Here, we would like to report on the development of a 3.5 GHz filter operating in band 42 of the LTE frequency band[1]. The filter consists of 8
Filters and tunable materials for 5G
First radio implementation and history Heinrich Hertz, 1887: First spark generator at Karlsruhe High-School for Technology A century forward –
RF Attenuators
Variable control devices play an important role in modern communication systems. Examples of such devices - variable phase shifters, couplers and