Rigol mso5072 70mhz digital oscilloscope rigol uk distributor. The probe set provides a means of accurately detecting hfield and efield emissions, while. Nfp3 is used with rigol dsa series spectrum analyzer for the emi tests of electronic products. The probe heads of the lf1 set are designed for the incremental detection of electromagnetic interference sources at single pins, larger components, and on assemblies. The lf1 nearfield probe set consists of 4 shielded nearfield probes used during the development process for emission measurement of longwave, medium wave, and shortwave frequencies on electronic devices. This video shows how to localize emc interference suppression with nearfield probes. Near field probe for detecting frequency resonances in emc. In the first part of this experiment, i connected the magnetic field probe to the oscilloscope directly as figure 7. This set of magnetic field and electric field probes is for radiated emissions emc precompliance measurements. Debugging emi using a digital oscilloscope l background radiated emissions l basics of near field probing l emi debugging process l frequency domain analysis using an oscilloscope l fft computation l dynamic range and sensitivity l time gating l frequency domain triggering l measurement example.
The tbps01 emc near field probes h20, h10, h5 and e5 are magnetic field h and electric field e probes for radiated emissions emc precompliance. They are normally designated x1 and x10, although 1x and 10x are sometimes seen. May 01, 2016 in this video i measure fields around coils, capacitors, an arduino, and an antenna. What do the blinking leds on my p7500 series probe indicate. Using nearfield probes and an oscilloscope can produce the. Rigol nfp3 rf near field probe kit x frequency range. The lf1 near field probe set consists of 4 shielded near field probes used during the development process for emission measurement of longwave, medium wave, and shortwave frequencies on electronic devices. The head of the probe has a magnetically active gap with a width of approx. In general, this requires phaseresolved electric and magnetic near field data. The lf1 nearfield probe set consists of four shielded nearfield probes for measuring emissions of longwave, medium wave, and shortwave frequencies on electronic devices during the development process. A simple use would be to linearly scale the output of a current probe so that it correctly displays amperes.
Edn characterize dcdc converter emi with nearfield probes. The probe set consist of three 3 magnetic field probes, two 2 electric field probes, 20 cm extension handle, and a custom carrying case. Nearfield probes nearfield probes are used for accompanying measurements of highfrequency, electric and magnetic rf fields on assemblies and devices. Nearfield scanning can be used to determine the farfield emissions of electronic devices. The time domain and frequency domain results is shown in the figure 8. Probes are designed to be used with a signal analyzing device such as an oscilloscope or. P4250 oscilloscope probe, highvoltage probe oscilloscope probe 100. Rs pro by allied passive oscilloscope probe 150mhz.
The 119414600 is a rf near field passive probe kit. To capture a broad frequency range relatively quickly, a multichannel oscilloscope can be. Bend your own probe representative manufacturers of nearfield probes. This could be used to scale the output of a current probe so that it. The aaronia rf field probe set, which fits to any spectrum analyzer, oscilloscope or measurement receiver, allows straightforward pinpointing and measurement of interference sources from dc 1hz to 9ghz in electronic component groups as well as execution and monitoring of generic emc measurement. Measuring the emi of a 100mhz oscillator without preamplifier. I want to measure magnetic fields with my oscilloscope, so i need a magnetic field sensor probe. The rfsr 501 hfield probe is designed for taking field measurements on assemblies, devices or cables at a distance of up to approx. Probing electrical voltage signals in a circuit is typically achieved using an active or passive voltage probe. Rf field measurement for e and hfield with nearfield probes and a spectrum analyzer or an oscilloscope. The rigol technologies clearance center is the place to find great deals on demo, used and refurbished products.
Please note that this software is not compatible with the understanding signals v1. What do the blinking leds on my p7500 series probe. Each h field probe contains a single turn, shorted loop inside a balanced e field shield. Nearfield probe set includinghfsl 7101 active near field probe magnetic, 9 khz 30 mhzhfsh 7102 active near field probe magnetic, 4 mhz mhzefs 7103 active near field probe electric, 9 khz mhzand separator ew 7110 and acdc adaptor acdc 7110 in storing case.
You can also estimate the current in the enclosure. The set also includes a 20 cm extension handle and comes in a wood carrying case. The magnetic field probes are electrically shielded, and sheath currents are attenuated. Magnetic field probes and current clamps operate on a similar principle. Nearfield probes are used for accompanying measurements of highfrequency, electric and magnetic rf fields on assemblies and devices. The keysight 11945a closefield probe set includes both the 11940a and 11941a probes to provide full coverage from 9 khz to 1 ghz. The n9311x option 100 provides magnetic field probes for detecting radiated emissions from printed circuit boards, modules, components, ics and sources of. A near field probe set ug magnetic h field probes the probe set includes three h field probes of varying size and sensitivity.
The keysight 11945a close field probe set includes both the 11940a and 11941a probes to provide full coverage from 9 khz to 1 ghz. Pvp3150 10x 1x selectable passive probe with 10x bandwidth of 150 mhz and 1x bandwidth of 20 mhz. It is designed for the selective detection of rf current in conducting paths, smd components and ic pins. The probes are used in the near field of sources of electromagnetic radiation and serve to locate and identify potential sources of interference within the building blocks of electronic assemblies. If you need to measure current, most engineers use a clampon halleffect current probe that converts the magnetic field around a conductor, created by the current flowing through it, into voltage.
This set provides a powerful measurement tool for electrical and mechanical designers who want to search for and eliminate sources of interference from their products early in the design process. An effective method of probe calibration in phaseresolved. Roy ediss well stated the theories and the various designs of the magnetic field probes in his article, probing th e magn etic field probe. The custom probes feature allows you to correct for gain, attenuation, offsets and nonlinearities in probes, sensors or transducers that you connect to the oscilloscope. Thanks, also, to my colleague and friend, arturo mediano, for his help analyzing the math showing that the noninvasive coupling method depicts the essential switching characteristics accurately. These probes are highly sensitive to th e hfield while being relatively immune to the efield. The rf1 near field probe set consists of 4 passive near field probes for making measurements in the development phase of e field and magnetic field in the ranges of 30 mhz to 3 ghz on electronic assemblies. This version is windows xp, vista, and 7 compatible. Nearfield probes are used for accompanying measurements of.
In general, this requires phaseresolved electric and magnetic nearfield data. Accessories n9311x100 close field probe set, 30 mhz to 3 ghz images 360 videos. If the probe leds flash or otherwise appear to be malfunctioning, an. Near field probes for tektronix emc precompliance tektronix. Technical parameters for the single probes are available from the respective product articles and from the overview pdf as. Near field scanning can be used to determine the far field emissions of electronic devices. In this video i measure fields around coils, capacitors, an arduino, and an antenna. Measure near field using diy homemade magnetic and. Each hfield probe contains a single turn, shorted loop inside a balanced efield shield. Hi frank, thank you for your tips about the current probe, i will update my work progress here i planed to implement a dcac current to voltage addon board based on hall current sensor acs712 for oscilloscope, after i finish the magnetic field probe. Testing the magnetic field probe with the oscilloscope rigol ds2202. Tim dwyer, emc program manager at tuv rheinland newtown, ct. Accessories oscilloscope current probes, differential. Our emc near field probe set for every spectrum analyzer and oscilloscope allows for straightforward pinpointing and measurement of interference sources from dc to 6ghz in electronic component groups as well as execution and monitoring of generic emc measurement.
Use an electric e nearfield probe to identify em radiation on metal surfaces like heatsinks, enclosures, display bondingedges, and slotscutouts. I did this project to see if i could use homemade probes and a cheap gear to find the low level radiation from. Technical parameters for the single probes are available from the respective product articles and from the overview pdf as a download. The products carry warranties and the backing of rigols tech support team, so you dont have to worry about your purchase. Keysightagilent 11945a near field probe set avalon test. Langer emv rfs set, scanner probes 30 mhz up to 3 ghz. I implemented the design 2a which mentioned in the roy edisss article.
Use an electric e near field probe to identify em radiation on metal surfaces like heatsinks, enclosures, display bondingedges, and slotscutouts. Langer emv lf1 set, nearfield probes 100 khz up to 50 mhz. These probes are highly sensitive to th e h field while being relatively immune to the e field. Measuring emi with homemade magnetic field probe unit. The hfield probe can be used to identify larger components as sources of interference. Oct 20, 2017 use a magnetic h near field probe to identify em radiation near traces, wires, and ribbonflex cables.
Electric fields can be produced by current flow or static charge build up. A nearfield probe set ug magnetic h field probes the probe set includes three hfield probes of varying size and sensitivity. This could be used to scale the output of a current probe so that it correctly displays amperes. Near field probes near field probes are used for accompanying measurements of highfrequency, electric and magnetic rf fields on assemblies and devices. The designation refers to the factor by which the impedance of the scope itelf is multiplied by the probe. The upper side of the probe head is electrically shielded in the sxe 03 electric field probe. It can be used to test the magnetic field strength and magnetic field coupling channels on the surface of the electronic components as well as the magnetic field environment near the electronic module so as to quickly locate the interference source. Builtin offset and low attenuation permit the powervoltage rail to be offset in the oscilloscope by its mean dc voltage with high oscilloscope gain sensitivity to achieve a noisefree view of small signal variations. N9311x100 close field probe set, 30 mhz to 3 ghz keysight. Measure near field using diy homemade magnetic and electric.
The probe has large builtin offset, low attenuation noise, and high dc input impedance. Oscilloscope probe tip x1 and x10 oscilloscope probes. The magnetic field that flows through the loop area of the probe induces. This set provides a powerful measurement tool for electrical and mechanical designers who want to search for and eliminate sources of interference from their products early. The theories behind the magnetic field probe near field probe is not very complex. Powerful e and h near field probes for the frequency range from 9 khz to 3 ghz with optional preamplifier for emi debugging with measuring receivers, spectrum analyzers and digital oscilloscopes. Rm6041 rack mounting kit for the dsmso7000, mso8000, rsa3000, and rsa5000 series instruments. Using an oscilloscope, measure the peak voltage output of a magnetic field.
Rigol technologies nfp3 near field probe kit, 4 probes. Keysightagilent 11945a near field probe set the keysight 11945a closefield probe set includes both the 11940a and 11941a probes to provide full coverage from 9khz to 1ghz. Near field probe which can detect the magnetic field within a range of 3 cm. For example, accurately locating the leakage of the chassis, detecting the magnetic field direction and intensity of the circuit board module. Brief description powerful e and h near field probes for the frequency range from 9 khz to 3 ghz with optional preamplifier for emi debugging with measuring receivers, spectrum analyzers and digital oscilloscopes. Brief description powerful e and h nearfield probes for the frequency range from 9 khz to 3 ghz with optional preamplifier for emi debugging with measuring. It is applicable for detecting the magnetic environment around themodules. The handle of each probe terminates in a bnc connector. The tektronix 119414600 near field probe set is intended to serve as a versatile aid for diagnostic testing of radiated emissions over a broad range of frequencies from below 100 khz to above 1ghz.
Accessories oscilloscope current probes, differential probes. Find similar products choose and modify the attributes above to find similar products. Rigol accessories including current probes for oscilloscopes up to 100 mhz or 100 amps, high voltage oscilloscope probes, differential probes, attenuators, near field probes, options, and more. Mso mdo oscilloscope, mdo4000c series, 4 channel, 1 ghz, 5 gsps, 350 ps. The n9311x option 100 provides magnetic field probes for detecting radiated emissions from printed circuit boards, modules, components, ics and sources of electromagnetic interference. And then i will start to work on the ac current probe. Langer nearfield probes offer high resolution to 10 ghz. Using an oscilloscope, measure the peak voltage output of a magnetic field probe before and after you make design changes to a circuit. The rigol mso5072 is a 70mhz bandwidth, 8gsas, 2channel digital oscilloscope, integrating up to seven instruments into one. Use a magnetic h nearfield probe to identify em radiation near traces, wires, and ribbonflex cables. To capture a broad frequency range relatively quickly, a multichannel oscilloscope can be used for data capture. There are two main types of passive voltage scope probes.
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