Rohde & Schwarz

GPRS General Packet Radio System Tutorial

GPRS, General Packet Radio Service, provides the GSM upgrade technology used to carry packet data at speeds up to 172 kbps.

Gunn Diode Tutorial

Gunn diode or Transferred Electron Device tutorial with information about its use in microwave applications and its structure, technology, and operation.


What is QAM - All the Essentials

Read all about QAM, Quadrature Amplitude Modulation: what it is, how it works, where it is used and its advantages and disadvantages.

Wireless M-Bus, WM Bus

With costs of reading meters rising, a wireless version of the M-Bus or Metering Bus can be used to collect data remotely. Read how it works.

Facts of the day

2 September 2014

History - It was on 2nd September 1666 that the Great Fire of London broke out. It burned for over three days and destroyed much of what was then London including over 10 000 buildings.

Quote - All truths are easy to understand once they are discovered; the point is to discover them. Galileo Galilei

Fact - One ounce of gold can be drawn into eight kilometres of wire.


Current Sense Transformer Performance

Paul Lee, Director of Business Development, Murata Power Solutions UK, describes some techniques to employ to achieve best performance for current transformers used for monitoring, control and protection news from

GPS GLONASS, Galileo and BeiDou for Mobile Devices
GPS GLONASS, Galileo and BeiDou for Mobile Devices

Ivan G Petrovski
Location services are an increasingly important element for mobile handsets....
Read more . .

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