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Low Pass, High Pass and Band Pass Filters – Simple Explanation

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Low-pass-High-pass-Band-pass

Radio Frequency communication is one of the most evolving technologies in the past decades. It has a significant role in our daily life. Due to several technologies and a large number of devices, RF technology requires proper filtering solutions to avoid interference and ensure coexistence in the wireless ecosystem. This article explains what is low pass filters, High Pass Filters, and Band Pass Filters, their specifications, and their applications. [Read more…] about Low Pass, High Pass and Band Pass Filters – Simple Explanation

Vector Network Analyzer Basics

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vector-network-analyzer
Source: Agilent Technologies

Network analyzers are electronic instruments used to measure the characteristics of electrical networks, such as impedance, AC voltage and current, and distortion. RF network analyzers can be used for a variety of applications, such as characterizing filters, amplifiers, and impedance matching networks; measuring noise figure and gain; and troubleshooting RF circuits. Find out some basics of Vector Network Analyzer. [Read more…] about Vector Network Analyzer Basics

How wireless charging works on mobile devices

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Wireless-Charging-iPhoneWireless charging has become an essential option for smartphones and mobile devices.  What is wireless charging device and how does wireless charging works?

Wireless charging basically charging of mobile devices without using conventional wired connections. It works based on the principle of electromagnetic induction. One pair of coiled wires transfers energy in the form of magnetic flux. International standard for wireless charging is known as Qi wireless charging. [Read more…] about How wireless charging works on mobile devices

Most common RF connectors and its applications

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What are RF connectors?

RF-connectorsRF connectors are connectors used to make electrical connection for signal transmission in radio frequency applications. These connectors are used in wide variety of applications range from 0 to 18 GHz and above.

All types of RF connector have one male connector and one female connector. Male connectors are often called plug and female connectors as jack. Center pin and outer grounding with locking mechanism provides it a strong and reliable connection. [Read more…] about Most common RF connectors and its applications

S-parameter formats in vector network analyzers

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What are S-parameters?
vector network analyzer
 
S-parameters are the electrical characteristics of a signal in a complex network. It is also known as scattering parameters and mostly used in RF network and applications. Vector Network Analyzer is used to measure and analyze signal behavior of S-parameters. The signal behavior can be observed as gain, return loss, VSWR, reflection coefficient and group delay etc.

[Read more…] about S-parameter formats in vector network analyzers