Rohde & Schwarz
Rohde & Schwarz

Op Amp Gain Calculations & Tutorial

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


Comparison of 8-QAM, 16-QAM, 32-QAM, 64-QAM 128-QAM, 256-QAM

Find out all about the data rates, noise margins and the advantages and disadvantages of the different forms of QAM, quadrature amplitude modulation.


Types of Diode

Summary of the different types of diodes used in electronics with links to further in-depth pages on individual diode types with circuit design details.


Free Space Path Loss Formula & Calculator

Overview about the free space path loss, FSPL, details, formula and calculator for easy calculations.

Facts of the day

22 October 2014

History - This day in 1797, Andre-Jacque Garnerin made the first parachute jump. He lept from a balloon at Parc Monceau in Paris using a seven-metre silk parachute that resembled an umbrella.

Quote - The only way to discover the limits of the possible is to go beyond them into the impossible. - Arthur C Clarke

Fact - There are 1,929,770,126,028,800 different colour combinations on a Rubix cube.


Wi-Fi 802.11 Channels & Frequencies

List of Wi-Fi / WLAN / 802.11 bands, their channel frequencies and bandwidth, 2.4 & 5 GHz allocations worldwide, & summary of which WiFi channels can be used together.


RF Signal Generator Essentials

Essentials of Radio Frequency, RF signal generators or microwave signal generators, facilities, capabilities, operation, etc . . . news from

Redefining LTE for IoT
ARM and NextG explain 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 whitepapers

Fundamentals of RF and Microwave Measurements (RF2-1114)
Learn all the key issues and techniques of RF and microwave measurements on this two day course.

More training courses

From Machine to Machine to the Internet of Things
From Machine to Machine to the Internet of Things

Vlasios Tsiatsis, Ioannis Fikouras, Stefan Avesand, Stamatis Karnouskos, Catherine Mulligan, David Boyle, Jan Holler
Machine to machine communications is set to grow at a very fast rate. New...
Read more . .

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