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N2840/1/2/3A and N2853A User’s Guide

Notices

© Keysight Technologies, 2012, 2017, 2018
No part of this manual may be reproduced in 

any form or by any means (including elec-

tronic storage and retrieval or translation into 

a foreign language) without prior agreement 

and written consent from Keysight Technolo-

gies, Inc. as governed by United States and 

international copyright laws.

Manual Part Number

N2840-97001

Edition

N2840-97001, June 2018
Published by:

Keysight Technologies, Inc.

1900 Garden of the Gods Road 

Colorado Springs, CO 80907 USA

Warranty

The material contained in this document is 

provided “as is,” and is subject to being 

changed, without notice, in future editions. 

Further, to the maximum extent permitted 

by applicable law, Keysight disclaims all 

warranties, either express or implied, with 

regard to this manual and any information 

contained herein, including but not limited 

to the implied warranties of merchantability 

and fitness for a particular purpose. Key-

sight shall not be liable for errors or for inci-

dental or consequential damages in 

connection with the furnishing, use, or per-

formance of this document or of any infor-

mation contained herein. Should Keysight 

and the user have a separate written agree-

ment with warranty terms covering the 

material in this document that conflict with 

these terms, the warranty terms in the sepa-

rate agreement shall control.

Technology Licenses 

The hardware and/or software described in 

this document are furnished under a license 

and may be used or copied only in accor-

dance with the terms of such license.

U.S. Government Rights

The Software is "commercial computer soft-

ware," as defined by Federal Acquisition Reg-

ulation ("FAR") 2.101. Pursuant to FAR 

12.212 and 27.405-3 and Department of 

Defense FAR Supplement ("DFARS") 

227.7202, the U.S. government acquires 

commercial computer software under the 

same terms by which the software is custom-

arily provided to the public. Accordingly, 

Keysight provides the Software to U.S. gov-

ernment customers under its standard com-

mercial license, which is embodied in its End 

User License Agreement (EULA), a copy of 

which can be found at 

http://www.keysight.com/find/sweula

. The 

license set forth in the EULA represents the 

exclusive authority by which the U.S. govern-

ment may use, modify, distribute, or disclose 

the Software. The EULA and the license set 

forth therein, does not require or permit, 

among other things, that Keysight: (1) Fur-

nish technical information related to com-

mercial computer software or commercial 

computer software documentation that is not 

customarily provided to the public; or (2) 

Relinquish to, or otherwise provide, the  gov-

ernment rights in excess of these rights cus-

tomarily provided to the public to use, 

modify, reproduce, release, perform, display, 

or disclose commercial computer software or 

commercial computer software documenta-

tion. No additional government require-

ments beyond those set forth in the EULA 

shall apply, except to the extent that those 

terms, rights, or licenses are explicitly 

required from all providers of commercial 

computer software pursuant to the FAR and 

the DFARS and are set forth specifically in 

writing elsewhere in the EULA. Keysight shall 

be under no obligation to update, revise or 

otherwise modify the Software.  With respect 

to any technical data as defined by FAR 

2.101, pursuant to FAR 12.211 and 27.404.2 

and DFARS 227.7102, the U.S. government 

acquires no greater than Limited Rights as 

defined in FAR 27.401 or DFAR 227.7103-5 

(c), as applicable in any technical data. 

52.227-14 (June 1987) or DFAR 

252.227-7015 (b)(2) (November 1995), as 

applicable in any technical data.

Safety Notices

CAUTION

CAUTION

 notice denotes a hazard. 

It calls attention to an operating 

procedure, practice, or the like that, 

if not correctly performed or 

adhered to, could result in damage 

to the product or loss of important 

data. Do not proceed beyond a 

CAUTION

 notice until the indicated 

conditions are fully understood and 

met.

WARNING

A WARNING notice denotes a haz-

ard. It calls attention to an operat-

ing procedure, practice, or the like 

that, if not correctly performed or 

adhered to, could result in personal 

injury or death. Do not proceed 

beyond a WARNING notice until the 

indicated conditions are fully 

understood and met.

Содержание N2840A

Страница 1: ...Keysight N2840 1 2 3A and N2853A High Impedance Passive Probes User s Guide...

Страница 2: ...ercial license which is embodied in its End User License Agreement EULA a copy of which can be found at http www keysight com find sweula The license set forth in the EULA represents the exclusive aut...

Страница 3: ...ng the Probe 7 Using the Probe 8 Channel Identification Tags 8 Retractable Hook 9 Ground Spring 9 Alligator Ground Lead 10 BNC Adapter 10 Printed Circuit Board Adapter 11 Dual Lead Adapter 13 Insulati...

Страница 4: ...y 5 to 30 pF of input capacitance Handling the Probe Handle the probe with care and refer to the safety notices in this manual The probe cable is a sensitive part of the probe so use care not to damag...

Страница 5: ...tip is pre installed on the probe N2840A probes do not include the BNC adapter Two additional accessories not supplied with the probes are available the PCB socket adapter and the dual lead adapter R...

Страница 6: ...are the same quantities originally supplied with the probe Table 2 Supplied Accessories Accessory Qty Replacement Order Number Retractable Hook Tip 1 N2858A Replacement Probe Tips 2 N2859A Ground Spr...

Страница 7: ...ally Check the accessories If the contents are incomplete or damaged notify your Keysight Technologies Sales Office Inspect the probe If there is mechanical damage or defect or if the probe does not o...

Страница 8: ...he colored channel ID tags Snap one color matched tag to each end of the probe s cable as shown in Figure 2 Select the tag color that matches the oscilloscope s channel color Figure 2 Channel ID Tags...

Страница 9: ...Barrel Ground Spring The ground spring improves measurement performance by providing a short ground connection The shorter lead reduces the inductance in the ground return path which corresponds to hi...

Страница 10: ...er lead increases the inductance in the ground return path this solution results in slightly lower performance than using the ground spring Figure 5 Probe with Alligator Ground Lead Attached BNC Adapt...

Страница 11: ...ger ground connection Figure 7 shows the PCB adapter soldered on a PC board Mounting hole dimensions are included in the figure Figure 8 on page 12 shows the PCB adapter plugged onto a solder less bre...

Страница 12: ...12 N2840 1 2 3A and N2853A User s Guide Using the Probe Figure 8 PCB Socket Adapter Plugged onto Breadboard...

Страница 13: ...ure 9 The adapter s leads are approximately 60 mm long Figure 9 Dual Lead Adapter Insulating Cap The insulating cap fits over the probe tip and covers the grounding band of the probe barrel This enabl...

Страница 14: ...vents shorting adjacent pins by preventing the probe tip from sliding between the legs of the component Figure 10 shows how the cap fits around the IC pins Notice where the probe tip comes through the...

Страница 15: ...connection If this happens replace the tip with one of the replacement probe tips that are provided with the probe The probe tip screws onto the end of the probe barrel Figure 11 Screw on the Replacea...

Страница 16: ...and oscilloscope and introduces measurement errors resulting in inaccurate readings and distorted waveforms Perform LF compensation whenever the probe is connected to the oscilloscope s input for the...

Страница 17: ...key to run the compensation 5 If you are using a different oscilloscope display two or three waveform cycles over two to six vertical divisions 6 Use the supplied trimmer tool to adjust the LF Comp to...

Страница 18: ...avoid personal injury WARNING Use Only Grounded Instruments Do not connect the probe s ground lead to a potential other than earth ground Always make sure the probe and the oscilloscope are grounded p...

Страница 19: ...es visible Do not use the probe when the wear indicator is visible Using a product with a worn cable may result in electric shock fire or equipment failure WARNING Indoor Use Only Do not operate in we...

Страница 20: ...z 150 MHz 300 MHz 500 MHz 350 MHz Attenuation Ratio 10 1 Rise Time 10 90 7 ns 2 3 ns 1 2 ns 0 7 ns 1 ns Input Resistance 10 MW Input Capacitance _ 11 pF Compensation Range 5 30 pF Maximum Rated Input...

Страница 21: ...ing Curve Measurement CAT II WARNING The maximum input voltage rating of the probe decreases as the frequency of the applied signal increases CAUTION Refer to the oscilloscope documentation for the os...

Страница 22: ...xample MYXXXXXXXX Description of failure or service required 3 Protect the probe by wrapping in plastic or heavy paper 4 Pack the probe in the original carrying case or if not available use bubble wra...

Страница 23: ...F compensation 16 M maximum input voltage 8 20 21 N N2840A 50 MHz probe 4 20 N2841A 150 MHz probe 4 20 N2842A 300 MHz probe 4 20 N2843A 500 MHz probe 4 20 N2853A 20 N2853A 350 MHz probe 4 20 N2856A ac...

Страница 24: ...Index 24 N2840 1 2 3A and N2853A User s Guide...

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