Keysight Technologies B2900B Series Manual de usuario

Keysight B2900B Series

Precision Source/Measure Unit

Quick Reference

Preparing the Instrument for Use

To position the instrument:

1. Grab the handle by the sides and pull outward.

2. Rotate the handle.

3. Position the instrument.

To turn the instrument ON:

1. Connect the power cord from AC input connector to an AC power outlet at your site.

2. Press the line switch.

To set the power line cycle:

1. Press the More > System > PLC function keys.

2. Press the 50 Hz or 60 Hz key to specify the power line cycle at the site.

To connect the device under test (DUT), optional:

1. B2900 terminals use banana

jacks. Prepare test leads

that use banana plugs.

2. Connect the test leads as

shown in the figures.

For using 4-wire connection, set the Sensing Type to 4-WIRE on the Output Connection dialog box. With the

default setting, it is set to 2-WIRE.

The dialog box is opened by pressing the Config > Source > Connection function keys.

Latest Information

To get the latest firmware, software, manuals, and

support information, go to www.keysight.com.

You can then search them by product number.

2-wire connection

High Sense

High Force

Low Force

Low Sense

DUT

4-wire connection

High Force

Low Force

DUT

B2901BL/B2910BL

B2901B/B2902B

B2911B/B2912B

1. Line switch: Turns the instrument on or off.

2. USB-A connector: Used to connect a USB memory.

3. Auto key: Starts a repeat measurement or aborts the repeat measurement.

4. Trigger key: Starts a single measurement, aborts a repeat measurement, or initiates trigger system.

5. Assist keys: Five keys for setup assistance. Mode, Source, Limit, Measure, More, etc.

6. Numeric/alpha keys: Used to enter the value of setup parameters specified by the field pointer.

7. Rotary knob:

In MOVE (blue) status: Turning it moves the field pointer. Pressing it fixes the pointer position.

In EDIT (green) status: Turning it changes the field pointer parameter value. Pressing it fixes the value.

8. Left and right keys:

In MOVE (blue) status: Moves the field pointer.

In EDIT (green) status: Changes the field pointer parameter value. If the field pointer is on a numeric

value entry field, pressing the key changes the pointer to a digit pointer.

9. Channel 1 terminals: High Force, Low Force, High Sense, Low Sense, Guard, and chassis ground

10. On/Off switch(es): Used to enable or disable the channel. Turns the channel off if it is in the output status

even if it is in the remote status. Two switches on 2-channel models. The switch turns green if the channel

is enabled. The switch turns red if the channel is in the high voltage state.

11. View key: Changes the display mode.

12. Cancel/Local key:

Cancels the setup operation if the instrument is in the local status.

Returns the instrument to the local status if it is in the remote status.

13. Function keys: Six keys for detail setup of several functions. Config, Function, Trigger, Result, File, Program,

I/O, System, and More.

14. Channel 2 terminals: Only on 2-channel models.

15. GPIB interface connector: Connects to GPIB interface of an external computer or equipment.

16. USB-B connector: Connects to USB interface.

17. LAN interface connector: Connects to 10/100 Base-T interface. Left LED indicates activity. Right LED

indicates link integrity.

18. Digital I/O connector: D-sub 25 pin female connector for general purpose I/O (GPIO). For trigger input/

output, interface to a handler, interface to an interlock circuit, etc. If the interlock terminals are open, the

instrument output is limited to ±42 V.

19. AC input connector: AC power cord is connected to this receptacle.

5 6

12 1113

Graph

Single Ch1

Roll

Dual

Single Ch2

B2912B

Graph

Single

B2901B/B2901BL/B2910BL

Graph

Single Ch1

Dual

D 2

Single Ch2

B2902B

Graph

Single

Roll

B2911B

Trigger auto

Trigger active

High voltage

Floating

Remote

Local lockout

Error

MOVE/EDIT

LXI LAN status indicator

View mode

MOVE status EDIT status

Press to select

MOVE status

2EDIT status

3 4

Select

Press to fix

Fix

Editing the Setup

Changing the View Mode

Status Information

b. Press the Mode assist key. c. Press the VOLTS (V) assist key.

1: Single

2 Set the Limit value.

d. Press the Source

assist key.

e. Edit the value as follows or in the same way as for 2-b.

a. Press the Limit assist key. Limit value is set to

+10 mA.

b. Edit the value as follows or in the same way as for 1-e.

3. Press the Ch1 switch to enable channel 1. This turns the switch green. Channel 1 starts applying

the voltage specified by the Source value. Changing the setup changes channel output immediately.

Performing Measurement

Disabling the Channel

Press the Ch1 switch to disable channel 1.

This turns off the switch light.

Measured value

a. Press the View key to

display the Single view.

Press to start a single measurement.

Press to start a repeat measurement.

* You can change the measurement parameter by

using the Measure assist key.

B2900 applies a constant voltage of +500 mV by the following procedure.

1. Set the source mode and the Source value.

Source is set to +500 mV.

Applying DC Output

This is the measurement example for a 1 kWresistor.

(1) Change the value

(2) Press the unit assist

key to fix value

(1) Move the digit pointer

(2) Change the value

(3) Press the rotary

knob to fix the value

Performing Low Current Measurements

For performing low current measurements accurately, use the triaxial cable. It can reduce the affect of leakage

current, external noise, and such caused by the extended measurement path. For using the triaxial cables, the

Keysight N1297A/N1297B banana to triaxial adapter is required. This adapter can convert the B2900 source/

measure terminals to the triaxial connectors.

1. Press the key to display the Single view.

2. Set the Source mode, Limit value, and measurement mode

as shown in "Applying DC Output".

3. Set the sweep parameters.

a. Press the More assist key to change the assist keys.

b. Press the Show Sweep assist key to display the Sweep

setup parameters.

c. Press the rotary knob to change the pointer status to EDIT (green).

d. Press the LINEAR SINGLE assist key to set the linear single

sweep mode.

The source shape indicator shows the staircase icon, and the status

changes to MOVE (blue).

e. Use the rotary knob, arrow keys, or numeric/alpha keys to set the

Start (sweep start), Stop (sweep stop), and

Step (sweep step) or Points (number of sweep steps) values.

4. Press the key to display the Graph view.

5. Press the Ch1 switch to enable channel 1. This turns the switch green.

Channel 1 starts applying the voltage specified by the Source value.

6. Press the key to start a single sweep measurement.

The measurement results will be displayed on the graph.

7. Press the Auto Scale assist key to fit the trace in

the graph scale.

8. Press the Ch1 switch to disable channel 1.

This turns off the switch light.

Performing Sweep Measurements

This is the measurement example for a 1 kW resistor.

B2900 applies a staircase sweep voltage and measures the current at each step voltage by the following procedure.

G: Graph

N1297A Bad connectionGood connection (no space)

Note for attaching the adapter on the B2900 terminals: Push the adapter in firmly until it locks

in-place (< 1 mm spacing). If there is some space as shown in “Bad connection”, the contact is not enough.

1 2 4 5 6 7 8 9

10 11

1. Channel number. 1 or 2.

2. Latest measurement data

3. Over voltage/current status indicator (OV or OC)

4. High capacitance mode indicator (HC)

5. Remote sensing (4-wire connection) status indicator

6. Source function. VOLTS or AMPS.

7. Source shape indicator. DC, pulse, sweep, or pulsed sweep. DC does not show the indicator.

8. Source output value, 5½ digit resolution on B2901B/B2902B/B2901BL/B2910BL, and 6½ digit resolution on

B2911B/B2912B

9. Limit (Compliance) value

10. Measurement speed. AUTO, SHORT, MEDIUM, NORMAL, LONG, or MANUAL.

11. Aperture time in seconds or PLC (power line cycle, number of power line cycles per measurement).

Only for the MANUAL speed.

12. Primary measurement data

13. Secondary measurement data or limit test result Pass or Fail

Single View

Range Setup

Sweep Setup

Pulse Setup

Trigger Setup

Source Volts: Spot

Measure Amps

Source Amps: Spot

Measure Volts

Measure Ohms

Constant voltage output range

Current measurement range

Constant current output range

Voltage measurement range

Resistance measurement range

Sweep Parameters

Start

Stop

Points

Step

Sweep mode. LINEAR SINGLE, LINEAR

DOUBLE, LOG SINGLE, or LOG DOUBLE

Sweep start value

Sweep stop value

Number of sweep steps

Sweep step value

Pulse

Peak

Delay

Width

Pulse output ON or OFF

Pulse peak value

Pulse delay time

Pulse width

Trigger

Count

Delay

Period

Trigger

Trigger type. AUTO, SYNC, TIMER, or

MANUAL

Trigger count (number of triggers)

Trigger delay time

Trigger period

Trigger source. AUTO, BUS, TIMER, INTn

(n=1 or 2), LAN, or EXTm (m=1 to 14)

Pulse base value is the same as the Source output value.

(Available for B2901B/B2902B/B2911B/B2912B)

(More > Show Sweep)

(More > Show Pulse)

(More > Show Trigger)

1. Graph display status ON or OFF. Only on 2-channel models. [n] is for channel n.

2. Y-axis data type I (A), V (V), R (W), P (W), or MATH

3. Y-axis scale LINEAR or LOG

4. X-axis data type I (A), V (V), R (W), P (W), MATH, t (s), V1, or V2

5. X-axis scale LINEAR or LOG

6. Graph maximum value

7. Graph minimum value

8. Channel 1 and/or 2 source output value, limit value, or none (controlled by the Ch n Source, Ch n Limit, or Hide

Ch n assist key)

9. Channel 1 and/or 2 Y-axis data at the active X-cursor position. ----.---- is displayed for the no-data position.

10. Cursor data (controlled by the Show Cursors or Hide Cursors assist key)

First line Positions and distance (e.g. I1, I2, ΔA) of Y-cursors 1 and 2

Second line Positions and distance (e.g. t1, t2, Δt) of X-cursors 1 and 2

1 2 3 4 5

Graph View

1. Displays status ON or OFF, on B2911B

Displays status Ch 1, Ch 2, or OFF, on B2912B

Two lines can be displayed on the graph. [1] indicates the graph setup for line 1. [2] indicates the graph setup

for line 2.

2. Y-axis data type I, V, R, or P.

3. Y-axis scale per division A/div., V/div., W/div., or W/div.

4. X-axis scale per division s/div.

5. X-axis minimum value (minimum timestamp)

6. Y-axis offset values for line 1 and 2

7. X-axis maximum value (maximum timestamp)

8. See Graph View.

9. See Graph View.

10. See Graph View.

Roll View 1 2 3 4

5 6 7

Displays the time domain graph

for plotting the channel 1 and/or

2 measurement data.

(Only on B2911B/B2912B)

Displays the graph for plotting

the channel 1 and/or 2

measurement or math result.

*B2910-90100*

Printed in Malaysia

Part Number B2910-90100

What is the B2900 SMU?

An SMU combines the capabilities of a current source,

a voltage source, a current meter, and a voltage meter

along with the capability to switch easily between these

various functions into a single instrument. This gives it

the ability to evaluate the IV characteristics of devices

across all four measurement quadrants without the need

for any additional equipment.

In addition to its DC operation mode, B2901B/B2902B/

B2911B/B2912B also have the ability to perform pulsed

measurements in order to prevent device self-heating

from distorting the measurement results.

-A

-V

Voltage source Current meter

Current source Voltage meter

2-Wire and 4-Wire Connections To simplify the connections, use 2-wire connection by

connecting the Force terminals only and opening the

Sense terminals.

For low resistance measurements and high current

measurements, use 4-wire connection. Connecting

the Force and Sense lines together at the terminal of the

DUT minimizes the measurement error caused by the

residual resistance of the test leads or cables.

Grounded and Floating Measurements

With the default setting, Low Force

terminal is connected to the chassis

ground. However, it can be

disconnected from the ground for

floating measurements. This setup is

effective for differential voltage

measurements which usually require

two channels as shown in the

Grounded 2 connection.

DUT

Grounded 1

DUT

Grounded 2

High Force

Low Force

DUT

Floating

SMU

High Force

Low Force

SMU

High Force

Low Force

SMU

High Force

Low Force

SMU

For the floating measurements, set the Low Terminal State to FLOATING on the Output Connection dialog box.

With the default setting, it is set to GROUNDED. The dialog box is opened by pressing the Config > Source >

Connection function keys. With the FLOATING setting, the Low Force and Low Sense terminals can be

connected to the maximum of ±250 V.

WARNING: Potentially hazardous voltages of up to ±250 V may be present at the Low Force and Low Sense

terminals. To prevent electrical shock, use accessories that comply with IEC 61010-031. The terminals and

the extended conductors must be isolated by using insulation caps, sleeves, etc.

DUT

4-Wire

DUT

High Force

Low Force

SMU

2-Wire

High Force

Low Force

SMU

High Sense

Low Sense

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