Here are some articles from recent issues of electronics trade magazines that you might find interesting and useful…Dan
The term “impedance matching” is rather straightforward. It’s simply defined as the process of making one impedance look like another. Frequently, it becomes necessary to match a load impedance to the source or internal impedance of a driving source. A wide variety of components and circuits can be used for impedance matching. This series summarizes the most common impedance-matching techniques.
Digital Electronics Course — Part 1: Binary Logic and Signals
Today, we are surrounded by digital electronics. Devices that work with analog electronics are very rare. Computers, telephones, cameras, CD players, printers, radios, and TVs all operate with digital technology. We hear about digital electronics every day, but few people probably really know its meaning and function. There are several definitions to describe it. Digital electronics deals with systems for processing and handling numerical data. The term is derived from the word “digit,” which in turn is derived from the Latin word “digitum” (finger). To fully understand the concept, it is necessary to be perfectly clear about the difference between the words “analog” and “digital,”
This article might help you learn how to use that NanoVNA you have…Dan
RF Demystified: The Different Types of Scattering Parameters
Scattering parameters (S-parameters), which describe the fundamental characteristics of RF networks, come in many flavors, including small signal, large signal, pulsed, cold, and mixed mode. They quantify how RF energy propagates through a system and thus contain information about its fundamental characteristics.Using S-parameters, we can represent even the most complex RF device as a simple N-port network. Figure 1 shows an example of a two-port unbalanced network, which can be used to represent many standard RF components such as RF amplifiers, filters, or attenuators, to name a few.
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