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RF basics

Vector Network Analyzer Basics

Last Modified: April 2, 2022 by Rajiv Leave a Comment

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

Filed Under: RF basics, RF testing

How wireless charging works on mobile devices

Last Modified: April 13, 2017 by Rajiv Leave a Comment

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

Filed Under: RF basics, RF networks

Most common RF connectors and its applications

Last Modified: July 27, 2021 by Rajiv 2 Comments

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

Filed Under: RF basics, RF Tools

S-parameter formats in vector network analyzers

Last Modified: October 2, 2017 by Rajiv 1 Comment

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

Filed Under: RF basics, RF networks, RF testing

What are Radio Frequency bands and its uses?

Last Modified: June 19, 2021 by Rajiv 8 Comments

rf-spectrum

What is Radio Frequency?

RF is the lowest portion in the electromagnetic spectrum familiar as a medium of analogue and modern digital wireless communication system. It spreads in the range between 3 KHz and 300 GHz. All known transmission systems works in the RF spectrum range including analogue radio, aircraft navigation, marine radio, amateur radio, TV broadcasting, mobile networks and satellite systems. Let’s take a look on each of the RF sub bands and the areas of RF spectrum uses.

[Read more…] about What are Radio Frequency bands and its uses?

Filed Under: RF basics, RF networks

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