Keysight Technologies B2901A Manual de usuario

Keysight Technologies

Detailed Demonstration Guide:

Making Resistance Measurement Using SMU

Keysight B2901A/02A/11A/12A Precision Source/Measure Unit

Demonstration Guide

The Keysight Technologies, Inc.

B2901A/02A/11A/12A Precision

Source/Measure Units are compact

and cost-effective bench-top Source/

Measure Units (SMUs) with the

capability to output and measure

both voltage and current. The

B2901A/02A/11A/12A enables you

to make a wide range of current

versus voltage (IV) measurements

more accurately and quickly

than ever before. In addition, the

B2901A/02A/11A/12A comes with

an intuitive graphical user interface

(GUI) and free PC-based application

software that make it easy for you to

begin making productive measure-

ments immediately.

This demonstration guide shows how

easily basic resistance measurement

can be made using the Keysight

B2901A/02A/11A/12A.

The demonstration includes not only

a simple resistance measurement

using 2-wire connection, but also a

low resistance measurement using

4-wire connection.

Required Instrument and Accessories

Keysight 11059A Kelvin Probe Set and Resistors are equipped as a demo kit

with a demo unit of the Keysight B2900A Series of SMU.

Keysight 11059A Kelvin Probe Set

1 Ω Resistor

1 kΩ Resistor

Keysight B2901A/02A/11A/12A

Precision Source/Measure Unit

Introduction

Objective

This lab shows how a single-point

measurement can be done with

an intuitive GUI and shallow menu

tree on the B2900A Series of SMUs

through the resistance measurement

Procedure overview

1. Change View mode to Single View

2. Use AUTO measurement operation

3. Turn off the channel output

LAB 1: Make a Resistance Measurement

Setup

1. Connect the yellow banana plug to Ch 1 Low Force terminal.

2. Connect the red banana plug to Ch 1 High Force terminal.

3. Clip the one lead of 1 kΩ Resistor with the black gold-plated tweezers.

4. Clip the other lead of 1 kΩ Resistor with the red gold-plated tweezers.

Demonstration

1. Change View mode to Single View

a. Press repeatedly until Single View for

Channel 1 is shown in the display.

2. Use AUTO measurement operation

a. Rotate to select Resistance measurement operation, and then press

to edit it. Then select to set Resistance measurement operation to AUTO.

b. Press Ch1 to turn on Channel 1 Output relay.

c. Press to perform a single point measurement.

Red (11059A)

Yellow (11059A) Black (11059A)

Red (11059A)

Black

Brown

1 kΩ Resistor

(2) Press AUTO

(1) Rotate and press

Resistance Measurement Operation

to select

Measurement parameters are updated whenever

Trigger Button is pressed

d. Press to repeat single point measurements periodically.

e. Press to stop making measurements periodically.

3. Turn off the channel output

a. Press Ch1 to turn off Channel 1 Output relay.

LAB 1: Make a Resistance Measurement (continued)

Measurement parameters

are updated periodically

“Auto” indicator is turned on

“Auto” indicator is

turned off

Objective

This demonstration shows how accu-

rately a low resistance measurement

can be done with 4-wire connection

by comparing the result with 4-wire

connection to the one with 2-wire

connection.

Procedure overview

1. Reset the instrument

2. Perform the measurement via

4-wire connection

3. Perform the measurement via

2-wire connection

4. Compare two results

LAB 2: Make an Accurate Low Resistance Measurement

Setup

1. Connect the yellow banana plug to Ch 1 Low Force terminal.

2. Connect the orange banana plug to Ch 1 Low Sense terminal.

3. Connect the red banana plug to Ch 1 High Force terminal.

4. Connect the brown banana plug to Ch 1 High Sense terminal.

5. Clip the one lead of 1 Ω Resistor with red gold-plated flat tweezers.

6. Clip the other lead of 1 Ω Resistor with black gold-plated tweezers.

Why is 4-wire connection required?

For very low resistance measurements where the residual lead resistance is

comparable to the DUT resistance, the 2-wire measurement will give erroneous

measurement results. In this case a 4-wire connection scheme (remote sensing)

can be used to eliminate this error. A 4-wire measurement uses one pair of leads

to force current and the other pair of leads to monitor voltage. This eliminates

cable resistance effects so that only the voltage drop across the DUT is measured.

Red (11059A)

Yellow (11059A)

Red (11059A)

Black (11059A)

Black

Brown

Silver

Brown (11059A)

Orange (11059A)

1 Ω Resistor

a) 2-wire connection (R

DUT

≈R

Lead

) b) 4-wire connection

LeadDUT

Source

Meas

R×+== 2

High Force

Low Force

B2901/02/11/12A

DUT

Lead

Meas

Source

DUT

Source

Meas

R==

High Force

Low Force

Low Sense

High Sense

B2901/02/11/12A

Meas

Source

DUT

Lead

LAB 2: Make an Accurate Low Resistance Measurement (continued)

Status indicator to show 4-wire conguration

If the channel is configured to use 4-wire connection, you can see the status

indicator on GUI as below, although no indicator can be seen on being configured

to use 2-wire connection.

Demonstration

1. Reset the instrument

a. Press , , and then press to display Confirmation

dialogue.

b. Press to reset the instrument.

2-wire connection 4-wire connection

(1) Press More…

(2) Press System

(3) Press Reset

LAB 2: Make an Accurate Low Resistance Measurement (continued)

2. Perform the measurement via 4-wire connection

a. Press , , and then press to display Output

Connection dialogue.

b. Press and select , and then press to configure to use

4-wire connection.

c. Press , then press to set Channel 1 V/I Source Function to I Source.

(If can’t be found on the Assist keys, press to change the keys.)

d. Press and set Channel 1 Source Value to 10 mA.

(1) Press Conﬁg

(2) Press Source

(3) Press Connection

(3) Press OK

(2) Press 4-WIRE

(1) Press

(1) Press Mode (2) Press AMPS (I)

(1) Press Source (2) Enter 10 mA

Resistance measurement

operation

The resistance measurement

operation is set to OFF in the default

setting. To perform resistance

measurement, you need to select

the operation among AUTO, FIXED

and V/I. For AUTO and FIXED, the

B2900A Series of SMUs performs

resistance measurement by using

the current source and voltage

measure condition automatically

set by the resistance measurement

range setting. For V/I, the B2900A

Series of SMUs performs measure-

ment by using the present source/

measure condition and calculates

the resistance value.

e. Press and set Channel 1 Limit value to 1 V.

f. Rotate to select Resistance measurement operation and press to

edit it. Then press to set Resistance measurement operation to V/I.

g. Press Ch1 to turn on Channel 1 Output relay.

h. Press to perform a single point measurement.

3. Perform the measurement via 2-wire connection

a. Press Ch1 to turn off Channel 1 Output relay.

b. Press , , and then press to display Output

Connection dialogue.

LAB 2: Make an Accurate Low Resistance Measurement (continued)

(1) Press Limit (2) Enter 1 V

(1) Rotate and Press

Resistance measurement operation

to select (2) Press V/I

(1) Press Conﬁg

(2) Press Source

(3) Press Connection

c. Press , , and then press to configure to use 4-wire

connection.

d. Press Ch1 to turn on Channel 1 Output relay.

e. Press to perform a single point measurement.

4. Compare two results

a. Compare two results to see the effect of 4-wire connection. The result with

4-wire connection is 1 Ohm, while the one with 2-wire connection is 1.6 Ohm.

The difference, that is 0.6 Ohm, should be the residual lead resistance on the

measurement cables.

LAB 2: Make an Accurate Low Resistance Measurement (continued)

(3) Press OK

(2) Press 2-WIRE

(1) Press

High Force

Low Force

B2901/02/11/12A

DUT

Lead

Meas

Source

a) Result with 2-wire connection b) Result with 4-wire connection

High Force

Low Force

Low Sense

High Sense

B2901/02/11/12A

Meas

Source

DUT

Lead

The result with 2-wire connection includes the residual lead resistance R

Lead

Keysight B2900A Series

Precision Instruments

The B2900A series lines

up products for both

precision source and

precision measurement.

www.keysight.com/find/b2900a

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AdvancedTCA®Extensions for Instrumentation and Test (AXIe) is an

open standard that extends the AdvancedTCA for general purpose and

semiconductor test. Keysight is a founding member of the AXIe consortium.

ATCA®, AdvancedTCA®, and the ATCA logo are registered US trademarks of

the PCI Industrial Computer Manufacturers Group.

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LAN eXtensions for Instruments puts the power of Ethernet and the

Web inside your test systems. Keysight is a founding member of the LXI

consortium.

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rugged, PC-based high-performance measurement and automation system.

Three-Year Warranty

www.keysight.com/find/ThreeYearWarranty

Keysight’s commitment to superior product quality and lower total cost

of ownership. The only test and measurement company with three-year

warranty standard on all instruments, worldwide.

Keysight Assurance Plans

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Up to five years of protection and no budgetary surprises to ensure your

instruments are operating to specification so you can rely on accurate

measurements.

www.keysight.com/go/quality

Keysight Technologies, Inc.

DEKRA Certified ISO 9001:2008

Quality Management System

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www.keysight.com/find/channelpartners

Get the best of both worlds: Keysight’s measurement expertise and product

breadth, combined with channel partner convenience.

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For more information on Keysight

Technologies’ products, applications or

services, please contact your local Keysight

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(BP-09-23-14)

10 | Keysight | Detailed Demonstration Guide: Making Resistance Measurement Using SMU - Demonstration Guide

This information is subject to change without notice.

Published in USA, August 4, 2014

5991-4247EN

www.keysight.com

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