Understanding the Difference Between dB and dBm: A Comprehensive Guide It’s common to see confusion between dB and dBm, especially among those new to design. This often stems from a lack of clarity about the concept of dB itself. To avoid this confusion, let’s redefine these terms clearly and differentiate between them in a structured…
Zeah System Design can support U! Embedded systems are integral to many modern devices, from smartphones to medical equipment. Developing these systems requires a structured approach to ensure that the final product meets the desired functionality, performance, and reliability standards. This blog post will guide you through the embedded system development process, outlining each phase…
For those seasoned in RF (Radio Frequency) design, the question “Why do we need impedance matching?” might seem redundant. However, for many, especially those new to the field, it’s a question worth exploring. Impedance matching is not just something that’s done—it’s essential. If you’re still unclear on the general concept of impedance matching, this guide…
Why Use Microstrip in High-Frequency Circuit Design? The Prevalence of Microstrip Microstrip technology is commonly considered once operating frequencies exceed 300 MHz, and becomes a necessity beyond 900 MHz for effective circuit performance. Although it’s sometimes feasible to use standard PCB layouts for very small circuits at these frequencies, once you move into GHz ranges,…
Understanding Impedance: The Basics and Its Role in Circuit Design Impedance is a fundamental yet often misunderstood concept in electronics, commonly confused with simple resistance. At its core, impedance is defined as the ratio of voltage to current at a specific point in a structure or circuit. The term “impedance” itself suggests obstruction or hindrance,…
Why 50 Ohms? The Go-To Impedance in RF Design If you’ve worked in RF design, you’ve likely noticed that most impedances are standardized to 50 ohms. But why 50 ohms? Classic Definition In microwave engineering, the optimal impedance for maximum power transfer is around 33 ohms, while the impedance that minimizes signal distortion is about…
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