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More in Test & Measurement - analyzers

  • Oct. 2, 2012
    Article

    Demystify Integrated-Phase-Deviation Results In Phase-Noise Measurements 10

    Most modern spectrum analyzers have an automatic measurement for determining the integrated phase deviation of a mostly sinusoidal signal across a range of offset frequencies. The results can be expressed in units of dBc or rads....More
  • Sep. 12, 2012
    Article

    Advances Aid Antenna Testing 4

    Engineers involved with antenna calibration and testing—especially for multiple-antenna applications—just got a lift, courtesy of a new digital downconversion option for the model M9703A AXIe eight-channel digitizer from Agilent Technologies....More
  • Aug. 29, 2012
    Article

    Analyzer Checks MIMO To 26.5 GHz

    Multiple-input, multiple-output (MIMO) antenna arrays can challenge even the best conventional spectrum analyzers. However, a new PXI-based modular test system includes all the components needed for broadband MIMO testing to 26.5 GHz at bandwidths as wide as 780 MHz....More
  • Aug. 29, 2012
    Article

    Spectrum Analyzer Breaks Cost Barriers

    While high-quality spectrum analyzers are usually associated with high price tags, the model DSA815 analyzer from Rigol Technologies breaks with that tradition by providing frequency coverage from 9 kHz to 1.5 GHz....More
  • Aug. 29, 2012
    Article

    USB Sensor Reads Power To 4 GHz

    New from Mini-Circuits, model PWR-4RMS is a true root-mean-square (RMS) power sensor that can measure the power levels of continuous-wave (CW) and modulated signals from 50 MHz to 4 GHz across a power-level range of -35 to +20 dBm....More
  • Aug. 20, 2012
    Article

    Optimize Signal/Spectrum Analyzer Throughput For High-Volume Manufacturing Test 5

    To obtain the highest throughput for the analyzers used in manufacturing test, one should create a test plan that accounts for speed, repeatability, and dynamic range....More
  • Aug. 10, 2012
    Article

    Low-Cost Analyzer Scans 9 kHz To 1.5 GHz

    Spectrum analysis is a necessary function in many test laboratories, but one that usually comes with a premium price tag. The DSA815 spectrum analyzer from Rigol Technologies (www.rigolna.com) represents a cost-effective alternative for engineers in need of this measurement capability but with limited funds. This full-featured instrument incorporates an all-digital intermediate-frequency (IF) section for accurate, high-resolution measurements from 9 kHz to 1.5 GHz...More
  • Aug. 10, 2012
    Article

    PXI Vector Analyzer Tackles MIMO

    Wide analysis bandwidth is an essential requirement for certain modern communications testers—notably, for systems based on multiple-input, multiple-output (MIMO) antennas. Unfortunately, conventional test tools like spectrum analyzers provide only limited analysis bandwidths. To create a solution for such challenges, Agilent Technologies (www.agilent.com) recently introduced a wideband MIMO PXI vector signal analyzer (VSA)....More
  • Aug. 10, 2012
    Article

    Microwave Legends 2012 8

    Legendary efforts and exploits have accounted for the rich history of this industry. Whether it was an engineer with a particular vision, or a facility that excelled in turning out innovations, the character of this industry has grown strong because of the integrity of many special individuals who have contributed to RF/microwave technology and its applications....More
  • Aug. 8, 2012
    Article

    Delay Lines Help Testing Radars

    A pair of delay lines from Eastern OptX (EOX), fixed model E-501 and variable model E-3001, provides bench top capability of replicating radar ranges for evaluating different components used in radar systems. According to Joe Mazzochette, the company’s General Manager, “Using EOX delay lines can reduce or eliminate outdoor target range testing. Field testing is expensive and unpredictable....More
  • Aug. 1, 2012
    Article

    LeCroy Adds Probes, Scopes

    LeCroy Corp. recently bolstered its test solutions portfolio through additions to its WaveAce oscilloscope lines and WaveLink differential probe families. The WaveAce 1000 and 2000 series were added to the versatile oscilloscope product lines, with WaveAce 1000 sampling rates to 1 GSamples/s and 2 Mpoints of memory in two-channel models from 40 to 100 MHz, and WaveAce 2000 sampling rates to 2 GSamples/s and 24 kpoints of memory in two- and four-channel models from 70 to 300 MHz. The compact scopes use 7-in....More
  • VectorStar MS4640A series VNA
    Jul. 11, 2012
    Article

    VNAs Measure Noise From 70 kHz to 125 GHz 1

    Noise figure is a parameter well-known to receiver designers, and a key measure of determining a receiver’s ultimate signal sensitivity. Measurements of noise figure have often been reserved for specialized test systems. But this needn’t be the case, thanks to the new noise-figure measurement capability (option MS-4640A-041) that can be built into the VectorStar MS4640A and ME7838A series vector network analyzers (VNAs) from Anritsu Co. (www.anritsu.com)....More
  • Jun. 17, 2012
    article
    Microwaves and RF

    Microwaves & RF reports from IMS 2012

    IMS 2012, Day 3: A Sea of Semiconductor Vendors Plumbing as a metaphor for microwaves Lou Frenzel summarizes some of what he saw and heard from the many semiconductor vendors that were represented at this year's event. June 21, ......More
  • Jun. 14, 2012
    article
    Microwaves and RF

    Tackling MW Tests With Modular Instruments

    Modular instrumentation is almost synonymous with National Instruments, and many of these compact measurement solutions can be viewed at the 2012 IMS (booth No. 1315). For example, the company will show a wide range of its compact PXI-based RF and ......More
  • Jun. 14, 2012
    article
    Microwaves and RF

    Test Instruments Set New Accuracy Levels

    As in years past, the 2012 IMS exhibition provides an effective means of quickly assessing current industry test and measurement capabilities. One booth worth a visit is Agilent Technologies (No. 1015), with 25 different instrument and simulation ......More
  • Jun. 13, 2012
    article
    Microwaves and RF

    Know The Ins And Outs Of Testing IEEE 802.11ac

    Currently, wireless-local-area-networking (WLAN) standards are evolving to satisfy an increasing number of usage models. These efforts have spawned two IEEE project groups. Working Group TGac wants to specify IEEE 802.11ac as an extension of 802.11n. ......More
  • Jun. 13, 2012
    article
    Microwaves and RF

    Teseq Announces IFI Acquisition

    In a move intended to broaden its product line in the RF-amplifier market, Teseq has unveiled plans to acquire Ronkonkoma, NY-based Instruments for Industry (IFI). Established in 1953, IFI designs and manufactures RF and microwave, solid-state, and ......More
  • Jun. 6, 2012
    article
    Microwaves and RF

    Probing RF S-Parameters

    Vector network analyzers (VNAs) are something of an "expensive voltmeter" for the RF/microwave industry. They are invaluable test tools that are used to measure all four S-parameters on active and passive devices, and can use those test results to create ......More
  • Apr. 6, 2012
    article
    Microwaves and RF

    Portable Analyzer Scours Radio Waves

     ...More
  • Apr. 6, 2012
    article
    Microwaves and RF

    Extend The Range Of EVM Measurements

     ...More
  • Apr. 6, 2012
    article
    Microwaves and RF

    Probing Problems Based On EMI

     ...More
  • Mar. 14, 2012
    article
    Microwaves and RF

    Scope Grabs 4-GHz Signals

    The model R&S RTO1044 4-GHz real-time oscilloscope is suitable for use with the new model R&S RT-ZD40 differential probe with 4.5-GHz bandwidth for analysis of circuit designs through 4 GHz. The oscilloscope, with its combination of wide dynamic ......More
  • Mar. 14, 2012
    article
    Microwaves and RF

    Reigning In PIM In Cellular Systems

    Portable test equipment is simplifying the task of checking on the effects of passive intermodulation contributed from the different components in wireless communications systems....More
  • Mar. 14, 2012
    article
    Microwaves and RF

    Digital Scopes Conquer 1 GHz

    These instruments have a great deal more to offer than simply oscilloscopes, with the capabilities of logic analyzers, function generators, and protocol analyzers included....More
  • Mar. 14, 2012
    article
    Microwaves and RF

    Get The Measure of LTE Device Radiated Spurious Emissions-Fast

    The R&S OSP-B155 option from Rohde & Schwarz simplifies the measurement of radiated spurious emissions on LTE devices. Radiated emissions can be a problem with some wireless designs, especially when the levels of those emissions are ......More

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