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  • Apr. 25, 2013
    Article

    Attenuators Step From 1 To 6000 MHz

    These digital step attenuators operate from 1 to 6000 MHz with 0.25-dB steps in versions with maximum attenuation values of 30, 60, and 90 dB....More
  • Apr. 24, 2013
    Article

    LNA Quiets Cellular And Satcom Radios

    This compact low-noise amplifier provides excellent noise figure from 700 to 3800 MHz....More
  • Apr. 24, 2013
    Article

    MIMO/Diversity Antenna Serves Multiple Applications

    A printed slot antenna provides basic UWB frequency coverage and adds coverage of narrowband wireless systems for GSM and Bluetooth frequency bands to be used in MIMO/diversity systems....More
  • Apr. 23, 2013
    Article

    What’s The Difference Between IEEE 802.11ac And 802.11ad?

    The IEEE 802.11ac and 802.11ad specifications both promise to deliver increased capacity, speed, and performance in different ways, allowing users on-the-go to enjoy even their highest-data-rate applications....More
  • Apr. 22, 2013
    Article

    Single CDTA Leads To Multiple Filters

    An active component, a CDTA, can be used as the basis for a variety of different filter responses, selecting the different responses by changing bias current to the amplifier....More
  • Apr. 19, 2013
    Article

    Q-Band Transceiver Makes MIMO Links

    It is possible to design a small four-way transceiver for applications from 37 to 38 GHz on a single, low-cost multilayer PCB....More
  • Apr. 18, 2013
    Article

    Emulator Takes LTE Testing Into The Real World

    As a key feature of Long Term Evolution (LTE), multiple input multiple output (MIMO) introduces complex radio conditions that may be helped by emulators and other testing solutions....More
  • Apr. 17, 2013
    Article

    Optimize Varactor-Tuned Oscillators

    This accurate model of a varactor diode should help designers of voltage-controlled oscillators (VCOs)....More
  • Apr. 16, 2013
    Article

    Phased-Array Antennas Aid Wireless Communications

    Wireless non-interfering multiple-output (NIMO) systems provide effective communications performance in densely populated areas....More
  • Apr. 15, 2013
    Article

    Eindhoven Is Proving Ground For Improving Traffic Flow

    With greater connectivity, today’s automobiles generate a vast amount of data that can be used to enhance the driving experience while improving traffic condition and road safety....More
  • Apr. 9, 2013
    Article

    High-Def Scopes Grab 0.2 To 1 GHz

    A line of digital oscilloscopes uses 12-b ADCs and advanced filtering to render 15-b effective signal-analysis resolution....More
  • Apr. 9, 2013
    Article

    Measure Noise Without A Calibrated Source 1

    It is possible to measure the noise figure of a component or DUT without a calibrated noise source by using a source capable of generated two different input noise levels to the DUT....More
  • Apr. 9, 2013
    Article

    Helical Antenna Links GSM/UMTS 1

    This compact antenna covers multiple cellular bands by configuring one helical antenna within another....More
  • Apr. 9, 2013
    Article

    Source Serves FMCW Radar

    A commercial direct-digital synthesizer was used as the linear source in an FMCW radar system, with excellent results....More
  • Apr. 8, 2013
    Article

    Interview: Eran Eshed, Co-Founder, Altair Semiconductor

    Eran Eshed, Co-Founder of Altair Semiconductor, offers his thoughts on the LTE landscape....More
  • Apr. 5, 2013
    Article

    Automobiles Racing To Higher Frequencies

    Automotive designers are taking advantage of unused frequency bands for control and communications among different electronic subsystems....More
  • Apr. 4, 2013
    Article

    Drone Controversy Continues

    A large part of the population—in the US and probably abroad—is concerned about drones, and their numbers and efforts are growing....More
  • Apr. 3, 2013
    Article

    Photonics Modulator Reaches 60 Gb/s

    By successfully creating silicon photonics modulators that use advanced modulation formats, IME and Fujikura are paving the way for future ultra-high-bandwidth long-haul telecommunications....More
  • Apr. 3, 2013
    Article

    25-GSamples/s DAC Powers Function Modules

    A line of function modules is now available to generate signals through about 12 GHz using a 25-GSamples/s, 10-b DAC....More
  • Apr. 3, 2013
    Article

    EM Simulator Enhanced For 2013

    This latest version of a powerful EM simulator features new solver technology and a streamlined new GUI....More
  • Apr. 3, 2013
    Article

    Handling The Heat In RF/MW Circuits

    Thermal management in high-frequency circuits depends on careful choice of circuit and packaging materials to remove heat and preserve high performance levels....More
  • Apr. 2, 2013
    Article

    Standards Update

    From competing wireless power standards to the latest in Wi-Fi and ZigBee, the industry is pushing specifications forward to meet future technology and product needs....More
  • Apr. 1, 2013
    Article

    Industry Mourns Loss Of Jerry Fishman, ADI CEO

    On March 31, 2012, Jerry Fishman, Analog Devices’ CEO, passed away suddenly—leaving a company and an industry to grieve his loss....More
  • Apr. 1, 2013
    Article

    Vacuum Devices Drive High Power

    Vacuum electron devices are still widely used throughout the high-frequency industry for applications requiring extremely high output-power densities....More
  • Mar. 29, 2013
    Article

    RFMD Changes GaAs Strategy

    By altering its GaAs sourcing, RFMD expects to optimize manufacturing capacity, lower costs, and generate more stable operating results....More

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