiors—the company is better known for its silent-running, more enclosed dark sentinels. A new addition, the $145-as-tested Light Base 500 LX ...

Do wireless CarPlay adapters actually work? Several years ago, I bought a Honda Civic that came with wired Apple CarPlay. I really wanted wireless CarPlay in the Civic, but replacing its entertainment ...

RGB-packed bling box? Aquarium-style glassy chassis? The right PC case makes or breaks your PC build. Here's what to look for in a new tower chassis, plus reviews of our highest-rated models. I have ...

View post: Hyundai Unveils Exciting December Lease Deal for the 2025 Ioniq 5 N The Bosch 41-Piece Drilling and Driving Set is on sale for $21, 58% off of the $50 it’ll normally cost you. There are ...

Fast chargers have become essential as phones, tablets and even laptops demand more power to keep up with daily use. Many new devices no longer include a charger in the box, so finding the best fast ...

We’ve all had that feeling, the one where we’re in the car and our phone suddenly warns that it’s about to run out of charge. There’s the frantic scramble for the relevant cable, only to remember that ...

The drill is perhaps the most recognizable tool in any brand's catalog of gear, and everyone who uses power tools as part of their livelihood will have one, or perhaps many, on hand. However, not all ...

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Trigonometric ratios are used to find the unknown side or angle of a right-angled triangle. There are three different trigonometric ratios, \(\sin(\theta), \cos(\theta)\), and \(\tan (\theta)\). Each ...