Keysight N2804 User Manual
Keysight N2804 User Manual

Keysight N2804 User Manual

Differential probes

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Keysight N2804/5A
Differential Probes
User's Guide

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Summary of Contents for Keysight N2804

  • Page 1 Keysight N2804/5A Differential Probes User’s Guide...
  • Page 2: Safety Notices

    Notices U.S. Government Rights the DFARS and are set forth specifically © Keysight Technologies, 2014, 2017, 2018 in writing elsewhere in the EULA. Key- No part of this manual may be reproduced in The Software is "commercial computer sight shall be under no obligation to any form or by any means (including elec- software,"...
  • Page 3: Table Of Contents

    Non Category / 35 Measurement Category II (CAT II) / 35 Measurement Category III (CAT III) / 35 Measurement Category IV (CAT IV) / 35 Returning the Probe for Service / 36 Contacting Keysight Technologies / 37 N2804/5A Differential Probes User’s Guide...
  • Page 4 Contents Index N2804/5A Differential Probes User’s Guide...
  • Page 5: Introduction

    Keysight N2804/5A Differential Probes User’s Guide Introduction The N2804A and N2805A differential probes provide superior general-purpose differential signal measurements that are required for high-speed power measurements, vehicle bus measurements, and high-speed digital system designs. Both probes are powered by the oscilloscope’s AutoProbe interface. Both probes are designed for Measurement Category II (CAT II) as described in “IEC...
  • Page 6: Inspecting The Probe

    Sales Office. If the shipping container is damaged, or the cushioning materials show signs of stress, notify the carrier as well as your Keysight Technologies Sales Office. Keep the shipping materials for the carrier’s inspection. The Keysight Technologies office will arrange for repair or replacement at Keysight Technologies’ option without waiting for claim settlement.
  • Page 7: Handling The Probe

    Observe all of the product limits noted on the products labels and listed in “Safety CAUTION Information" on page 17 and “Specifications and Characteristics" on page 20. Figure 2 N2805A Product Labels Figure 3 N2804A Product Labels N2804/5A Differential Probes User’s Guide...
  • Page 8: Oscilloscope Compatibility

    N OTE support your probe, fix known defects, and incorporate product enhancements. To download the latest firmware, go to www.keysight.com, locate the Technical Support page, and search by your oscilloscope model number. The N2804A and N2805A probes are designed for oscilloscopes with 50W N OTE AutoProbe-interface channel inputs.
  • Page 9: Channel Identification Rings

    Disconnect the probe from the oscilloscope and clean the probe with a soft cloth dampened with a mild soap and water solution. Make sure that the probe is completely dry before reconnecting it to an oscilloscope. N2804/5A Differential Probes User’s Guide...
  • Page 10: N2804A Probe And Accessories

    35. The measurement category of a combination of a PROBE ASSEMBLY and an accessory is WARNING the lower of the measurement categories of the PROBE ASSEMBLY and of the accessory. Figure 4 N2804A in Case N2804/5A Differential Probes User’s Guide...
  • Page 11 Pincer Clips (1 red and 1 black) Rating: 300V, 1A (CAT II) BW: 300 MHz Extension Leads (1 red and 1 black) Approximately 30 cm length BW: 120 MHz Probe Offset Adjustment Tool (Qty. 1) N2804/5A Differential Probes User’s Guide...
  • Page 12: N2805A Probe And Accessories

    35. The measurement category of a combination of a PROBE ASSEMBLY and an accessory is WARNING the lower of the measurement categories of the PROBE ASSEMBLY and of the accessory. Figure 5 N2805A in Case N2804/5A Differential Probes User’s Guide...
  • Page 13 Pincer Clips (1 red and 1 black) Rating: 1000V, 5A (CAT II) BW: 100 MHz Browser Leads (1 red and 1 black) Rating: 1000V, 10A (CAT III) BW: 200 MHz Probe Offset Adjustment Tool (Qty. 1) N2804/5A Differential Probes User’s Guide...
  • Page 14: Attaching Probe Accessories

    This probe is not for electrically insulating the circuit under test and the measuring instrument. N2804A N2804A 300 MHz Differential Probe N2805A Terminate with 50 Ω N2805A 200 MHz Differential Probe Terminate with 50 Ω Figure 6 Attaching an Accessory Tip N2804/5A Differential Probes User’s Guide...
  • Page 15: Probe Offset Adjustment

    Using the probe’s hook tips, short the + and - probe inputs together as shown in Figure Figure 7 Adjusting the Offset Using the Supplied Tool Press Default setup and AutoScale of the oscilloscope. Press the channel button for the probe, and set the oscilloscope channel to DC coupled mode. N2804/5A Differential Probes User’s Guide...
  • Page 16 Set the vertical scale of the oscilloscope to 100 mV/div (for N2804A) and 50 mV/div (for N2805A). Using the offset adjustment tool that comes with the probe, adjust the probe offset voltage to zero volts. N2804/5A Differential Probes User’s Guide...
  • Page 17: Safety Information

    PROBE ASSEMBLY and of the accessory. Do Not Operate Without Covers. To avoid electrical shock or fire hazard, do not operate WARNING this probe with the covers removed. N2804/5A Differential Probes User’s Guide...
  • Page 18 The probe cable is a sensitive part of the probe and, therefore, you should be careful not CAUTION to damage it through excessive bending or pulling. Avoid any mechanical shocks to this product in order to guarantee accurate performance and protection. N2804/5A Differential Probes User’s Guide...
  • Page 19 Periodically inspect the probe wires to check for any cracks, damage, or defective WARNING leads. Do Not Operate With Visible or Suspected Damage. If you suspect there is damage, have it inspected by a Keysight authorized service personnel. Capacitors inside the instrument may retain a charge even if the instrument is WARNING disconnected from its source of supply.
  • Page 20: Specifications And Characteristics

    Ensure that the environmental conditions do not exceed the probe’s specified limits. Table 5 N2804/5A Safety and Regulatory Information Description CEI/IEC 61010-031 CAT II This symbol indicates the Environmental Protection Use Period (EPUP) for the product’s toxic substances for the China RoHS requirements.
  • Page 21 –50 dB at 10 MHz –50 dB at 10 MHz Noise Referenced to Probe Input 90 mV 30 mV Power Requirements AutoProbe Interface AutoProbe Interface * All entries are typical unless otherwise noted. † Warranted specification ‡ Calculated 0.35/Tr N2804/5A Differential Probes User’s Guide...
  • Page 22 350 mm x 270 mm x 80 mm 410 mm x 365 mm x 65 mm (L x W x H) (13.8 in x 10.6 in x 3.15 in) (16.1 in x 14.4 in x 2.56 in) N2804/5A Differential Probes User’s Guide...
  • Page 23: N2804A Performance Plots

    N2804A Performance Plots N2804A Performance Plots Figure 8 N2804A Derating Curve N2804/5A Differential Probes User’s Guide...
  • Page 24 N2804A Performance Plots Figure 9 N2804A Frequency Response Figure 10 N2804A Frequency Response when Inputs Driven in Common Mode (CMRR) N2804/5A Differential Probes User’s Guide...
  • Page 25 N2804A Performance Plots Figure 11 N2804A Input Impedance (Between Inputs, Actual) Figure 12 N2804A Input Impedance (Between Inputs, Simulated) N2804/5A Differential Probes User’s Guide...
  • Page 26 N2804A Performance Plots Figure 13 N2804A Normalized Differential Step Response (50W) N2804/5A Differential Probes User’s Guide...
  • Page 27: N2805A Performance Plots

    N2805A Performance Plots N2805A Performance Plots Figure 14 N2805A Derating Curve N2804/5A Differential Probes User’s Guide...
  • Page 28 N2805A Performance Plots Figure 15 N2805A Frequency Response Figure 16 N2805A Frequency Response when Inputs Driven in Common Mode (CMRR) N2804/5A Differential Probes User’s Guide...
  • Page 29 N2805A Performance Plots Figure 17 N2805A Input Impedance (Between Inputs, Actual) Figure 18 N2805A Input Impedance (Between Inputs, Simulated) N2804/5A Differential Probes User’s Guide...
  • Page 30 N2805A Performance Plots Figure 19 N2805A Normalized Differential Step Response (50W) N2804/5A Differential Probes User’s Guide...
  • Page 31: Performance Verification

    200 MHz BNC Adapter BNC (f) to Dual Banana (m) Adapter Keysight 1251-2277 Interconnection between probe and generator BNC Feed Through precision feed through Keysight 0960-0301 Termination between Adapter terminator probe and calibrator for bandwidth verification N2804/5A Differential Probes User’s Guide...
  • Page 32: Performance Tests

    N2805A: ........... .5V pk-pk Enable the output of the calibrator. N2804/5A Differential Probes User’s Guide...
  • Page 33 Frequency (N2805A): ......... .200 MHz N2804/5A Differential Probes User’s Guide...
  • Page 34: Performance Test Record

    N2804A Performance Test Record Test Test Limits Test Results DC Differential Gain ±1% (99 mV – scope vertical accuracy to 101 mV + scope vertical accuracy) Accuracy ¡ Bandwidth (210 mV – scope vertical accuracy) N2804/5A Differential Probes User’s Guide...
  • Page 35: Iec Measurement Category Definitions

    Measurement Category IV (CAT IV) Measurement category IV is for measurements performed at the source of the low-voltage installation. For example, electricity meters and measurements on primary over-current protection devices and ripple control units. N2804/5A Differential Probes User’s Guide...
  • Page 36: Returning The Probe For Service

    If the probe is found to be defective we recommend sending it to an authorized service center for all repair and calibration needs. Perform the following steps before shipping the probe back to Keysight Technologies for service. Contact your nearest Agilent sales office for information on obtaining an RMA number and return address.
  • Page 37: Contacting Keysight Technologies

    Returning the Probe for Service Contacting Keysight Technologies For technical assistance, contact your local Keysight Call Center. • In the Americas, call 1 (800) 829-4444 • In other regions, visit http://www.keysight.com/find/assist • Before returning an instrument for service, you must first call the Call Center at 1 (800) 829-4444.
  • Page 38 Returning the Probe for Service N2804/5A Differential Probes User’s Guide...
  • Page 39 Environmental, environmental specifications, ESD, performance plots extension leads, N2804A, N2804A, N2805A, performance verification, pincer clips, 11, grounding probe, probe cable care, cleaning, grounding, hook clips, inspecting, humidity, offset adjust, service, product labels, Infiniium oscilloscope, N2804/5A Differential Probes User’s Guide...
  • Page 40 Index N2804/5A Differential Probes User’s Guide...

This manual is also suitable for:

N2805aN2804a

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