Skip to content

News

RSS
  • December 16, 2020

    IP Ratings Explained

    IP Dust and Water Protection Rating This section provides a short overview and essentials of the classification. For more details, please refer to the latest original publication IEC 60529 (direct ordering or list of local sources via Internet www.iec.ch). IP...

    Read now
  • December 16, 2020

    Frequency Band Designations

    Frequency Band Designation Typical Frequency Range VHF Band 100 to 300 MHz UHF Band 300 to 1000 MHz Terrestrial Trunked Radio (TETRA) 300 to 1000 MHz CDMA 450 420 to 495 MHz 700 MHz Public Safety Band 764 to 869...

    Read now
  • December 16, 2020

    Long Term Evolution (LTE)

    – A White Paper from the UMTS Forum What is LTE? Long Term Evolution (LTE) describes standardization work by the Third Generation Partnership Project (3GPP) to define a new high-speed radio access method for mobile communications systems. LTE is the...

    Read now
  • Reactive Splitters
    December 16, 2020

    Reactive Splitters

    Reactive RF Splitter Introduction Reactive splitters have long been the prevailing signal distribution component for antenna arrays and radiating cable systems for in-building deployments because of their low loss and rugged nature. Unlike Wilkinson power dividers that use internal resistors...

    Read now
  • Power Dividers as Combiners (MAP-801)
    December 16, 2020

    Power Dividers as Combiners (MAP-801)

    We can help you avoid costly mistakes! The limiting factor for most Wilkinson power dividers used as combiners is power dissipation. When input signals are out of phase, non-coherent or have amplitude unbalance this causes a cancellation across the isolation...

    Read now
  • Hybrid Coupler Basics
    September 24, 2020

    Hybrid Coupler Basics

    3dB, 90° Hybrid Couplers A 3 dB, 90° hybrid coupler is a four-port device that is used either to equally split an input signal with a resultant 90° phase shift between output ports or to combine two signals while maintaining...

    Read now
  • Directional Coupler Basics (MAP-701)
    September 24, 2020

    Directional Coupler Basics (MAP-701)

    Introduction Over the years many different techniques have been utilized to bring about the physical realization of directional couplers. The scope of this article is limited to discussion of quarter-wavelength, coaxial, directional couplers, as this type of coupler represents a...

    Read now