Variable attenuators, along with phase shifters, antennas and filters, are important RF devices widely used in modern telecommunication systems, such
How to design a phase shifter?
Phase shifters, together with filters and antennas, form one of the basic building blocks of modern telecommunication systems. They are extensively
How to design and tune a microstrip antenna?
Microstrip antennas trace their history back to the 1950s, when the concept of microstrip radiator was introduced by Deschamps [1]. The development of
How to design and tune an RF filter?
Radio Frequency (RF) filters are very important in all types of telecommunications equipment. They help filter out the unwanted frequencies and only