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DATA SHEET

N28xxA/B Passive Probes

Summary of content (8 pages)

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DATA SHEE T N28xxA/B Passive Probes
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Introduction The Keysight N28xxA/B low-cost, general-purpose passive probes provide up to 500 MHz bandwidth and feature a high input resistance of 10 MΩ for low probe loading. These probes provide a 10:1 attenuation ratio except for the N2889A which provides a switch in the probe handle for switching the attenuation ratio between 1:1 and 10:1. The probes are compatible with Keysight InfiniiVision and Infiniium Series oscilloscopes with 1 MΩ BNC input.
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Characteristics Probe characteristics Bandwidth (–3 dB) N2840A 50 MHz N2862B/N2841A 150 MHz Rise time (10 to 90%) 7 nsec 2.33 nsec Attenuation ratio Input resistance (when terminated into 1 MΩ) Input capacitance 10:1 10 MΩ 10:1 10 MΩ N2863B /N2842A/N2853A 300 MHz (N2863B, N2842A), 350 MHz (N2853A) 1.
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Compensation Adjustments These probes can be adjusted for low-frequency and high-frequency compensation. For the best measurement results you should compensate your probe to match its characteristics to the oscilloscope. A poorly compensated probe can introduce measurement errors. Low-frequency compensation should be performed before performing high-frequency compensation. Low-frequency compensation 1. 2. 3. Connect the probe from the appropriate oscilloscope channel to the 1-kHz square wave source.
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Compensation Adjustments (Continued) Figure 4. Voltage derating curve @10:1 attenuation ratio. Figure 5. Voltage derating curve @1:1 attenuation ratio (N2889A) Find us at www.keysight.
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Accessories 2 8 6 4 7 3 1 9 5 Figure 6.
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Accessories (Continued) Replacement accessories –– N2857A alligator ground lead (qty 1) –– N2858A retractable hook tip adapter (qty 1) –– N2859A replaceable probe tip (qty 1) –– N4826A dual lead adapter (qty 2) –– N4827A PCB socket adapter (qty 2) –– N4828A ground spring, 5 mm (qty 2) unit : mm Figure 7. N4827A PCB socket adapter dimension and foot print information. Find us at www.keysight.
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www.keysight.com/find/probes Learn more at: www.keysight.com For more information on Keysight Technologies’ products, applications or services, please contact your local Keysight office. The complete list is available at: www.keysight.com/find/contactus Find us at www.keysight.com This information is subject to change without notice.