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How does Intermodulation Distortion occur

Last Modified: July 31, 2022 by Rajiv Leave a Comment

Intermodulation-distortion

Intermodulation is a phenomenon of combining undesired frequency components within an active system or from an external source.  Combination of two or more signals will create another signal which may fall into another frequency band of the system and cause interference to the system. How does intermodulation distortion occur, what are the causes and how to prevent it? [Read more…] about How does Intermodulation Distortion occur

Filed Under: RF networks, RF testing

Are We Safe From Cell Phone Radiation?

Last Modified: July 31, 2022 by Rajiv Leave a Comment

Cell-Phone-Radiation
Image: LinkedIn

Cell phones and other mobile devices are inevitable for us and it has become integral part of our social and professional life. The users are spread over all the age groups from toddlers to old people. Specification and model varies from basic type to high end smart devices. [Read more…] about Are We Safe From Cell Phone Radiation?

Filed Under: LTE, RF networks, RF testing

Ultimate guide to choosing an RF power amplifier

Last Modified: July 31, 2022 by Rajiv 2 Comments

rf-power-amplifier
Power amplifiers are significant equipment in every RF communication systems. Similar to other amplifiers, RF amplifiers are also used to provide amplification to the signals supplied to its input. In modern wireless communication systems, the signals are complex due to complex modulation schemes. Amplifier selection is a challenging task for engineers due to many of its important characteristics and specifications.
Here let’s take a look on the most important specifications and how to choose a suitable RF amplifier for your next application.

[Read more…] about Ultimate guide to choosing an RF power amplifier

Filed Under: RF equipment, RF networks, RF testing

How to test an RF Isolator and Circulator

Last Modified: April 15, 2017 by Rajiv Leave a Comment

rf-isolatorRF isolators and circulators play an important role in many RF communication systems. Electrical behaviour of each individual unit contributes to overall system performances. Engineers often monitor and test each component during troubleshooting of an RF system.

RF Isolators: are two port passive devices used in RF and communication networks to allow transmission in one direction and give maximum signal isolation in opposite direction.

[Read more…] about How to test an RF Isolator and Circulator

Filed Under: RF networks, RF testing

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

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