keysight technologies emi receiver x-series measurement application, multi-touch N6141C technical overview C measure emissions with built-in commercial and milstd compliant band - widths, detectors, and band presets C compare measured emissions to regulatory limits C continuously monitor signal with bar meters to detect maximum amplitude C collect lists of suspect emissions C differentiate between ambient signals and device emissions C generate reports in html format including signal list, images and trace, and correction data C multi-touch user interface and scpi remote user interface C extend test assets with transportable licenses between x-series signal analyzers with multi-touch user interface
02 | keysight | N6141C emi receiver x-series measurement application, multi-touch - technical overview emi measurement application to avoid costly delays that can result from failed compliance testing, keysights emi measurement application on x-series signal analyzers allows you to perform precom - pliance measurements and diagnostic evaluation of your designs. find and fix problems before they enter the test chamber with the N6141C measurement application on the n9040b uxa, n9030b pxa, n9020b mxa, n9010b exa, or n9000b cxa. the applications wide range of features enables you to: C use the scan table to set up frequency ranges, gains, bandwidths, and dwell time C scan a frequency range and display the results in log or linear format C identify suspect signals in the frequency scan C measure the peak, quasi-peak, emi-average or rms-average values of these suspect signals and place the results in the signal list C easily identify signals that fail the regulatory agency limit x-series measurement applications x-series measurement applications increase the capability and functionality of keysight technologies, inc. signal analyzers to speed time to insight. they provide essential measurements for specific tasks in general-purpose, cellular communications, wireless connectivity applications, covering established standards or modulation types. emi precompliance measurements performing precompliance radiated and conducted emissions measurements early in the design cycle can reduce development expense by ensuring new designs will pass final compliance testing at an accredited facility, avoiding costly redesign and re-testing. for a step-by-step guide on how to make precompliance measurements according to regulatory agency limits, refer to the application note, making conducted and radiated emissions measurements, literature number 5990-6152en. conducted emissions measurements the emi measurement application allows you to measure the emissions that are conducted along a power line. the transducer used to couple the emissions of the power line to the signal analyzer is a line impedance stabilization network (lisn). the frequency range of conducted emissions is 9 khz to 30 mhz, depending on the regulatory agency. radiated emissions measurements performing precompliance radiated emissions measurements is not as straight forward as conducted emissions measurements. when measuring to commercial standards, the antenna is placed 3 to 10 meters from the device under test (dut) and the dut should be rotated in order to find the maximum radiation. with the addition of the emi receiver measurement application, the x-series signal analyzer becomes a powerful emi precom - pliance measurement analyzer. measure designs to the latest cispr 16-1-1 or mil-std requirements. the robust signal list feature enables you to quickly differentiate between the dut and the ambient signal environment. regulatory standards x-series signal analyzers with the emi measurement application can be used for making precompliance measurements to any international emc standard. simply select the performance level and frequency range for your application. keysight software is downloadable expertise. from first simulation through first customer shipment, we deliver the tools your team needs to accelerate from data to information to actionable insight. start with a 30-day free trial. www.keysight.com/find/x-series_trial download your next insight
03 | keysight | N6141C emi receiver x-series measurement application, multi-touch - technical overview measurement summary emi measurement application vs. option emc there are two emi options for x-series signal analyzers: option emc and the N6141C measurement application. option emc enables basic emc measurements. it contains cispr 16-1-1 compliant bandwidths and detectors (peak, quasi-peak, emi average, rms average) as well as cispr band presets (bands a through e), and mil-std bandwidths that meet mil-std 461d/e/f requirements. the emi measurement application includes option emc and provides a wide range of additional features that enable the user to perform precompliance conducted and radiated emissions tests to both commercial and mil-std requirements. the following table summarizes a comparison of features. comparison of emi measurement application and option emc features feature emi measurement application option emc cispr 16-1-1 detectors cispr 16-1-1 bandwidths mil-std 461 bandwidths log and linear display signal list scan table simultaneous detectors automatic limit testing measure at marker delta to limit strip chart step and swept scans report generation time domain scan 1 monitor spectrum 1 amplitude probability distribution (apd) 1 disturbance analyzer (click measurements) ui commonality with mxe receiver 1. requires options dp2 or b40. not available for cxa
04 | keysight | N6141C emi receiver x-series measurement application, multi-touch - technical overview top features easily identify out-of-limit device emissions signal list, frequency scan, and active detector meters are displayed on a single screen for easy review of the measurement results. continuously scan a speciied frequency range or scan and search for signals above a margin or limit and place them in the signal list. use the simultaneous detector meters to continu - ously measure a selected signal while maximizing the amplitude. measure all the signals with the search and measure function using up to three detectors. choose between peak, quasi-peak, emi average, or rms average detectors. the measurement results are compared to regulatory agency limits in the delta to limit column. figure 3. scan table figure 2. conducted emissions with delta to limit figure 1. frequency scan use the scan table to set up frequency ranges the emi measurement application includes a scan table with up to 10 ranges that can be set up for the speciic frequency ranges of interest. the scan table also includes resolution bandwidths selection, step sizes, points per rbw, attenuation selection, and preamp selection. use the cispr band presets to easily set a range in the scan table.
05 | keysight | N6141C emi receiver x-series measurement application, multi-touch - technical overview figure 4. radiated scan with meters figure 5. strip chart figure 6. report generation tune and listen to signals in the frequency scan list testing in an open area test site means that you have to deal with signals in the ambient environment. to help distinguish between dut signals and signals in the ambient environment, you can use the tune and listen function to demodulate am, fm, or phase modulation. view signals over time using strip chart strip chart lets you view signalsover a long time period to identify widely spaced discontinuities. limit lines can be placed on the display for regulatory agency comparison. generate a report of the test results develop a report in html format that includes screen image, signal list, correction factors, trace data, and limit lines along with test and product descriptions.
06 | keysight | N6141C emi receiver x-series measurement application, multi-touch - technical overview go faster with time domain scanning the emi measurement application offers three types of frequency scanning: swept, stepped, and time domain. 1 time domain scan decreases total test time by reducing overall prescan collection times when longer measurement dwell times are required. time domain scan speeds measurements by using high-overlap fast fourier transforms (ffts) to collect emissions data simultaneously over an acquisition bandwidth that is multiple resolution bandwidths wide. this is in contrast to frequencydomain measure - ments, which collect data in individual resolution bandwidths. with time domain testing, you can collect suspect lists rapidly, greatly improving overall test time and throughput. figure 7. comparison of resolution and fft acquisition bandwidths 1. requires options dp2 or b40. not available for cxa. frequency amplitude fft acquisition bandwidth amplitude frequency receiver resolution bandwidth sw ept or stepped frequency domain scan time domain scan dwell for each resolution bandwidth dwell for each fft bandwidth (multiple resolution bandwidth)
07 | keysight | N6141C emi receiver x-series measurement application, multi-touch - technical overview figure 8. simplify and automate data collection, analysis, and report generation for click measurements figure 9. simplify and automate data collection, analysis, and report generation for click measurements figure 10. apd measurement example automate click measurements use the built-in disturbance analyzer to easily make discontinuous disturbance, or click, precompliance measurements as speciied in cispr 14-1. simplify and automate data collection, analysis, and report generation for these commonly tested emissions for more eficient testing. find the maximum with monitor spectrum to ensure that you have identiied the frequencies of maximum emissions in your suspect list, the emi measurement application offers a new feature called monitor spectrum.1 this feature offers both live-spectrum and meter displays that make it easy to see emission levels and ind the maximum while adjusting the center frequency. ultimately, monitor spectrum improves overall measurement time by reducing the time it takes to prepare your signal list for inal measurements. be ready for apd measurements the emi measurement application helps future-proof your lab by offering the amplitude probability distribution (apd) function that is being considered by cispr for emissions testing of microwave ovens. 1 to characterize slowly-varying emissions, the apd function dis - plays the probability of an emission reaching or exceeding a given level. to facilitate use of this new function, the emi measurement application also offers speciic limit-line types that can be used with built-in evaluation capabilities to simplify dut testing. 1. requires options dp2 or b40. not available for cxa.
08 | keysight | N6141C emi receiver x-series measurement application, multi-touch - technical overview software licensing and confguration choose from two license types: C fixed, perpetual license: this allows you to run the application in the x-series analyzer in which it is initially installed. C transportable, perpetual license: this allows you to run the application in the x-series analyzer in which it is initially installed, plus it may be transferred from one x-series analyzer to another (uxa, pxa, mxa, exa, cxa) signal analyzers. for more information, please visit the respective product web pages. N6141C emi measurement application model-option description additional information N6141C-2fp fixed perpetual license for n9000b cxa, n9010b exa, n9020b mxa, n9030b pxa and n9040b uxa signal analyzers N6141C-2tp transportable perpetual license for n9000b cxa, n9010b exa, n9020b mxa, n9030b pxa and n9040b uxa signal analyzers you can upgrade! options can be added after your initial purchase. all of our x-series application options are license-key upgradeable. hardware confguration for optimizing measurements with the emi receiver measurement applications, keysight recommends a minimum level of x-series multi-touch instrument hardware functionality at each instrument performance point. supported instruments include: C uxa n9040b C pxa n9030b C mxa n9020b C exa n9010b C cxa n9000b capability instrument option beneft analysis bandwidth 40 mhz minimum (-b40) or wider on uxa, pxa, mxa or exa required: for full emi capability support, including time domain scan, apd measurement and monitor spectrum measurement enhanced display package -edp recommended : for use in the spectrum analyzer mode deep capture memory -dp2 on mxa and exa only recommended : for full emi capability support, including time domain scan, apd measurement and monitor spectrum measurement time domain scan -tds recommended : for fast prescan speed. dp2 or b40 is required enhanced fast sweep speed -fs2 optional : useful for maximizing sweep speed. tds and fs2 are mutually exclusive
09 | keysight | N6141C emi receiver x-series measurement application, multi-touch - technical overview additional information literature n6141a & w6141a emi self-guided demonstration, technical overview, literature number 5990-6158en making conducted and radiated measurements, application note, literature number 5990-6152en web product web pages of the respective document libraries. N6141C: www.keysight.com/find/n6141 c x-series applications www.keysight.com/find/x-series_apps emi and emc applications www.keysight.com/find/emc
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