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  • May 17, 2012
    article
    Microwaves and RF

    Match Mixers To BTS LTE Receivers

    Determining the half-IF spurious requirements for an LTE cellular communications receiver can ease the task of choosing the appropriate frequency mixer for that design....More
  • Apr. 6, 2012
    article
    Microwaves and RF

    Transceiver Chips Corral MM Waves 2

    This highly integrated SiGe BiCMOS transmitter and receiver chipset clears the way for low-cost, high-data-rate applications in the millimeter-wave frequency spectrum centered at 60 GHz....More
  • Apr. 6, 2012
    article
    Microwaves and RF

    Generating Stable RF/Microwave Signals 1

    Oscillators are following a trend of smaller packages and lower power consumption while also delivering enhanced spectral purity and leveraging a number of different technologies....More
  • Mar. 14, 2012
    article
    Microwaves and RF

    Searching Through Software For A Filter 7

    Although the full-featured suites of software design tools readily tackle RF and microwave filters of all kinds, many lower-cost software options can help with filter design....More
  • Mar. 14, 2012
    article
    Microwaves and RF

    Eying Antennas For Microwave Systems

    Antennas for RF and microwave systems come in many physical shapes and sizes, with a wide range of performance parameters available to suit many different applications....More
  • Dec. 16, 2011
    article
    Microwaves and RF

    Spatial Combining Creates Linear Power 1

    This unique approach to combining the outputs of large numbers of GaAs and GaN MMIC amplifiers can provide solid-state power comparable to vacuum-tube devices....More
  • Dec. 5, 2011
    article
    Microwaves and RF

    Helping Receivers Mature At GEC's HRC

    By exploring the limits of microstrip circuits and structures, GEC Hirst Research Centre helped advance the components and assemblies needed for microwave receivers....More
  • Dec. 5, 2011
    article
    Microwaves and RF

    Reflecting On RF/MW Component Advances 2

    Components provided excellent performance 50 years ago. But they have improved electrically along the way, taking advantage of material and manufacturing advances to shave costs and size....More
  • Oct. 20, 2011
    article
    Microwaves and RF

    Preventing High PIM Distortion

    Minimizing passive sources of intermodulation distortion requires care in the selection of communications-system passive components, including antennas, cables and connectors, and electromagnetic switches....More
  • Oct. 20, 2011
    article
    Microwaves and RF

    New Tacks Are Taken To Roll Out 4G Infrastructure

    As next-generation mobile networks launch in large markets around the globe, the vendors supplying key infrastructure components must innovate new design approaches and techniques....More
  • Oct. 20, 2011
    article
    Microwaves and RF

    Designing For Outer Space 1

    Qualifying microwave components for use in space-based systems requires an extensive set of mechanical, electrical, and environmental tests to ensure that the component can survive the harshest conditions....More
  • Oct. 20, 2011
    article
    Microwaves and RF

    Novel Topology Supports Wideband Passive Mixers 1

    By implementing a trio of circuit innovations, these single and dual RFIC mixers achieve wide-dynamic-range performance over broad bandwidths to 2700 MHz....More
  • Sep. 16, 2011
    article
    Microwaves and RF

    Choosing Military Or COTS Components?

    Designers of defense electronic systems must seek out commercial-off-the-shelf (COTS) components when practicalnot only to save money and avoid obsolescence, but also to integrate the latest technologies available....More
  • Aug. 12, 2011
    article
    Microwaves and RF

    Linearize Power Amps With RF Predistortion

    The use of RF predistortion can improve the linearity of power amplifiers at power levels as low as 500 mW over a wide range of operating conditions for maintaining low system power consumption and cost....More
  • Jul. 14, 2011
    article
    Microwaves and RF

    Switching RF And Microwave Signals

    Switches for RF and microwave applications are fabricated with a number of different device technologies and available with performance levels in a wide range of signal-path configurations....More
  • Jul. 14, 2011
    article
    Microwaves and RF

    Multifunction Modules Save Integration Time

    By combining components within a common housing, RF/microwave engineers are performing some of the integration needed to add high-frequency functionality to commercial and military systems....More
  • May 18, 2011
    article
    Microwaves and RF

    MM-Wave Signals Serve Cell Sites

    The large bandwidths available in certain millimeter-wave frequency bands makes them attractive for use in communications networks that must securely transfer large amounts of data over moderate distances....More
  • Apr. 11, 2011
    article
    Microwaves and RF

    Wireless Infrastructure Keeps Pressure On Amplifiers And Oscillators

    From cost and ease of integration through critical performance factors, amplifier and oscillator designers are performing seemingly impossible feats to meet next-generation infrastructure needs....More
  • Mar. 14, 2011
    article
    Microwaves and RF

    Sorting Through Filter Design Software

    The great need for RF and microwave filters with many different response types accounts for the large number of software design tools on the market, ranging from free tools to sophisticated software suites....More
  • Mar. 14, 2011
    article
    Microwaves and RF

    Passive Components Shrink With Time

    Although surface-mount passive components are a more recent phenomenon, high-frequency circuit designers have been creating miniature components for many decades....More
  • Mar. 14, 2011
    article
    Microwaves and RF

    Evaluating Effects Of Passive Intermodulation

    Intermodulation distortion can stem from both active and passive components, although spurious signals from passive sources are often more difficult to track and control in a communications system....More
  • Dec. 20, 2010
    article
    Microwaves and RF

    RMS Detectors Scan 75-dB Dynamic Range

    This dynamic duo of single-ended detectors delivers the wide detection bandwidth from DC to 3.9 GHz needed for 4G wireless applications such as WiMAX and LTE....More
  • Dec. 20, 2010
    article
    Microwaves and RF

    Design A Stable 14-To-20-GHz Source

    Careful selection of key components and the use of straightforward multiplication schemes can be applied to the design of a low-noise frequency synthesizer for Ku-band signals to 20 GHz....More
  • Dec. 20, 2010
    article
    Microwaves and RF

    Cables Aid Success Of Deep-Space Program

    STROUDSBURG, PACables have contributed to the first and only asteroid dust capture from space. In a seven-year space mission, Japanese scientists confirmed that their Hayabusa space probe captured particles from the asteroid Itokawa. Those ......More
  • Dec. 20, 2010
    article
    Microwaves and RF

    Specifying Mixers And Prescalers

    These frequency-translation devices work in different ways, but provide RF/microwave designers with the means to increase or decrease the frequency of a signal as needed....More

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