Rohde & Schwarz

Cellular Base Station Installation & Maintenance Challenges

Kashif Hussain, CellAdvisor Solutions Marketing at Viavi Solutions looks at some of the challenges facing the installation and maintenance of cellular base stations.


Antenna feed impedance

Overview, summary, tutorial about RF antenna or aerial feed impedance and the importance of matching RF andtennas to feeders. Radiation resistance, loss resistance, and efficiency are also detailed.


Op Amp Notch Filter Circuit

The circuit, calculations and design considerations for a single op amp notch filter and a twin T notch filter using an operational amplifier.


Dynamic RAM, DRAM Operation & Function

The operation and function of the dynamic RAM, DRAM, detailing how DRAM chips work and how they are used within a circuit.

Facts of the day


Digital Multimeter Tutorial

Concise introduction and tutorial to the DMM, Digital Multimeter, what a DMM is, how one works and how to use a DMM to measure voltage, current resistance, etc.

12 June 2017 | Patrick Osterloh | Toshiba Electronics Europe

A Custom SoC Design Alternative to ASIC and FPGA

New solution for high performance, low power and low system cost bridges the gap between ASIC and FPGA technology, providing significant benefits

A Custom SoC Design Alternative to ASIC and FPGA news from 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