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Sep 15, 2016
Datasheet
Microwaves and RF

UWB Bandpass Filter Includes Notched Band (.PDF Download)  

Development of ultrawideband (UWB) communications systems requires the design of many different component functions, including bandpass filters (BPFs) with acceptable selectivity. To serve UWB communications applications, a compact UWB BPF with reasonable selectivity and an integral notched band was fabricated with two interdigital, coupled, three-line structures. Selectivity was improved by adding another signal path loaded by two short-circuit stubs....More
Sep 14, 2016
Datasheet
Microwaves and RF

Materials Make the Difference in Low-PIM PCB Antennas (.PDF Download)  

Antennas are the beginning and end components of many communications systems, and the performance of modern wireless communications networks depends on these antennas achieving low passive-intermodulation (PIM) levels. PIM is a complex phenomenon that results in the generation of spurious energy. It is not caused by circuit materials, but results from the design and mechanical structure of high-frequency circuits, from circuit-assembly practices, and/or from system-level effects......More
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