Rohde & Schwarz

Supercapacitor or Ultracapacitor

Find out about the supercapacitor also known as the supercap or ultracapacitor: what they are, how they work, applications and all the essential details.

cJTAG IEEE 1149.7 Standard

A summary, overview or tutorial of the basics of Compact JTAG or cJTAG defined under IEEE 1149.7 standard for boundary scan testing.


Op Amp Gain Calculations & Tutorial

Essential circuit details, equations and calculations for operational amplifier gain for generic, open and closed loop circuit configurations.

Facts of the day

2 October 2014

History - It was on this day in 1836 that the naturalist Charles Darwin returned to Falmouth, England after a five-year journey collecting biological data he later used to develop his theory of evolution.

Quote - Science is organized knowledge. Wisdom is organized life. - Immanuel Kant

Fact - The name of the search engine Google is a play on the word googol, meaning a figure of 1 followed by a hundred zeros. The name was chosen to give an indication of the size of the indexing.


Satellite Orbit Types & Definitions

Notes and details about satellite orbits: the basics; different types of satellite orbit; & satellite orbit definitions.


Yagi antenna

Overview, summary, tutorial about the Yagi antenna sometimes called the Yagi-Uda RF antenna that is widely used where gain and directivity are required from an RF antenna design. news from

Radio Receiver Technology: Principles, Architectures and Applications
Radio Receiver Technology: Principles, Architectures and Applications

Ralf Rudersdorfer
As the name implies, this book provides a complete description of current radio...
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Redefining LTE for IoT
Find out how LTE with its high data rates, complexity and capacity can be used to provide effective communications for IoT with its lower complexity and data rate requirements. More... is operated and owned by Adrio Communications Ltd and edited by Ian Poole. All information is © Adrio Communications Ltd and may not be copied except for individual personal use. This includes copying material in whatever form into website pages. While every effort is made to ensure the accuracy of the information on, no liability is accepted for any consequences of using it. This site uses cookies. By using this site, these terms including the use of cookies are accepted. More explanation can be found in our Privacy Policy