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  • Sep. 17, 2012
    Article

    Flat-Panel Antenna Combines Polarizations

    The HyperLink HG2414DP-3NP flat-panel antenna is designed for multiple-input, multiple-output (MIMO) point-to-point and point-to-multipoint applications in the 2.4-GHz frequency band....More
  • Sep. 17, 2012
    Article

    LDMOS Device Delivers 1 kW

    Model PTVA101K02EV is a high-power silicon RF LDMOS field-effect transistor (FET) designed for use in power amplifiers operating in the frequency range from 1030 to 1090 MHz....More
  • Sep. 17, 2012
    Article

    GaN Powers 10-W Amplifiers

    The NuPower™ line of L- and S-band solid-state power amplifiers is ideal for unmanned aerial vehicles (UAVs) and unmanned aircraft systems (UAS) applications, as well as for broadband telemetry and communications....More
  • Sep. 13, 2012
    Article

    DDS Clocks To 3.5 GHz 2

    Direct-digital-synthesizer (DDS) frequency sources continue to gain in speed. This progression is epitomized by the new model AD9914 DDS from Analog Devices (www.analog.com), capable of operating at clock frequencies to 3.5 GHz....More
  • Sep. 13, 2012
    Article

    CRLH T-Lines Form Small Antenna

    As wireless communications applications expand, demand increases for compact antennas capable of supporting reliable communications....More
  • Sep. 12, 2012
    Article

    Microwave Innovations Touch Down In Amsterdam 11

    Next month, European Microwave Week (EuMW; www.eumweek.com) 2012 is scheduled to be held in Amsterdam, The Netherlands. From October 28 through November 2, conference-goers will be able to take place in this international event...More
  • Sep. 11, 2012
    Article

    Preparing For High Power Levels 3

    How much power can it handle? That is a question inevitably asked about most components meant for transmitters—and usually for passive components, such as filters, couplers, and antennas....More
  • Sep. 11, 2012
    Article

    From Battlefield To Supermarket

    Warfare has long been a motivational force behind the development of new technology. As the Allied and Axis forces battled during World War II, each side sought to improve the reliability and accuracy of their new technological weapon (radar) for any advantage in detecting the presence of an adversary....More
  • Sep. 10, 2012
    Article

    Receiver, Module Tackle EMC Testing

    Coexistence of multiple electronic devices within close proximity requires that those devices achieve a certain level of electromagnetic compatibility (EMC). To do so, they products must be tested in a properly shielded enclosure and with an accurate measurement receiver, such as the PMM 9010 from Narda Safety Test Solutions....More
  • Aug. 10, 2012
    Article

    Small Cells Herald New Infrastructure Model 3

    The same story is being told in many places: Now that high-bandwidth applications have been adopted en masse by cellular-phone and tablet users, wireless system operators are running out of capacity. As they face this shortage, consumers are rapidly growing in number and adopting more data-intensive applications. As a result, there has been much debate and hand-wringing over how sufficient capacity can be provided. The answer is a new approach to cellular infrastructure—the heterogeneous network (HetNet)....More
  • Aug. 9, 2012
    Article

    Buck Converter Drops Static Power To 217 nW 2

    In many medical monitoring systems, each patient wears several sensors. Those sensor nodes transmit specific physiological signals in a group of small monitoring systems. The sensed data is collected wirelessly by the central health server. Because each sensor node works as a micro system, it must be sustained for a long time without changing the battery....More
  • Jul. 11, 2012
    Article

    Conquer Phase Noise And Jitter In Frequency Standards

    To measure a signal’s noise level, phase noise or jitter can be used. The choice depends largely on the application, although jitter can be calculated from phase noise if the phase-noise characteristic is known. In a five-page white paper titled, “Designing for Exceptional Phase Noise and Jitter Performance in Precision GPS Frequency Standards,” Precision Time and Frequency, Inc. provides a concise overview of the steps and considerations needed to design a high-performance, low-noise, precision-frequency standard....More
  • Jul. 11, 2012
    Article

    60-GHz Helical Array Relies On LTCC 1

    Several gigahertz of bandwidth are now available in the 60-GHz band for short-range communications applications. For antennas, this trend has reinforced the move from discrete designs to integrated on-chip or in-package solutions. For designs that are closer to bringing low-cost, highly integrated 60-GHz solutions to fruition, multilayer, low-temperature co-fired ceramic (LTCC) technology has been used successfully....More
  • Jul. 2, 2012
    Article
    Microwaves and RF

    Meet The Challenges Of Testing Eight-Antenna LTE 2

    Some LTE communities are pioneering eight-antenna technologies to reap even higher performance gains. Such advanced technologies will make the choice of test methodology even more critical. To find the right approach, it is essential to have a solid understanding of the antenna techniques used for each version of LTE....More
  • Jun. 14, 2012
    article
    Microwaves and RF

    Products Range To MM Waves

    For the first time, API Technologies Corp. has assembled its full line of RF, microwave, and millimeter-wave products on one exhibit floor: the 2012 IMS exhibition. API will showcase its extensive lines of components and subsystems, including amplifiers ......More
  • Jun. 13, 2012
    article
    Microwaves and RF

    VCO Frequency-Calibration Approach Delivers Speed And Accuracy

    In multiband, multi-mode RF transceivers, engineers often opt to use a single, wideband phase-locked-loop (PLL) synthesizer. Before the PLL's closed-loop locking process begins, voltage-controlled-oscillator (VCO) frequency calibration is used to find ......More
  • Jun. 13, 2012
    article
    Microwaves and RF

    OCXO Cuts Noise To 40 MHz

    Model OX-501 is a surface-mount oven-controlled crystal oscillator (OCXO) that is ideal for cellular base stations and military communications equipment, as well as in test equipment. It is supplied in a 6-pin surface-mount package and available in ......More
  • Jun. 13, 2012
    article
    Microwaves and RF

    Modulator Runs 50 To 1000 MHz

    Model PSM-50M1G-CD-1 is a single sideband (SSB) modulator designed for use from 50 MHz to 1 GHz. It has an intermediate-frequency (IF) range of DC to 10 MHz and IF modulation power range of +7 to +13 dBm into 50 O. The SB modulator features an input 1-dB ......More
  • Jun. 13, 2012
    article
    Microwaves and RF

    Converting Frequencies With Microwave Mixers

    Frequency translation is necessary within many high- frequency systems, and RF/microwave mixers are the key components providing this vital function....More
  • May 17, 2012
    article
    Microwaves and RF

    Synthesizers Shave Size And Noise

    These synthesizers enlist DDS technology in combination with a VCO to achieve low phase noise and excellent spurious performancedoing so at a fraction of the size and cost of conventional PLL synthesizers....More
  • May 17, 2012
    article
    Microwaves and RF

    Modules Team Multiple Switches

    These compact multiple-switch modules provide improved performance in small package sizes by trimming losses from coaxial connectors and interconnecting cables....More
  • May 17, 2012
    article
    Microwaves and RF

    SCRLH Resonators Power UWB Divider 1

    The use of tunable resonator circuits can provide selective rejection of unwanted signals within the ultrawideband (UWB) frequency range of a two-way power divider....More
  • May 17, 2012
    article
    Microwaves and RF

    Dividers Split Power With Minimal Loss

    These compact, low-frequency, passive coaxial power dividers can be supplied with up to 16 output ports, perfect for broadband radar and communications applications requiring tight phase and amplitude control....More
  • May 17, 2012
    article
    Microwaves and RF

    Mixer Translates 110 To 170 GHz 1

    These high-performance mixers are designed for use at millimeter-wave frequencies and with a wide range of local-oscillator signals and various amplitude levels....More
  • May 17, 2012
    article
    Microwaves and RF

    SIW And CDGS Combine For BPF

    By combining lowpass and highpass filters, it is possible to design and fabricate an extremely compact bandpass filter with relative bandwidth that exceeds 78%....More

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