Notch filters are band-reject filters or stop band filters designed to provide maximum attenuation or rejection to a particular range of frequency. A band-reject filter with a narrow stop band is usually known as a notch filter.
RF testing
PCB Materials used for Radio Frequency Applications
Printed circuit boards, or PCBs, are made from a variety of materials, the most common of which is fiberglass. The fiberglass is mixed with an epoxy resin and then layered with a copper foil. The foil is then etched away to create the desired circuit pattern. Find out different types of PCB materials for Radio Frequency applications. [Read more…] about PCB Materials used for Radio Frequency Applications
Vector Network Analyzer Basics
Network analyzers are electronic instruments used to measure the characteristics of electrical networks, such as impedance, AC voltage and current, and distortion. RF network analyzers can be used for a variety of applications, such as characterizing filters, amplifiers, and impedance matching networks; measuring noise figure and gain; and troubleshooting RF circuits. Find out some basics of Vector Network Analyzer. [Read more…] about Vector Network Analyzer Basics
Remote Control Interfaces For RF Test Instruments
There are a variety of RF instrument control interfaces available, each with its unique capabilities and features. Interfaces are devices (connecting devices) that allow radio frequency test equipment to be connected to a computer. Here are the most common remote control interfaces for RF test instruments. [Read more…] about Remote Control Interfaces For RF Test Instruments
Tools for RF Test and Measurement Automation
RF testing can be quite complex, depending on the type of device being tested and the desired results. Generally, RF testing requires specialized equipment and knowledge to properly set up and execute the tests. Here, we discuss some of the common tools used for RF test and measurement automation. [Read more…] about Tools for RF Test and Measurement Automation