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More in Passive components

  • Jan. 2, 2013
    Article

    Simulation And Modeling Are Key To Auto-Antenna Success

    Modeling and simulation are critical to understanding and overcoming issues with multi-antenna configurations on today’s automotives and military vehicles....More
  • Dec. 28, 2012
    Article

    Wide Filter Stopband Aids UWB Systems

    An ultrawideband (UWB) bandpass filter was developed with minimal passband loss over the UWB frequency range from 3.1 to 10.6 GHz, but with high rejection in the upper stopband....More
  • Dec. 12, 2012
    Article

    Getting a Grip On SAW Filters

    A free white paper provides basic information for specifying SAW filters....More
  • Dec. 6, 2012
    Article

    SIW Filter Screens Narrow Bandwidth

    With the help of computer simulations, a substrate-integrated-waveguide (SIW) filter was designed with asymmetrical response at 11 GHz....More
  • Dec. 6, 2012
    Article

    UWB Antenna Adds Two Notches

    This ultrawideband (UWB) antenna saves on filters by incorporating two notches to eliminate interference from WLAN and WiMAX signals....More
  • Dec. 6, 2012
    Article

    Interview: Tim Dunn, Vice President of Mobile Devices, TriQuint Semiconductor 1

    TriQuint Semiconductor's Tim Dunn chats with Microwaves & RF about smartphone filtering advances....More
  • Dec. 3, 2012
    Article

    Top 2012 Products Blend Value and Performance 1

    The top products of 2012 embody the creativity and ingenuity of the RF/microwave industry’s design-engineering community....More
  • Nov. 30, 2012
    Article

    Move From Microstrip To Wide Slotline

    A transition capable of changing from a low to a high impedance can maintain wide bandwidth, with an example achieving a range of 3.20 to 6.22 GHz....More
  • Nov. 29, 2012
    Article

    EuMW Amsterdam Delivers On New Technology 3

    European Editors Sally Ward-Foxton and Paul Whytock report their findings from the 15th Annual European Microwave Week....More
  • Nov. 28, 2012
    Article

    Directional Coupler Spans 10 To 50 GHz

    Model C-1050-20 is a 20-dB directional coupler with 10-dB directivity from 10 to 50 GHz....More
  • Nov. 20, 2012
    Article

    RFID Stent Tag Senses Vessel’s State 1

    With the ability to monitor processes as they evolve, radio frequency identification (RFID) can benefit telemedicine and health-monitoring devices....More
  • Nov. 13, 2012
    Article

    Spiral Antenna Cuts Low Profile To 9.4 GHz

    An Archimedean spiral antenna features a unique transmission-line approach to achieve a bandwidth of 0.8 to 9.4 GHz in a compact size....More
  • Nov. 12, 2012
    Article

    Energy Harvesting Is Ready For The Big Time 4

    As wireless-sensing components boost efficiency and other performance criteria, energy-harvesting solutions are moving beyond a niche and into everyday applications....More
  • Nov. 12, 2012
    Article

    Base-Station Coupler Links 800 to 2500 MHz

    A line of high-power couplers for cellular base stations provides low PIM performance from 800 to 2500 MHz....More
  • Nov. 12, 2012
    Article

    Power Splitters Work In Buildings

    A line of unequal power splitters offers division ratios from 2:1 to 10:1 at frequencies from 698 to 2700 MHz....More
  • Nov. 9, 2012
    Article

    Low-PIM Cables Jump DC To 3 GHz 2

    A line of low-PIM coaxial cable assemblies has been extended for applications to 3 GHz....More
  • Oct. 22, 2012
    Article

    Couplers Channel High Power To 4 GHz

    A directional coupler designed for high input power can handle peak levels to 8 kW from 2 to 4 GHz....More
  • Oct. 19, 2012
    Article

    X-Band Antenna Arrays Enrich RHCP

    To minimize radiation loss for long-distance communication, SIW-based antenna arrays have been employed while sequential feeding is adopted to enhance RHCP characteristics....More
  • Oct. 11, 2012
    Article

    Antenna Aims At Dual Bands

    Antennas are critical components in WLAN and other wireless systems. A modified ground structure can be employed to effectively design them for wireless applications....More
  • Oct. 11, 2012
    Article

    Slot Antenna Uses Dual Polarization

    Improving upon previous dual-polarized antenna designs, the authors have developed a broad beamwidth slot antenna featuring low cross-polarization and high isolation....More
  • Oct. 10, 2012
    Article

    Arming Antennas With Dual Bandstops

    Various methods can achieve an antenna with band-notched characteristics. With the present design, the authors inserted C-shaped slots in various antenna configurations to create a desired frequency stopband....More
  • Oct. 8, 2012
    Article

    Methodology Optimizes Design Of Scalp-Implantable Antennas 1

    In the area of implanted medical devices, antenna-enabled biotelemetry is gaining attention for its potential to overcome the limitations of inductive biotelemetry. Such issues include low data rate, restricted communication range, and sensitivity to inter-coil misalignment....More
  • Oct. 8, 2012
    Article

    Planar Antenna Captures NFC Data 1

    A near-field communications (NFC) antenna enables mobile telephones to read data from a source at distances to 40 mm. The antenna sends and receives clear signals even when installed in close proximity to a battery or metal housing....More
  • Sep. 26, 2012
    Article

    Power Divider Muscles 250 W

    Model 2372A-2 is a two-way power divider from Narda Microwave-East, an L-3 Communications Co., that is designed for large loads: as much as 250 W CW power from 0.5 to 2.5 GHz....More
  • Sep. 26, 2012
    Article

    Limiter Polices Power To 8 GHz

    Limiters help control power levels within a system, protecting sensitive components (like receivers) from sudden surges in signal level. The model LM-2G8G-13-5W-SFF limiter from Planar Monolithics Industries provides that type of protection over a broad frequency range from 2 to 8 GHz....More

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