Keysight Technologies B2900A Series Precision Source/Measure Unit Data Sheet

Keysight Technologies B2900A Series Precision Source/Measure Unit Data Sheet
Keysight Technologies
B2900A Series
Precision Source/Measure Unit
Data Sheet
02 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Innovative SMU Provides Superior Performance and Rapid Measurement Results
Single view
Dual view
The Keysight Technologies, Inc. B2900A Series of Precision
Source/Measure Units are compact and cost-effective bench-top
Source/Measure Units (SMUs) with the capability to source and
measure both voltage and current. These capabilities make
the B2900A Series ideal for a wide variety of IV (current versus
voltage) measurement tasks that require both high resolution
and accuracy.
The Keysight B2900A Series of SMUs provide best-in-class
performance for a modest price. They have broad voltage
(±210 V) and current (± 3 A DC and ±10.5 A pulsed) sourcing
capability, excellent precision (minimum 10 fA/100 nV sourcing
and measuring resolution) and possess a superior color LCD
graphical user interface (GUI). In addition, several task-based
viewing modes dramatically improve productivity for test, debug
and characterization.
Roll view
The Keysight B2900A Series offers unmatched measurement
throughput and supports conventional SMU SCPI commands
for easy test code migration. These features improve efficiency
and lower the cost of ownership when integrating the SMUs into
systems for production test.
The Keysight B2900A Series consists of four models, the B2901A,
B2902A, B2911A and B2912A, differentiated through their
available features (number of digits displayed, measurement
resolution, minimum timing interval, supported viewing modes,
etc.) and by the number of SMU channels (one or two) they
contain. This makes it easy to select the exact price/performance
point you require to meet your testing needs.
Feature
Benefit
Integrated 4-quadrant sourcing and measuring capabilities
Easily and accurately measure current and voltage using a single instrument without the need to manually change any connections
Measurement range: ±210 V, ±3 A (DC), ±10.5 A (pulsed)
A single SMU product covers both high voltage and high current measurement needs, allowing for more standardization and simplifying inventory
and support concerns.
Source and measurement resolution down to 10 fA and 100 nV
Can make low-level measurements using a low-cost bench-top SMU that
were previously only possible using a more expensive semiconductor
device analyzer.
User-friendly front panel GUI with 4.3 inch color LCD display supports both
graphical and numerical view modes
Can quickly and easily perform measurements and display data on the front
panel, thereby greatly speeding up interactive test, characterization and
debug operations.
10 microsecond digitizing capability
Can capture low frequency phenomena in addition to DC characteristics.
Free PC-based control software
Can make measurements remotely from a PC without the need to program.
Supports both conventional and default SCPI commands
Conventional SCPI commands provide some compatibility with older SMU
code (such as Keithley 2400 series) to minimize code conversion work.
Default SCPI commands support advanced B2900A Series features.
Small form factor with USB2.0, LAN, GPIB and digital I/O interfaces
Easy integration into rack and stack systems.
03 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
The Best SMU Solution for a Broad Range of IV Measurements
Keysight B2900A Series Precision Source/Measure Unit
Testing semiconductors, discrete and passive
components
SMUs are popular and widespread instruments for performing IV
measurements in many different fields and applications due to
their integrated voltage and current sourcing and measurement
capabilities. The Keysight B2900A Series provides superior
performance and usability at a very reasonable price. In addition,
the Keysight B2900A Series supports many functions to speed up
production test and increase throughput. The versatile measurement capabilities of the B2900A Series SMUs make them an ideal
choice for a variety of IV measurements such as semiconductor
test, active/passive component test and general electronic device
and material characterization.
The B2900A Series has a broad application range that spans uses
from R&D and education to industrial development, production
test and automated manufacturing. Moreover, they work equally
well as either standalone or system components.
Diodes, laser diodes, LEDs
Photodetectors, sensors
Field effect transistors (FETs), bipolar junction transistors (BJTs)
ICs (analog ICs, RFICs, MMICs, etc)
Resistor, varistor, thermistors, switches
Testing precision electronics and green energy
devices
Photovoltaic cells
Power transistors, power devices
Battery
Automotive
Medical instruments
Power and DC bias source for circuit test
Research and education
New material investigations
Nano devices characterization (e.g. CNT)
Giant magnetic resistance (GMR)
Organic devices
Any precise voltage/current source and measurement
Application literature is available on the Keysight web site. For
more information please visit
www.keysight.com/find/precisionSMU
04 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Integrated Source and Measurement Capabilities Simplify Difficult
IV Measurement Tasks
The Keysight B2900A Series reduces
measurement complexity
Performing IV measurements with conventional instruments
such as voltage/current sources, arbitrary waveform generators
(AWGs), switches, and voltage/current meters is complicated
and confusing. It requires deep technical knowledge of both the
measurement technique and the instrumentation to perform an
accurate measurement.
The Keysight B2900A SMU integrates many different source
and measurement capabilities into one compact form factor. It
can operate as a seamless 4-quadrant precision voltage/current
Voltage
source
source, an electrical load, an accurate voltage/current meter, a
pulse generator and an AWG. Its versatile all-in-one integrated
source and measurement capabilities allow it to perform a wide
variety of measurements from DC to low frequency AC without
the need to change connections or use additional equipment.
Moreover, the availability of 2-channel models supports the
testing of devices with up to three terminals (as long as one
terminal can be tied to the circuit common).
If you wish to learn more about the advantages of using SMUs to
make IV measurements, then please refer to the section at the
back of this brochure entitled “Overview: Why use an SMU?”
Current
meter
Current
source
A
AWG
Switch
Volt
meter
V
DUT
Rack & stack solution:
Multiple instruments connected together
with no easy means to coordinate them.
device under test
Same measurement using an SMU
High
DUT
device under test
Low
SMU solution:
Integrated 4-quadrant voltage and
current sourcing and measurement
(including AWG function).
05 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Wide Voltage and Current Coverage for Testing a Variety of Devices
Test up to 210 V and 3 A (DC) or 10.5 A (pulsed)
with a single instrument
The B2900A SMUs can source and measure voltages of ±210 V and
currents of ±3 A (DC) or ±10.5 A (pulsed). This versatility allows
you to standardize on a single SMU model and minimize support
costs. These capabilities are present on both single and dual
channel versions, since on the 2-channel versions both channels
can be operated completely independently.
Integrated sweep and arbitrary waveform
measurement functionality
The Keysight B2900A Series has capabilities that allow it to
perform more than just simple DC and pulsed measurements. The
B2900A SMUs have a built-in sweep capability that supports all
of the standard sweep parameters such as linear and logarithmic
modes, single and double sweep functions and constant and
pulsed sweep operation. The B2900A GUI fully supports the
sweep measurement function, thereby allowing sweep measurements to be made and displayed quickly from the instrument
front panel. Of course, the user can also make the same sweep
measurements just as efficiently on the B2900A SMUs under
remote control using SCPI commands. This integrated sweep
measurement capability improves efficiency and reduces
measurement setup time.
In addition to its resident sweep functionality, the Keysight
B2900A Series also supports arbitrary waveform generation
(AWG) and list sweep capabilities. The AWG and list sweep
functions allow you to create waveforms with up to 2500 steps
for maximum flexibility, and enable you to specify a waveform of
arbitrary shape using familiar spreadsheet compatible data-entry
formats. The AWG and list sweep features are especially useful
when characterizing devices where the response varies greatly
depending upon the applied voltage or current, since they give
you the flexibility to “zoom in” on areas of interest.
Built-in functions provide flexible
waveform generation capabilities
200 μs
Constant DC
Pulse
You can create current pulses of up to 10.5 amps, which helps to
minimize device self-heating effects.
Linear sweep
Load: open
Pulsed
linear sweep
210 V
Custom wave forms ( list sweep)
0.5 ms
You can ramp up to a voltage of 200 V in 0.5 millisecond, which is
useful for evaluating high-power components.
Logarithmic
sweep
06 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Unmatched Bench-top SMU Measurement Performance
Source and measurement resolution down to
10 fA and 100 nV
4-wire measurement capability permits accurate
low resistance measurement
The Keysight B2900A Series consists of four models primarily
differentiated by number of channels (one or two) and measurement and sourcing resolution. The B2901A (single channel)
and B2902A (dual channel) versions possess 100 fA and 100 nV
measurement resolution and 1 pA and 1 μV sourcing resolution.
The B2911A (single channel) and B2912A (dual channel) precision
versions possess 10 fA and 100 nV of resolution for both
measurement and sourcing. All members of the Keysight B2900A
Series support popular banana jack style inputs for cost-effective
and flexible connectivity; for low-current measurements below
1 nA, banana jack to triaxial adapters are available.
When measuring small resistances the innate cable resistance
can create serious measurement error. To solve this, the Keysight
B2900A Series supports a 4-wire (also known as a remote sense
or Kelvin connection) measurement function. In the 4-wire
scheme two of the connectors force current and the other two
connectors measure voltage. Since the connectors measuring
voltage do not have any current flowing through them, they can
accurately sense the actual voltage at the DUT.
Capture transient phenomena effortlessly
The Keysight B2900A Series supports a high speed sampling
measurement function that permits the capture and display of
low frequency transient phenomena. The Keysight B2901A and
B2902A support a 20 μs (50,000 points/s) sampling rate and the
Keysight B2911A and B2912A support a 10 μs (100,000 points/s)
sampling rate. Of course, the maximum achievable sampling rate
depends on many factors including signal level, ambient noise
and desired resolution.
You can make and display accurate low-current measurements directly on the
B2900A front panel.
Measure large capacitive loads without oscillation
Large capacitive loads can sometimes cause SMUs to oscillate.
To mitigate this, the B2900A Series supports a high capacitance
measurement mode. The high capacitance mode enables the
measurement of large capacitive loads without having to worry
about SMU oscillation.
Roll view mode allows you to capture low-frequency transient phenomena.
07 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Ultra Fast Throughput Lowers Cost-of-test
Best-in-class measurement throughput
SCPI commands provide compatibility and versatility
Although an excellent R&D tool, the Keysight B2900A Series
is also well-suited for production test. It can achieve excellent
accuracy and repeatability at even short integration times. The
B2900A Series possesses the fastest measurement speed of any
SMU in its class.
Standard Commands for Programmable Instruments (SCPI) are
a popular and easy-to-understand instrument control protocol.
The Keysight B2900A Series supports two SCPI command sets,
conventional and default, to provide both code compatibility and
flexibility. The conventional command set has a large number of
its commands compatible with those of older SMUs (such as the
Keithley 2400) to minimize code conversion work. The default
command set supports advanced Keysight B2900A Series
features and they should be used to fully utilize its performance
and capabilities.
Program memory and trace buffer features
improve throughput
To reduce bus communication time, the B2900A Series
supports a program memory feature that allows long strings
of SCPI commands to be stored on the instrument. These code
sequences can be executed by sending a single command
across the communication bus, greatly improving throughput for
frequently executed command strings.In addition, the B2900A
Series supports a trace buffer that can store up to 100,000 data
points. This allows the results from multiple measurements to
be downloaded at once, thereby reducing data transfer time and
also improving overall throughput.
Maximum sweep operation reading rate per second
(Source/measure to GPIB at 50 Hz)
FAST!
Keysight B2900A Series SMU
Conventional system SMU-A
Conventional system SMU-B
Conventional bench-top SMU-C
0
2500 5000 7500 10000 12500 15000
Readings per second
08 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Overview: Why Use an SMU?
Resource integration reduces measurement error
Limit (compliance) feature prevents device damage
An SMU is an instrument that 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). Because the source and measurement
circuitry is closely integrated, the user can achieve far better
measurement performance with less measurement error than
would be possible by using various independent instruments to
make the same measurement.
SMUs also possess a voltage and current limit (compliance)
feature that allows the user to set limits and to protect devices
from damage caused by excessive voltage or current. Although
the SMU normally continues to function when it reaches the
user-specified limit value, it can also be set to shutdown just like
the over current protection (OCP) and over voltage protection
(OVP) functions do on a power supply.
Accurate timing control of source and measurement resources
Feedback mechanism stabilizes voltage and
current sourcing
Since SMUs have the ability to very accurately measure their own
current and voltage output, they have many advantages over
conventional power supplies. All SMUs have internal feedback
loops that provide instantaneous feedback to the sourcing
circuitry, which in-turn allows the SMU output to remain accurate
and stable even if the load conditions change unexpectedly.
The integration of the source and measurement resources in an
SMU allows much tighter synchronization than would be possible
with separate instruments. Moreover, the B2900A Series provides
very flexible triggering options that allow the measurements
points to be defined independently from the sourced current or
voltage waveform. On two channel units you can operate both
channels in synchronization or independently, and under remote
control you can trigger multiple units in unison using a group
trigger signal.
Feedback
High
A
V
Low
Source block:
Precision voltage and current source/sink
with sweep, pulse and AWG capabilities.
Voltage/current limit capability is also
available.
Simplified block diagram of the Keysight B2900A Series
Measurement block:
Precision voltage and current meter with
high speed digitizing capability.
09 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Innovative GUI and 4.3" Color LCD Display Facilitate Fast Bench-top Test,
Debug and Characterization
The B2900A’s front panel has many features that make interactive
use fast and friendly. These include a 4.3” color LCD display, a
USB2.0 memory I/O port, an assist key, an alphanumeric keypad
and a rotary knob. The 4.3” color LCD display supports both
graphical and numerical view modes, and enables test setup and
check test results quickly. The USB2.0 memory port supports
easy data storing and porting. The Innovative graphical user
interfaces, such as single view, dual view, graph view, roll view
and zoom, improves usability and productivity of bench-top tests,
debug and characterizations dramatically.
Single view:
Dual view:
Single view provides basic and advanced settings and display capabilities for the
selected channel from the front panel of the instrument. No additional controller or
software is required.
Dual view provides the basic settings and display capabilities for both channels 1
and 2. Up to 6. digits can be displayed in dual view mode. This mode is available
only for the B2902A/B2912A.
Graph view:
Roll view:
Graph View displays measurement results on XY graphs (such as I-V and I-t/V-t
curves) on up to 2 channels. This is useful for quick evaluation of device characteristics, especially those obtained from sweep measurements.
Roll view draws I-t or V-t curves similar to the curves drawn by a strip chart
recorder. Up to 1000 acquired data points can be displayed and updated while the
measurement is still in progress. Roll view’s continuous measurement capability
is especially useful for monitoring low frequency phenomena. Roll view is available
only for the B2911A/B2912A.
10 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Multiple Remote Control Choices Optimize Performance for Different Applications
The Keysight B2900A Series of SMUs offers multiple options for instrument remote control at little or no cost. Four solutions are
available: BenchVue, B2900A Graphical Web Interface, B2900A Quick IV Measurement Software, and EasyEXPERT group+.These
multiple software control options allow you to choose the solution that best fits your particular application
BenchVue
BenchVue allows you to control the
B2900A SMUs as voltage/current sources
from a PC without the need to do any
programming. In addition, because
BenchVue supports a wide variety of
Keysight instruments (oscilloscopes,
meters, etc.) it is a good choice when you
need to integrate together many different
types of instruments on a benchtop.
Graphical Web Interface
The Keysight B2900A has a built-in LXI
compliant web server that allows any Java
enabled web browser (such as Internet
Explorer) to control it over the LAN. The
graphical web interface supports all of the
basic measurement functions such as spot
measurements, sweep measurements and
pulsed source measurements. Since no
special software is required this feature
is convenient for making quick measurements on the fly.
11 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Quick I/V Measurement Software
Keysight B2900A Quick I/V Measurement
Software permits easy measurement
setup and execution on a Windows-based
PC. It has a user-friendly GUI that can be
used with all of the B2900A’s interfaces
(LAN, USB and GPIB). It can control up to
four SMU channels in any configuration of
single and dual channel units.
EasyEXPERTgroup+
Keysight EasyEXPERT group+ provides a
powerful IV parametric characterization
solution for a wide range of devices and
materials. It has an intuitive mouse and
keyboard driven graphical user interface
that simplifies common characterization
tasks such as test setup and execution,
data analysis, data management/protection, etc. Moreover, since it can support
up to eight SMU channels (four 2-channel
SMU units) EasyEXPERT group+ makes
it easy to characterize multi-terminal
devices.
12 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Available Accessories Facilitate Special Test Needs
Easy banana jack connectivity with various
accessories
The Keysight B2900A uses convenient and low-cost banana
jack terminals, which support a variety of cables, adaptors and
accessories.
Banana to triaxial adaptor for low current
measurement
Since banana jacks cannot support low current measurement
(i.e. measurements of 1 nA and below), a banana jack to triaxial
adapter is available to permit the use of high-performance triaxial
cables. This makes it easy to connect to both triaxial-based test
fixtures and wafer probers. Of course, both 2-wire and 4-wire
triaxial adapters are available.
Test fixtures for testing packaged devices
The Keysight N1295A Device/Component Test Fixture provides a
low-cost solution to quickly and easily test packaged devices and
components. It has four triaxial inputs and supports voltage and
current measurements of up to 42 V and 1 A.
For more advanced packaged testing needs, the Keysight 16442B
test fixture provides more capabilities. It offers support for higher
pin count devices, more flexible connectivity and an interlock
feature for safely applying voltages greater than 42 V. Keysight can
supply adapters to use the 16442B interlock with the B2900A’s
digital output.
The Keysight N1295A Device/Component
Test Fixture provides a low-cost solution
to quickly and easily test packaged
devices and components.
Banana jack to triaxial
adapters are available in
both 2-wire and 4-wire
versions.
Using the available accessories and furnished
software you can create a low-cost
PC-based component testing solution.
13 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Specifications
Specification conditions
Current [A]
10.5
Current [A]
Temperature
23 °C ± 5 °C
Humidity
30% to 80% RH
After 60 minutes warm-up
Ambient temperature change less than ±
3 °C after self-calibration execution
3.03
-210
Calibration period
1 year
Measurement speed
1 PLC (power line cycle)
-21
-6
1.515
0.1
Voltage [V]
21
-0.1 6
210
1.515
Voltage [V]
-200
-1.515
DC or pulsed
1
Pulsed only1
210 V
0.105 A
21 V
1.515 A 2
6V
3.03 A 2
200 V
1.515 A
6V
10.5 A
200
-10.5
Pulsed only1
DC or pulsed1
Max current
6
-1.515
-3.03
Maximum voltage and current
Max voltage
-6
1. See “Maximum pulse width and duty cycle” in Pulse Source Supplemental
Characteristics for applicable maximum voltage and current.
2. Max current limitation: For 21 V/1.515 A and 6 V/3.03 A ranges, total max
current is limited by the table below for using 2 channels. Max current is
not limited for using 1 channel only.
Maximum current limitation
Ch1 voltage
Ch2 voltage
Max total current limitation of Ch1 and Ch2
±(0 V < V ≤ 6 V)
±(0 V < V ≤ 6 V)
Ch1 current + Ch2 current ≤ 4 A
±(0 V < V ≤ 6 V)
±(6 V < V ≤ 21 V)
Ch1 current + Ch2 current x 1.6 ≤ 4 A
±(6 V < V ≤ 21 V)
±(0 V < V ≤ 6 V)
Ch1 current + Ch2 current x 0.625 ≤ 2.5 A
±(6 V < V ≤ 21 V)
±(6 V < V ≤ 21 V)
Ch1 current + Ch2 current ≤ 2.5 A
Voltage source specifications
Range
B2901A/B2902A
B2911A/B2912A
Accuracy
(% reading + offset)
±200 mV
1 μV
100 nV
±(0.015 % + 225 μV)
≤ 10 μV
±210 mV
±2 V
10 μV
1 μV
±(0.02 % + 350 μV)
≤ 20 μV
±2.1 V
±20 V
100 μV
10 μV
±(0.015 % + 5 mV)
≤ 200 μV
±21 V
±200 V
1 mV
100 μV
±(0.015 % + 50 mV)
≤ 2 mV
±210 V
1. Supplemental characteristics
Programming resolution
Noise
(peak to peak)
0.1 Hz to 10 Hz1
Max voltage
(over range)
14 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Current source specifications
Range
±10 nA
Programming resolution
B2901A/B2902A
B2911A/B2912A
Accuracy
(% reading + offset)
Noise (peak to peak)
0.1 Hz to 10 Hz 1
Max current
(over range)
—
10 fA
±(0.10 % + 50 pA)
≤ 1 pA
±10.5 nA
±100 nA
1 pA
100 fA
±(0.06 % + 100 pA)
≤ 2 pA
±105 nA
±1 μA
10 pA
1 pA
±(0.025 % + 500 pA)
≤ 25 pA
±1.05 μA
±10 μA
100 pA
10 pA
±(0.025 % + 1.5 nA)
≤ 60 pA
±10.5 μA
±100 μA
1 nA
100 pA
±(0.02 % + 25 nA)
≤ 2 nA
±105 μA
±1 mA
10 nA
1 nA
±(0.02 % + 200 nA)
≤ 6 nA
±1.05 mA
±10 mA
100 nA
10 nA
±(0.02 % + 2.5 μA)
≤ 200 nA
±10.5 mA
±100 mA
1 μA
100 nA
±(0.02 % + 20 μA)
≤ 600 nA
±105 mA
±1 A
10 μA
1 μA
±(0.03 % + 1.5 mA)
≤ 70 μA
±1.05 A
±1.5 A
10 μA
1 μA
±(0.05 % + 3.5 mA)
≤ 100 μA
±1.515 A
±3 A
100 μA
10 μA
±(0.4 % + 7 mA)
≤ 120 μA
±3.03 A
100 μA
10 μA
±(0.4 % + 25 mA)
±10 A
1. 2. 3. 4. 2
3
4
±10.5 A
Supplemental characteristics
10 nA range is not available for B2901A/B2902A.
10 A range is available only for pulse mode, not available for DC mode.
Measurement speed: 0.01 PLC
Source supplemental characteristics
Temperature coefficient (0 to 18°C and 28 to 50°C)
± (0.1 x accuracy) /°C
Max output power and source/sink limits
31.8 W
±6 V @ ±3.03 A, ±21 V @ ±1.515 A, ±210 V @ ±105 mA, four quadrant source or sink operation
Current limit/compliance
Accuracy is same as current source. Minimum value is 1 % of range, or 1 nA in 10 nA range.
Voltage limit/compliance
Accuracy is same as voltage source. Minimum value is 1 % of range, or 20 mV in 200 mV range
Over range
101 % of source range for 1.5 A and 3 A ranges. 105 % of source range other than 1.5 A and 3 A
ranges. No over range for 200 V range with current exceeding 105 mA pulse only condition.
Over temperature protection
Output turns off then resets at over temperature sensed internally
Voltage output settling time
Time required to reach within 0.1 % of final value at open load condition. Step is 10 % to 90 %
range
200 mV, 2 V ranges
< 50 μs
20 V range
< 110 μs
200 V range
< 700 μs
Slew rate
≤ 0.36 V/μs, 20 V and 10 mA ranges, 10 MΩ load resistance
Current output settling time
Time required to reach within 0.1 % (0.3 % for 3 A range) of final value at short condition. Step is 10 %
to 90 % range
10 nA, 100 nA ranges
< 10 ms
1 μA range
< 500 μs
10 μA, 100μA ranges
< 250 μs
1 mA to 3 A ranges
< 80 μs
Noise 10 Hz to 20 MHz (V source)
3 mVrms, 20 V range
V source overshoot
< ±(0.1 % + 10 mV). Step is 10 % to 90 % range, resistive load
I source overshoot
< ±0.1 % (< ±0.3 % for 3 A range). Step is 10 % to 90 % range, resistive load
Voltage source range change overshoot
≤ 250 mV. 100 kΩ load, 20 MHz bandwidth
Current source range change overshoot
≤ 250 mV/R load, 20 MHz bandwidth
15 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Pulse source supplemental characteristics
Minimum programmable pulse width
50 μs
Pulse width programming resolution
1 μs
Pulse width definition
The time from 10 % leading to 90 % trailing edge as follows
Pulse width
Peak level
90%
Base level
10%
Maximum pulse width and duty cycle
Pulsed
DC or pulsed
Pulsed only
DC
Max
voltage
Max peak
current
Max base
current
Pulse width
Max duty cycle
Max voltage
Max current
210 V
0.105 A
0.105 A
50 μs to 99999.9 s
99.9999 %
210 V
0.105 A
21 V
1.515 A1
1.515 A1
50 μs to 99999.9 s
99.9999 %
21 V
1.515 A1
6V
3.03A1
3.03 A1
50 μs to 99999.9 s
99.9999 %
6V
3.03 A1
200 V
1.515A
50 mA
50 μs to 2.5 ms
2.5 %
180 V
1.05 A
50 mA
50 μs to 10 ms
2.5 %
6V
10.5 A
0.5 A
50 μs to 1 ms
2.5 %
1. Max current limitation: For 21 V/1.515 A and 6 V / 3.03 A ranges, total max current is limited by the table in page 12 for using 2 channels. Max current
is not limited for using 1 channel only.
Minimum pulse width at the given voltage, current and settling conditions
Source value
Limit value
Load
Source settling (% of range)
Min pulse width
200 V
1.5 A
200 Ω
0.1%
1 ms
6V
10.5 A
0.6 Ω
0.1%
0.2 ms
1.5 A
200 V
65 Ω
0.1%
2.5 ms
10.5 A
6V
0.5 Ω
0.1%
0.2 ms
16 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Voltage measurement specifications
Range
Measurement resolution
B2901A/B2902A
B2911A/B2912A
Accuracy
(% reading + offset)
±200 mV
100 nV
100 nV
±(0.015 % + 225 μV)
±2 V
1 μV
1 μV
±(0.02 % + 350 μV)
±20 V
10 μV
10 μV
±(0.015 % + 5 mV)
±200 V
100 μV
100 μV
±(0.015 % + 50 mV)
1. Supplemental characteristics
Current measurement specifications
Range
B2901A/B2902A
B2911A/B2912A
Accuracy
(% reading + offset)
±10 nA1
—
10 fA
±(0.10 % + 50 pA)
±100 nA
100 fA
100 fA
±(0.06 % + 100 pA)
±1 μA
1 pA
1 pA
±(0.025 % + 500 pA)
±10 μA
10 pA
10 pA
±(0.025 % + 1.5 nA)
±100 μA
100 pA
100 pA
±(0.02 % + 25 nA)
±1 mA
1 nA
1 nA
±(0.02 % + 200 nA)
±10 mA
10 nA
10 nA
±(0.02 % + 2.5 μA)
±100 mA
100 nA
100 nA
±(0.02 % + 20 μA)
±1 A
1 μA
1 μA
±(0.03 % + 1.5 mA)
±1.5 A
1 μA
1 μA
±(0.05 % + 3.5 mA)
±3 A
10 μA
10 μA
±(0.4 % + 7 mA)
10 μA
10 μA
±(0.4 % + 25 mA)3
±10 A
2
Measurement resolution
1. 10 nA range is not available for B2901A/B2902A.
2. 10 A range is available only for pulse mode, not available for DC mode.
3. Measurement speed: 0.01 PLC
Measurement supplemental characteristics
Temperature coefficient (0 to 18°C and 28 to 50°C)
± (0.1 x accuracy) /°C
Over range
102 % of measurement range for 1.5 A and 3 A ranges
106 % of measurement range other than 1.5 A and 3 A ranges
Voltage measurement range change overshoot
< 250 mV. 100 kΩ load, 20 MHz bandwidth
Current measurement range change overshoot
< 250 mV/R load, 20 MHz bandwidth
Derating accuracy for measurement speed less than 1 PLC
Add % of range using the following table for measurement with PLC < 1
Derating accuracy with PLC setting< 1 PLC
Voltage range
Current range
0.2 V
2 V to 200 V
10 nA
100 nA
1 μA to 100 mA
1 A to 3 A
0.1 PLC
0.01%
0.01%
0.1%
0.01%
0.01%
0.01%
0.01 PLC
0.05%
0.02%
1%
0.1%
0.05%
0.02%
0.001 PLC
0.5%
0.2%
5%
1%
0.5%
0.2%
17 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Timer and triggering specification
Timer
Triggering1
Time stamp
TIMER value automatically saved when each measurement is triggered
Trigger timing resolution
1 μs to 100 ms
Accuracy
± 50 ppm
Arm/trigger delay
0 μs to 100,000 s
Arm/trigger interval
B2901A/B2902A : 20 μs to 100,000 s
B2911A/B2912A : 10 μs to 100,000 s
Arm/trigger event
1 to 100,000
Digital I/O Trigger in to trigger out
≤ 5 μs
Digital I/O Trigger in to source change
≤ 5 μs
LXI Trigger in to source change
Minimum 100 μs, Typical 200 μs, Maximum Unknown
LXI Trigger in to measurement
Minimum 100 μs, Typical 200 μs, Maximum Unknown
Internal event to external LXI trigger output
Minimum 100 μs, Typical 200 μs, Maximum Unknown
LXI event send/receive latency
Unknown
Minimum trigger interval
10 μs
1. Supplemental characteristics
Other supplemental characteristics
Output characteristics
Sensing Modes
2-wire or 4-wire (Remote-sensing) connections
Low terminal connection
Chassis grounded or floating
Output connectors
Banana jack. Triaxial connections are recommended for sourcing and measuring less than 1 nA. A banana
jack to triaxial adapter is available for low current measurement.
Output location
Channel 1 at front, and channel 2 at rear
Maximum load
Normal mode: 0.01 μF
High Capacitance mode: 50 μF
DC loating voltage
Max ±250 V DC between low force and chassis ground
Guard offset voltage (V source)
< 4 mV
Remote sense operation range
Max voltage between High Force and High Sense = 3 V
Max voltage between Low Force and Low Sense = 3 V
Common mode isolation
> 1 GΩ, < 4500 pF
Maximum sense lead resistance:
1 kΩ for rated accuracy
Sense input impedance
> 10 GΩ
18 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
High capacitance mode
The high capacitance mode permits the measurement of devices with capacitances greater than the normal mode maximum load value of 0.01 μF. In high
capacitance mode the maximum allowed value of the load capacitance is 50 μF.
Time required to reach within 0.1 % of final value with 4.7 μF capacitive load on a fixed range at specified
current range and limit value
Voltage output settling time
200 mV, 2 V ranges
600 μs, at 1 A limit
20 V range
1.5 ms, at 1 A limit
200 V range
20 ms, at 100 mA limit
Time required to reach within 0.1 % of final value after voltage source is stabilized on fixed range. Vout is 5 V
unless noted.
Current measurement settling time
Mode change delay
Delay into high
cap mode
Delay out of high
cap mode
1 μA range
230 ms
10 μA, 100 μA ranges
23 ms
1 mA, 10 mA ranges
0.23 ms
100 mA to 3 A ranges
100 μs
1 μA range
230 ms
10 μA, 100 μA ranges
23 ms
1 mA to 3 A ranges
1 ms
All ranges
10 ms
Noise 10 Hz to 20 MHz (20 V range)
4.5 mVrms
Voltage source range change overshoot (20 V range or below)
< 250 mV, 20 MHz bandwidth
High Capacitance
mode working
conditions
V/I mode
Voltage source mode only
Range
Current measurement range is limited to fixed range only. 10 nA and
100 nA ranges are not available.
Current limit
≥ 1 μA
Other supplemental characteristics, continued
Resistance measurement
Resistance measurement can be performed under either auto or manual test conditions. Auto resistance measurement is performed in current source
and voltage measurement mode. The total auto resistance measurement error is shown in the table below. The total error of a manual resistance
measurement can be calculated using the voltage andcurrent accuracy information as shown below.
Source I mode, manual ohm measurement (4-wire)
Total error = Vmeas/Isrc = R reading x (gain error % of V range + gain error % of
I range + offset error of I range/Isrc value %) + (offset error of V range/Isrc value)
Source V mode, manual ohm measurement (4-wire)
Total error = Vsrc/Imeas = 1/ [1/R reading x (gain error % of I range + gain error % of
V range + offset error of V range/Vsrc value %) + (offset error of I range/Vsrc value)]
Measurement speed
1 PLC
Applicable for temperature
23 °C ± 5 °C
Example of total error calculation
I source value = 1 mA at 1 mA range
V measure range = 2 V range
Total error (% reading + offset) = (0.02 % + 0.02 % + 200 nA/1 mA) + (350 μV/1 mA) =
0.06 % + 0.35 Ω
19 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Typical performance of auto resistance measurement (4-wire), 2 V range
Range
Resolution
Test current
Current range
Total error
(% reading + offset)
2Ω
1 μΩ
1A
1A
0.2 % + 0.00035 Ω
20 Ω
10 μΩ
100 mA
100 mA
0.06 % + 0.0035 Ω
200 Ω
100 μΩ
10 mA
10 mA
0.065 % + 0.035 Ω
2 kΩ
1 mΩ
1 mA
1 mA
0.06 % + 0.35 Ω
20 kΩ
10 mΩ
100 μA
100 μA
0.065 % + 3.5 Ω
200 kΩ
100 mΩ
10 μA
10 μA
0.06 % + 35 Ω
2 MΩ
1Ω
1 μA
1 μA
0.095 % + 350 Ω
20 MΩ
10 Ω
100 nA
100 nA
0.18 % + 3.5 kΩ
200 MΩ
100 Ω
10 nA
100 nA
1.08 % + 35 kΩ
System speeds
Maximum sweep operation reading rates (reading/second) for 50 Hz
Measure speed
Measure to
memory
Measure to GPIB
Source measure
to memory
Source measure
to GPIB
< 0.001 PLC
20000
12500
19500
12500
0.01 PLC
4500
3950
4500
3950
0.1 PLC
500
490
500
490
1 PLC
49
49
49
49
Operation reading rate varies by number of sweep steps. Number of sweep steps is specified.
Environmental specifications
Environment
For use in indoor facilities
Operating
0 °C to +55 °C, 30 % to 80 % non-condensing
Storage
-30 °C to 70 °C, 10 % to 90 % non-condensing
Altitude
Operating: 0 m to 2000 m, Storage: 0 m to 4600 m
Power supply
90 V to 264 V, 47 Hz to 63 Hz, 250 VA maximum
EMC
IEC61326-1/EN61326-1, AS/NZS CISPR 11, KC: RRA Notification amending Radio Waves Act Article 58-2
Safety
IEC61010-1/EN61010-1, CAN/CSA-C22.2 No. 61010-1-04, C/US
Certifications
CE, cCSAus, C-Tick, KC
Warm-up
Dimensions
Weight
1 hour
Case
88 mm (2U) x 213 mm (half width) x 450 mm
Working
180 mm x 260 mm x 480 mm (with handle & feet)
Net
5.0 kg (B2901A, B2911A), 6.4 kg (B2902A, B2912A)
Shipping
9.0 kg (B2901A, B2902A, B2911A, B2912A)
20 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Front panel operation
Front panel interface
4.3” TFT color display (480x272, with LED backlight) with keypads and rotary knob
View mode
Single view, Dual view, Graph view and Roll view
Hardkeys
Single Trigger and Auto Trigger control, 10-key, Rotary Knob and Cursors, Channel on/off, View, Cancel/Local
Softkeys
Function, System and Input Assist Keys
Indicators
Channel (measurement) status, System status
Source/measurement capabilities
Sweep measurement
Number of steps
1 to 2,500
Sweep mode
Linear, logarithmic (log) or list
Sweep direction
Single or double
Type
DC, or pulse
Min programmable value to create list
sweep waveform
B2901A/B2902A: Min 20 μs with 1 μs resolution
B2911A/B2912A: Min 10 μs with 1 μs resolution
Digitizing/sampling measurement
Min trigger interval (Max speed of
measurement)
B2901A/B2902A: 20 μs (50,000 points/s)
B2911A/B2912A: 10 μs (100,000 points/s)
Data buffers
Max buffer size
100,000 points / channel
104 mm
260.5 mm
480 mm
87.7 mm
212.8 mm
450 mm
21 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Input/Output connectivity
GP-IB
IEEE-488.2
Ethernet
100BASE-T / 10BASE-T
USB
USB 2.0 host controller (front)
USB 2.0 device interface (rear)
Digital I/O
Connector type
25-pin female D.
Input/output pins
14 open drain I/O bits
Absolute max input voltage
5.25 V
Absolute min input voltage
- 0.25 V
Max logic L input voltage
0.8 V
Min logic H input voltage
2.0 V
Max source current
1 mA @ Vout = 0 V
Max sink current
50 mA @ Vout = 5 V
5 V power supply pin
Limited to 500 mA, solid state fuse protected
Safety interlock pin:
One active high pin and one active low pin. Activation of both pin enables output voltage > 42 V
Maximum number of simultaneously triggered units (using
Digital I/O)1:
8
1. Supplemental characteristic
USB 2.0 memory I/O
4.3” color LCD display
Dual view
Assist key,
Channel 1
numeric /alpha
terminal
keys and rotary knob
Channel 2
terminal
GPIB
Digital
I/O Port
USB2.0/LAN
Interface
Program, software and drivers
Programming
SCPI
Program memory
100 kB (2500 lines typical)
LXI compliance
LXI Core 2011
Software available
EasyEXPERT group+, Quick I/V Measurement Software, Graphical Web Interface, BenchVue
Drivers available
IVI-C, IVI-COM drivers, LabVIEW drivers
22 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Software prerequisites
EasyEXPERTgroup+
Quick IV
BenchVue
Operating system
Microsoft Windows Vista Business SP2 or later (32bit), Microsoft
Windows 7 Professional SP1 or later (32bit/64bit), Microsoft Windows
8.1 Professional or later (32bit/64bit)
Supporting language
English (US)
.NET Framework
Microsoft .NET, Framework 3.5 SP1
IO Libraries
Keysight IO Libraries Suite 16.2, 16.3, 17.1 update 1 or later (for the
Online execution mode)
Memory
2 GB memory
Display
XGA 1024 x 768 (SXGA 1280 x 1024 recommended)
HDD
Installation: 1GB free disk space on the C drive, Test setup/result data
storage: Free disk space more than 30GB is recommended
Recommended GPIB I/F
Keysight 82350B/C (PCI)1, 82351B(PCIe)1, 82357A (USB) 2, 3, 82357B
(USB) 2, 3
National Instrument: GPIB-USB-HS (USB)2,1
Operating system
Windows 7 (64 bit/32 bit)
Supporting language
English (US)
.NET Framework
Microsoft .NET, Framework 4.0 or later
IO Libraries
16.0 or later
Interfaces
USB, GP-IB, LAN
Operating system
Windows 10 32-bit and 64-bit (Professional, Enterprise, Education, Home
versions)
Windows 8 32-bit and 64-bit (Professional, Enterprise, Core)
Windows 7 SP1 and later 32-bit and 64-bit (Professional, Enterprise,
Ultimate, Home Basic, Home Premium)
HDD
Processor: 1 GHz or faster (2 GHz or greater recommended)
RAM: 1 GB (32-bit) or 2 GB (64-bit) (3 GB or greater recommended)
Display resolution
1024 x 768 minimum for single instrument view (higher resolutions are
recommended for multiple instrument view)
Interfaces
USB, GPIB, LAN, RS-232
1. A PCI or PCIe card is highly recommended because of stability and speed.
2. USB GPIB interfaces might cause serial poll error intermittently due to the intrinsic communication scheme differences. It is reported that using an even
GPIB address sometimes significantly decreases the chance of the error. The NI GPIB-USB-HS is recommended for stability, and the Keysight 82357x is
recommended for speed.
3. EasyEXPERT software prohibits to set the odd GPIB address to prevent the issue above.
Keysight B2900A family
The B2900A series is a member of B2900 Precision Instrument Family, which provide a
variety of precision measurement solutions with both sourcing and measurement capabilities. The B2960A series of Low Noise Power Sources have up to 6.5-digit voltage/current
sourcing resolution and a 10 μVrms noise floor. The B2980A series of picoammeter/
electrometer have down to 0.01fA and up to 10 PΩ. Further information on the B2900
Precision Instrument Family is available at http://www.keysight.com/find/b2900a.
B2960A Low Noise Power Source
B2980A Picoammeter and Electrometer/High R meter
23 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
Furnished Accessories
Power cable, USB cable, Quick Reference (English), CD-ROMs (including PDF manuals, Quick I/V Measurement Software and drivers,
EasyEXPERT group+ install media), Keysight I/O Library Suite
Ordering Information
Model number
B2901A
Precision Source/Measure Unit, 1ch, 100 fA, 210 V, 3 A DC/10.5 A pulse
B2902A
Precision Source/Measure Unit, 2ch, 100 fA, 210 V, 3 A DC/10.5 A pulse
B2911A
Precision Source/Measure Unit, 1ch, 10 fA, 210 V, 3 A DC/10.5 A pulse
B2912A
Precision Source/Measure Unit, 2ch, 10 fA, 210 V, 3 A DC/10.5 A pulse
Options
0B0
Download the Product Manual from the Keysight website
ABA
User Guide English for B2900 Series
ABJ
User Guide Japanese for B2900 Series
AB0
User Guide Traditional Chinese for B2900 Series
AB2
User Guide Simplified Chinese for B2900 Series
A6J
ANSI Z540-1-1994 Calibration
UK6
Commercial Calibration Certificate with Test Data
B2980A-1CM
Rack Mount Kit
Accessories
N1294A-001
Banana - Triax adapter for 2-wire (non Kelvin) connection
N1294A-002
Banana - Triax adapter for 4-wire (Kelvin) connection
N1294A-011
Interlock cable for 16442B (1.5 m)
N1294A-012
Interlock cable for 16442B (3.0 m)
N1294A-031
GPIO-BNC trigger adapter
N1294A-032
Digital I/O trigger cable for multiple unit control
16494A-001
Low leakage triax cable (1.5 m)
16494A-002
Low leakage triax cable (3.0 m)
16494A-005
Low leakage triax cable (4.0 m)
Upgrade kit
B2901AU
B2901A Software Upgrade Package, Extension Support and Subscription
B2902AU
B2902A Software Upgrade Package, Extension Support and Subscription
B2911AU
B2911A Software Upgrade Package, Extension Support and Subscription
B2912AU
B2912A Software Upgrade Package, Extension Support and Subscription
Keysight precision current-voltage analyzer series and power device analyzer series
www.keysight.com/find/analyzer
24 | Keysight | B2900A Series Precision Source/Measure Unit – Data Sheet
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Quality Management System
This information is subject to change without notice.
© Keysight Technologies, 2013 - 2016
Published in USA, January 11, 2016
5990-7009EN
www.keysight.com
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