B2961A

B2961A KEYSIGHT | Alldatasheet

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6.5 Digit Low Noise Power Source

210 V, 3 A DC/10.5 A Pulse, 31.8W 100 nV/10 fA Resolution Data Sheet

02 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet Impressive 6.5 Digit 100 nV/10 fA Resolution, 10 μVrms Ultra Low Noise and Innovative Source Functions Accelerate Your Research and Development Revolutionary power supply/source meets both existing and future test needs Power supplies/sources are essential instruments for test and evaluation across the electronics industry. The on-going industry trends of reduced power consumption and faster communication data rates increasingly require power sources that can support lower levels of current and voltage. These requirements mandate that power supplies/sources meet ever higher levels of performance. The Keysight Technologies, Inc. B2961A/B2962A 6.5 Digit Low Noise Power Source is a new bench-top power supply/source with revolutionary capabilities and functions not previously available. Its unique features include bipolar current sourcing and sinking, a programmable output resistance feature, and a time-domain waveform viewer supported in the graphical user interface (GUI). You can choose between 1-channel (B2961A) and 2-channel (B2962A) models, allowing you to select the exact amount of bench-top power source performance to meet your testing needs. – Best-in-class 6.5 digit resolution (100 nV/10 fA minimum resolutions) – Wide bipolar (4-quadrant) voltage/current ranges (210 V/3 A DC, 10.5 A Pulse) – Ultra low noise filter (10 μVrms, 1 nV/√ Hz at 10 kHz) – Intuitive graphical user interface with wide 4.3” color LCD – Convenient 4.5 digit voltage/current monitor – Time domain waveform viewer for quick check and debug – Precision 1 mHz –10 kHz arbitrary waveform generation capability – Flexible programmable output resistance function. In addition to these innovative bench-top power supply/source features, the Keysight B2961A/B2962A can be controlled remotely using Keysight free PC-based BenchVue, Quick I/V Measurement Software or through any LXI compliant web browser. These capabilities simplify the task of incorporating measurement data and graphs into reports and presentations. The superior performance and innovative functions of the Keysight B2961A/B2962A cover a broad range of test applications. BeST IN CLASS ReSoLUTIoN • ULTRA-LoW NoISe • INNoVATIVe SoURCe FUNCTIoNS

03 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet Key Features and Benefits Key Features Benefit Best-in-class resolution and wide bipolar range – 6.5 digit (100 nV/10 fA resolution) – 210 V & 3 A (DC)/10.5 A (pulsed) ranges – 4-quadrant operation Very precise test and evaluation can be performed within a wide 4-quadrant voltage and current range. External ultra low noise filter (option) – 10 μVrms (10 Hz – 20 MHz) – 1 nVrms/√Hz at 10 kHz Reveal more of the true characteristics of your noise-sensitive devices and samples than ever before. Intuitive GUI implemented on 4.3” color LCD – 4.5 digit voltage/current monitor – Time domain waveform viewer Improved test and debug efficiency without the need for a PC. Precision 1 mHz –10 kHz arbitrary waveform generation capability – Voltage and current waveform generation up to 210 V/3 A – Support for six built-in waveforms and a user-defined arbitrary waveform Goes beyond simple DC measurement and allows you to perform complex and more sophisticated testing of your devices and samples. Versatile programmable output resistance function – Constant mode – Voltage/current emulation mode Enables you to simulate a wide variety of devices and sample types. A wide variety of Keysight B2961A/ B2962A applications To reduce power consumption battery-powered devices continue to reduce their supply voltage levels, which requires ever more precise power sources to accurately characterize device behavior. Noise performance requirements also continue to become more stringent in application areas such as mobile communications due to higher data rates and faster clock frequencies. These technology trends make the testing of advanced products increasingly difficult due to their extreme sensitivity to noise and other external disturbances. As a result, power supplies/sources with more precision, better noise performance and more versatile sourcing functions are now required. The Keysight B2961A/ B2962A meet these requirements, and they can be used for a wide variety of applications that permit you to perform critical tests and evaluations that have not been previously possible. In addition, the Keysight B2961A/B2962A’s superior performance and innovative functions make these instruments ideal companion power supplies/sources for use with other instruments such as network an - alyzers, spectrum analyzers, digital multimeters and nano-voltmeters. Application examples – A/D and D/A converters – High precision analog IC and circuitry – RFICs and circuitry – Medical applications – Cable/wire harnesses evaluation – Voltage controlled oscillators (VC os) – Sensor devices and transducers – Solar cells and the interface circuitry – Electrochemical applications – Research and education – Crystal oscillators – Current source for small voltage measurement – Battery management – Advanced materials evaluation

10.5 A) permits characterization of many types of

without worrying about any zero-crossing glitches. especially when making multiple tests in sequence. See Figure 3. Figure 1. Resolution comparison: ADC with 1 Vpp (Full Scale) Figure 3. Fast settling time than conventional DC sources Figure 2. Wide bipolar voltage and current ranges

07 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet GUI Based Intuitive Front Panel Design with Rich Standard Interfaces for Your Bench-Top Needs In addition to the graphical user interface and easy-to-use front panel, the Keysight B2961A/B2962A integrates standard interfaces such as USB 2.0, LAN (LXI class C compliant), digital I/ o and GPIB in a bench-top instrument form. The optional filters are well designed for the B2961A/B2962A and easy to attach and detach to/from front/rear channels. Channel 2 (B2962A only) Digital I/ o LANUSB 2.0GPIB USB 2.0 for memory I/ o Assist key, numeric /alpha keys and rotary knob Channel 1 4.3” color LCD High Current Ultra Low Noise Filter (option) Ultra Low Noise Filter (option) Low Noise Filter (option)

10 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet Multiple Communication Methods and Free Software Provide Flexible and Convenient Remote Control options BenchVue BenchVue allows you to control the B2961A/B2962A as voltage/ current sources from a PC without the need to do any program - ming. 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 B2961A/B2962A has a built-in web server that allows it to be controlled using a web browser. This allows you to enjoy the convenience of external PC control without the need for any special software. Simply connect your computer to the instrument via its LAN port, type in the IP address of the Keysight B2961A/B2962A unit and begin making interactive tests. Quick I/V Measurement Software Keysight supplies PC-based Quick I/V Measurement Software with the Keysight B2961A/B2962A at no charge. This software makes it easy to quickly setup and perform voltage or current sourcing and to display measurement data in tables and graphs without the need to program. Using Keysight Quick IV software you can control up to four instrument channels. Ready-to-use instrument drivers simplify Programming For users that want to create their own customized software, IVI-C and IVI-C oM drivers for the Keysight B2961A/B2962A are available. In addition, National Instruments LabView drivers are available at NI.CoM.

11 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet Key Specifications B2961A/B2962A B2961A/B2962A with High Current Ultra Low Noise Filter B2961A/B2962A with Ultra Low Noise Filter B2961A/B2962A with Low Noise Filter Number of channel 1 or 2 1 or 2 1 or 2 1 or 2 Output DC or arbitrary waveform output Maximum voltage ±210 V ±21 V ±42 V ±210 V Maximum current ±3.03 A ±500 mA ±105 mA ±3.03 A Pulsed Maximum voltage ±200 V ±21 V ±42 V ±200 V Maximum current ±10.5 A ±500 mA ±105 mA ±3.03 A4 Maximum power 31.8 W 10.5 W 4.4 W 31.8 W Output polarity Bipolar (4-quad - rant operation) Bipolar (4-quadrant operation) Bipolar (4-quadrant operation) Bipolar (4-quadrant operation) Source resolution Digit 6.5 digit 6.5 digit 6.5 digit 6.5 digit Minimum resolution 100 nV /10 fA 100 nV /10 ρA 100 nV /10 ρA 100 nV /10 ρA Output capability DC Yes Yes Yes Yes Pulsed Yes only voltage output only voltage output only voltage output Sweep DC/Pulse/List Yes only voltage output only voltage output only voltage output Arbitrary wave form Yes only voltage output only voltage output only voltage output Noise1 0.1 to 10 Hz ~ 5 µVpp ~ 5 µVpp ~ 5 µVpp ~ 5 µVpp 10 to 20M Hz 3 mVrms 10 µVrms (1 nVrms/√Hz @10kHz) 10 µVrms (1 nVrms/√Hz @10kHz) 350 µVrms Measurement capability 4.5 digit built-in voltage/current monitor 4.5 digit built-in voltage/current monitor 4.5 digit built-in voltage/current monitor 4.5 digit built-in voltage/current monitor Source/monitor ranges Voltage range 200 mV to 200 V 200 mV to 20 V 2 200 mV to 200 V 3 200 mV to 200 V Current range 10 nA to 10 A 1 mA to 1 A 10 µA to 100 mA 10 µA to 3 A Programmable output resistance Constant R Yes No No No V/I emulation Yes No No No View mode Single view Yes Yes Yes Yes Waveform preview Yes Yes Yes Yes Dual View Only 2ch model (B2962A) Only 2ch model (B2962A) Only 2ch model (B2962A) Only 2ch model (B2962A) Graph view (time-domain voltage/ current waveform viewer) Yes Yes Yes Yes Max capacitive load 0.01 µF (normal mode) 50 µF 50 µF 1 mF Interface GPIB, USB 2.0, LAN and digital I/O(LXI Core Conformant) 1. Supplemental Characteristics 2. Maximum voltage output is limited to 21V for 20V range. 3. Maximum voltage output is limited to 42V for 200V range. 4. 10 A pulse range is not supported.

12 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet Specification conditions 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 Calibration period: 1 year Measurement speed: 1 PLC (Power Line Cycle) Maximum voltage and current Maximum Voltage Maximum Current DC, Pulsed or Arbitrary Waveform Output 210 V 0.105 A 21 V 1.515 A 2 6 V 3.03 A 2 Pulsed only 1 200 V 1.515 A 6 V 10.5 A 1. See “Maximum pulse width and duty cycle” in Pulse Source Supple - mental 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 -200 Current [A] Voltage [V] Pulsed only1 -10.5 -6 6 200 1.515 10.5 -1.515 3.03 Voltage [V] 21-21 -6 -0.1 6 -1.515 0.1 1.515 -3.03 -210 210 DC or Pulsed1 Current [A] 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 Specifications Source Specifications DC Voltage source specifications Range Programming resolution Accuracy ±(% reading + offset) Noise (peak to peak)

0.1 Hz to 10 Hz

(over range) ±200 mV 100 nV 0.015 % + 225 μV ≤ 5 μV ±210 mV ±2 V 1 μV 0.02 % + 350 μV ≤ 15 μV ±2.1 V ±20 V 10 μV 0.015 % + 5 mV ≤ 150 μV ±21 V ±200 V 100 μV 0.015 % + 50 mV ≤ 1.5 mV ±210 V 1. Supplemental characteristics

13 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet Range Programming Resolution Accuracy (% reading + offset) Noise (peak to peak)

0.1 Hz to 10 Hz 1

(over range) ±10 nA 10 fA ±(0.10 % + 50 pA) ≤ 1 pA ±10.5 nA ±100 nA 100 fA ±(0.06 % + 100 pA) ≤ 2 pA ±105 nA ±1 μA 1 pA ±(0.025 % + 500 pA) ≤ 20 pA ±1.05 μA ±10 μA 10 pA ±(0.025 % + 1.5 nA) ≤ 60 pA ±10.5 μA ±100 μA 100 pA ±(0.02 % + 25 nA) ≤ 1 nA ±105 μA ±1 mA 1 nA ±(0.02 % + 200 nA) ≤ 6 nA ±1.05 mA ±10 mA 10 nA ±(0.02 % + 2.5 μA) ≤ 100 nA ±10.5 mA ±100 mA 100 nA ±(0.02 % + 20 μA) ≤ 600 nA ±105 mA ±1 A 1 μA ±(0.03 % + 1.5 mA) ≤ 20 μA ±1.05 A ±3 A 10 μA ±(0.4 % + 7 mA) ≤ 60 μA ±3.03 A ±10 A 2 10 μA ±(0.4 % + 25 mA) 3 ±10.5 A DC Current source specifications 1. Supplemental characteristics 2. 10 A range is available only for pulse mode, not available for DC mode. 3. Measurement speed: 0.01 PLC Source Supplemental Characteristics Pulsing capabilities Pulsed DC Maximum Voltage Maximum Peak Current Maximum Base Current Pulse Width Maximum Duty Cycle Maximum Voltage Maximum Current DC or pulsed 21 V 1.515 A 1 1.515 A 1 50 μs to 99999.9 s 99.9999 % 21 V 1.515 A 1 Pulsed only 200 V 1.515 A 50 mA 50 μs to 2.5 ms 2.5 % 180 V 1.05 A 50 mA 50 μs to 10 ms 2.5 % 6 V 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 Source Value Limit Value Load Source Settling (% of range) Minimum Pulse Width 200 V 1.5 A 200 Ω 0.1 % 1 ms 6 V 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 6 V 0.5 Ω 0.1 % 0.2 ms Maximum pulse width and duty cycle: Minimum pulse width at the given voltage, current and settling conditions: 90% Peak level Base level Pulse width 10% 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.

14 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet Sweep capabilities Sweep mode Linear, logarithmic(log) or list Sweep direction single or double Type DC, or pulse Number of steps 1 to 100,000 Min programmable value to create list sweep waveform Minimum 10 μs with 1 μs resolution Arbitrary Waveform Generation Capabilities Pre-defined waveforms: Supported waveforms Sine, Square, Ramp, Triangle, Trapezoid and Exponential Frequency 1 mHz to 10 kHz Programmable frequency/timing resolution: 1 μHz nominal (sine), 250 ns(waveforms other than sine) Frequency accuracy of time base ±50 ppm Linearity (best-fit) Voltage Source ±0.01%1, Current Source ±0.01% 2 THD Voltage Source -90 dB 3 , Current Source -90 dB 4 1. ±1 V, ±10 V, ±200 V, open load 2. ±10 mA 1 kΩ load, ±100 mA 100 Ω load 3. ±1 V, ±10 V, ±180 V, open load 4. ±1 uA 100 kΩ load, ±10 uA 100 kΩ load, ±10 mA 100 Ω load User-defined waveforms: Waveform length 1 to 100,000 points Sample rate 0.001 to 100,000 Sa/s, 250 ns resolution Storage Non-volatile memory and USB memory are both available. Non-volatile memory can store one waveform with a length of up to 2500 points. USB memory can store waveforms of up to 100k points. output characteristics Temperature coefficient(0 to 18 °C and 28 °C 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 Output location Channel 1 at front, and channel 2 at rear Output connectors Banana jack. Triaxial connections are recommended for sourcing less than 1 nA. A banana jack to triaxial adapter is available for low current source. Low terminal connection Chassis grounded or floating Sensing Modes 2-wire or 4-wire (Remote-sensing) connections Maximum load Normal mode: 0.01 μF High capacitance mode: 50 μF DC floating 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 Max sense lead resistance 1 kΩ for rated accuracy Sense input impedance > 10 GΩ Current limit/compliance Accuracy is same as current source. Min value is 1 % of range, or 1 nA in 10 nA range. Voltage limit/compliance Accuracy is same as voltage source. Min 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

15 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet Voltage source: Settling time: Time required to reach within 0.1 % of final value at open load condition. Step is 10 % to 90 % range Voltage range Settling time 200 mV < 50 μs

2 V < 50 μs

20 V < 110 μs

200 V < 700 μs

Slew rate/small signal bandwidth Voltage Range Load resistance Current range 200 mV 2 V 20 V 200 V 1 mA 44 mV/μs, 28 kHz 57 mV/μs, 18 kHz 57 mV/μs, 28 kHz 57 mV/μs, 28 kHz 10 MΩ 10 mA 44 mV/μs, 28 kHz 360 mV/μs, 20 kHz 360 mV/μs, 17 kHz 360 mV/μs, 28 kHz 10 MΩ 100 mA 28 mV/μs, 28 kHz 28 mV/μs, 20 kHz 28 mV/μs, 28 kHz 57 mV/μs, 28 kHz 10 MΩ

1 A 25 mV/μs, 28 kHz 25 mV/μs, 28 kHz 25 mV/μs, 28 kHz 10 MΩ

1.5 A 36 mV/μs, 28 kHz 36 mV/μs, 18 kHz 36 mV/μs, 28 kHz 10 MΩ

3 A 27 mV/μs, 28 kHz 27 mV/μs, 28 kHz 27 mV/μs, 28 kHz 10 MΩ

Note: Slew rate and small signal bandwidth can be down to -20% in maximum. Current source: Settling time: Time required to reach within 0.1 % of final value at open load condition. Step is 10 % to 90 % range Current range Settling time 10 nA, 100 nA < 10 ms 1 μA < 500 μs 10 μA, 100 μA < 250 μs 1 mA, 10 mA, 100 mA < 80 μs 1 A, 1.5 A, 3 A < 80 μs Noise 10 Hz to 20 MHz < 3 mVrms, 20 V range, without external filter V source overshoot < ±(0.1 % + 10 mV). Step is 10 % to 90 % range, resistive load Voltage source range change overshoot ≤ 250 mV. 100 kΩ load, 20 MHz bandwidth Line regulation/load regulation Included in voltage source specifications. Load transient recovery time Time to recover to within the settling band following a load change. 100 mA current change1 800 mA current change 2 Settling band ±20 mV ±20 mV Time 10 μs 30 μs 1. At a load change to change the flowing current from +50 mA to +150 mA, 10 V voltage force, 20 V range, 1 A limit. 2. At a load change to change the flowing current from +100 mA to +900 mA, 10 V voltage force, 20 V range, 1.5 A limit. Slew rate/small signal bandwidth Voltage Range Load resistance Current range 200 mV 2 V 20 V 200 V 1 mA 94 μA/μs, 21 kHz 160 μA/μs, 21 kHz 160 μA/μs, 21 kHz 150 μA/μs, 21 kHz 100 Ω 10 mA 94 μA/μs, 21 kHz 670 μA/μs, 21 kHz 900 μA/μs, 21 kHz 900 μA/μs, 21 kHz 100 Ω 100 mA 8 mA/μs, 10 kHz 8 mA/μs, 10 kHz 8 mA/μs, 10 kHz 12 mA/μs, 21 kHz 1 Ω 1 A 78 mA/μs, 12 kHz 94 mA/μs, 12 kHz 92 mA/μs, 12 kHz 0.1 Ω 1.5 A 125 mA/μs, 12 kHz 135 mA/μs, 12 kHz 140 mA/μs, 12 kHz 0.1 Ω 3 A 250 mA/μs, 13 kHz 270 mA/μs, 13 kHz 260 mA/μs, 13 kHz 0.041 Ω Note: Slew rate and small signal bandwidth can be down to -20% in maximum.

16 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet I source overshoot < ±0.1 % (< ±0.3 % for 3 A range). Step is 10 % to 90 % range, resistive load Current source range change overshoot ≤ 250 mV/R load, 20 MHz bandwidth Line regulation/load regulation Included in current source specifications. High capacitance mode The high capacitance mode supports sources and measurements when the load capacitance is greater than 0.01 μF. In high capacitance mode the maximum allowed load capacitance value is 50 μF. Voltage output settling time: 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 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

Current measurement settling time Time required to reach 0.1 % of final value after the voltage source stabilized in a fixed range. Vout is 5 V unless noted. 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 Mode change delay Delay into high cap mode 1 μA range 230 ms 10 μA, 100 μA ranges 23 ms 1 mA to 3 A ranges 1 ms Delay out of high cap mode 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 Programmable output resistance* In its default state the Keysight B2961A/B2962A behaves like either an ideal voltage source with a negligibly small source resistance or an ideal current source with a huge source resistance. The programmable output resistance feature allows you to specify either a particular output resistance or a specific voltage versus current source characteristic. This feature is ideal for emulating a wide variety of devices (such as batteries, photovoltaic cells, sensors, transducers, etc.) that are otherwise difficult to simulate. Mode Constant or V/I Emulation Programmable resistance range: Series resistance (Rs) at voltage source - (Load Resistance/2) ≤ Rs ≤ Load Resistance, for resistive load Rs ≤ 25 Ω at 3 A range, ≤ 100 Ω at 1 A and 1.5 A ranges, ≤ 1 kΩ at 100 mA range, or ≤ 10 kΩ at other ranges, Rs can be limited by capacitive load. Shunt resistance (Rsh) at current source Load Resistance ≤ Rsh ≤ 2 GΩ, for resistive load Rsh ≥ 10 MΩ at 10 nA and 100 nA ranges, ≥ 1 M Ω at other ranges, Rsh can be limited by capacitive load. Emulation mode Emulation mode allows you to program a non-linear resistance. You specify the desired voltage/current characteristic using a tabular format Max number of points: 16 (piecewise linear interpolation between points) * Programmable output resistance is only available for DC output.

17 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet External low noise filter supplemental characteristics The Keysight B2961A/B2962A supports dedicated external low-noise filters; they are available as an option or as an accessory. They connect to the banana jack outputs of each Keysight B2961A/B2962A channel. High Current Ultra Low Noise Filter (N1294A-020) Maximum output range 21 V / 500 mA (DC) Output connector BNC Output/residual resistance 10 Ω nominal (2-wire), 0.3 Ω nominal (4-wire. 4-wire connected inside of filter) Small signal bandwidth 23 Hz nominal (2-wire), 8 Hz nominal (4-wire) Noise Voltage source 0.1 to 10 Hz Same as voltage specification 10 to 20 MHz 10 μVrms, 1nVrms√Hz at 10 kHz (20 V / 100 mA range, 50 Ω load) Current source 0.1 to 10 Hz: Same as current specification 10 to 1 MHz 8 μArms (20 V / 1 A range, 2 Ω load) Settling time Voltage source1 80 ms (2-wire), 140 ms (4-wire) Current source 2 11 ms (2-wire), 150 ms (4-wire) 1. Time required to reach within 0.1 % of final value at open load condition. Step is 10 % to 90 % range. At 20 V range, 500 mA limit/1 A range 2. Time required to reach within 0.1 % of final value at short condition. Step is 10 % to 90 % range. At 500 mA (1 A) range, 20 V limit / 20V range Load transient recovery time: Time to recover to within the settling band following a load change. 250 mA current change Settling band ± 20 mV Time 50 ms (2-wire), 85 ms (4-wire) 1. At a load change to change the flowing current from +10 mA to +260 mA, 10 V voltage force, 20 V range, 500 mA limit. Supported ranges Voltage 200 mV to 200 V ranges (21 V maximum) Current 1 mA to 1 A ranges (500 mA maximum) Maximum capacitive load 50 μF (for 4-wire) Dimensions 41 mm H x 58.2 mm W x 141.5 mm D (When the filter is inserted to the output connector of B2961A/ B2962A, the depth is 126.5 mm.) Weight 0.3 kg Note: – The 10 A pulse range and programmable output resistance capability are not supported by external filters. – For the current output, only DC is supported when using with external filters. – The current measurement data monitored by the built-in voltage/current monitor can be influenced by the charge and discharge current of the capacitance inside of the filters.

18 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet Ultra Low Noise Filter (N1294A-021) Max output range 42 V / 105 mA (DC) Output connector BNC Output / residual resistance 50 Ω nominal (2-wire), 0.3 Ω nominal (4-wire. 4-wire connected inside of filter) Small signal bandwidth 23 Hz nominal (2-wire), 8 Hz nominal (4-wire) Noise Voltage source 0.1 to 10 Hz Same as voltage specification 10 to 20 MHz 10 μVrms, 1 nVrms√Hz at 10 kHz (20 V / 100 mA range, 50 Ω load) Current source 0.1 to 10 Hz Same as current specification 10 to 1 MHz 300 nArms (20 V / 100 mA range, 10 Ω load) Settling time Voltage source1 80 ms (2-wire), 140 ms (4-wire) Current source 2 11 ms (2-wire), 150 ms (4-wire) 1. Time required to reach within 0.1 % of final value at open load condition. Step is 10 % to 90 % range. At 20 V range, 100 mA limit/100 mA range 2. Time required to reach within 0.1 % of final value at short condition. Step is 10 % to 90 % range. At 100 mA range, 20 V limit / 20V range Load transient recovery time: Time to recover to within the settling band following a load change. 50 mA current change Settling band ± 20 mV Time 50 ms (2-wire), 85 ms (4-wire) 1. At a load change to change the flowing current from +10 mA to +60 mA, 10 V voltage force, 20 V range, 100 mA limit Supported ranges Voltage 200 mV to 200 V ranges (42 V max) Current 10 μA to 100 mA ranges (105 mA max) Maximum capacitive load 50 μF (for 4-wire) Dimensions 41 mm H x 58.2 mm W x 141.5 mm D (When the filter is inserted to the output connector of B2961A/ B2962A, the depth is 126.5 mm.) Weight 0.3 kg Note: – The 10 A pulse range and programmable output resistance capability are not supported by external filters. – For the current output, only DC is supported when using with external filters. – The current measurement data monitored by the built-in voltage/current monitor can be influenced by the charge and discharge current of the capacitance inside of the filters. 1.E-10 1.E-09 1.E-08 1.E-07 1.E-06 1.E-05 1.E-04 Noise Density [Vrms/√Hz] Frequency [Hz] 20V range 2V range

19 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet Low Noise Filter (N1294A-022) Maximum output range 210 V / 3 A (DC) Output connector Banana, 2-wire/4-wire Output / residual resistance 0.3 Ω nominal (2-wire) Small signal bandwidth 2 kHz nominal (1 A and 3 A ranges), 800 Hz nominal (100 mA range) Noise Voltage source 0.1 to 10 Hz Same as voltage specification 10 to 20 MHz 350 μVrms (20 V / 1.5 A range, 50 Ω load) Current source 0.1 to 10 Hz: Same as current specification 10 to 1 MHz 450 μArms (20 V / 1.5 A range, 0.67 Ω load) Settling time Voltage source1 640 μs (2-wire/4-wire) Current source 2 1.2 ms (2-wire/4-wire) Load transient recovery time: Time to recover to within the settling band following a load change. 800 mA current change 1 Settling band ± 20 mV Time 450 µs (2-wire), 650 µs (4-wire) 1. At a load change to change the flowing current from +100 mA to +900 mA, 10 V voltage force, 20 V range, 1.5 A limit Supported ranges Voltage 200 mV to 200 V ranges (210 V max) Current 10 μA to 3 A ranges (3 A max) Maximum capacitive load 1 mF Dimensions 41.5 mm H x 58.2 mm W x 127.5 mm D (When the filter is inserted to the output connector of B2961A/ B2962A, the depth is 112.5 mm.) Weight 0.25 kg Note: – The 10 A pulse range and programmable output resistance capability are not supported by external filters. – For the current output, only DC is supported when using with external filters. – The current measurement data monitored by the built-in voltage/current monitor can be influenced by the charge and discharge current of the capacitance inside of the filters. 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 B2900A series of Source Measure Units (SMUs) have 6.5-digit resolution, enabling 100 nV/10 fA sourcing and measurement. 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 . B2980A Picoammeter and e lectrometer/High R meter B2900A Source Measure Unit

20 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet Built-in voltage/current monitor specifications Voltage measurement specifications Range Measurement Resolution Accuracy (% reading + offset) ±200 mV 10 µV ±(0.015 % + 225 μV) ±2 V 100 μV ±(0.02 % + 350 μV) ±20 V 1 mV ±(0.015 % + 5 mV) ±200 V 10 mV ±(0.015 % + 50 mV) Current measurement specifications Range Measurement Resolution Accuracy (% reading + offset) ±10 nA 1 pA ±(0.10 % + 50 pA) ±100 nA 10 pA ±(0.06 % + 100 pA) ±1 μA 100 pA ±(0.025 % + 500 pA) ±100 μA 10 nA ±(0.02 % + 25 nA) ±1 mA 100 nA ±(0.02 % + 200 nA) ±100 mA 10 µA ±(0.02 % + 20 μA) ±10 A 1 1 mA ±(0.4 % + 25 mA) 2 1. 10 A range is available only for pulse mode, not available for DC mode. 2. Measurement speed: 0.01 PLC Built-in voltage/current monitor supplemental characteristics Temperature coefficient(0 to 18 °C and 28 °C 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

21 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet Timer and triggering specification Timer 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 10 μs to 100,000 s Arm/trigger event 1 to 100,000 Triggering1 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 Min 100 μs, Typical 200 μs, Max Unknown LXI Trigger in to measurement Min 100 μs, Typical 200 μs, Max Unknown Internal event to external LXI trigger output Min 100 µs, Typical 200 µs, Max unknown LXI event send/receive latency Unknown Min trigger interval 10 μs 1. Supplemental characteristics 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 max Cooling Forced air. Side intake and rear exhaust. 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 Dimensions Case 88 mm H x 213 mm W x 450 mm D Working 180 mm H x 260 mm W x 480 mm D (with handle & feet) Weight Net 5.0 kg (B2961A), 6.4 kg (B2962A) Shipping 9.0 kg (B2961A, B2962A) 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 and Graph 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 Data Buffers Max buffer size: 100,000 points / channel

22 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet 260.5 mm 212.8 mm 450 mm 87.7 mm 480 mm 104 mm Input/Output Connectivity GPIB 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 Logic low max input voltage 0.8 V Logic high min 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 Max number of simultaneously triggered units (using Digital I/O) 1: 1. Supplemental characteristic Program, Software and Drivers Programming SCPI Program memory 100 kB (2500 lines typical) LXI compliance LXI Core Conformant Software available Quick I/V Measurement Software, Graphical Web Interface, BenchVue Drivers available IVI-C, IVI-COM drivers, LabVIEW drivers

23 | Keysight | B2961A/B2962A 6.5 Digit Low Noise Power Source - Data Sheet Software Prerequisites Quick IV 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, GPIB, LAN BenchVue 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-2321 1. RS-232 Interface is not available on B2900 family. Furnished Accessories Power cable, USB cable, Quick Reference ( english), CD-RoMs (including PDF manuals, Quick I/V Measurement Softwareand drivers), Keysight I/o Library suite

ordering Information

B2961A 6.5 Digit Low Noise Power Source, 32 W, 210 V, 3 A, 1ch B2962A 6.5 Digit Low Noise Power Source, 32 W, 210 V, 3 A, 2ch Options N1294A-020 High curretnt ultra low noise filter, 21 V/500 mA, 10 Ω (Opt.LN0) N1294A-021 Ultra low noise filter, 42 V/105 mA, 50 Ω(Opt.LN1) N1294A-022 Low noise filter, 210 V/3 A(Opt.LN2) ABA Printed manual English (User’s Guide) ABJ Printed manual Japanese (User’s Guide) A6J ANSI Z540 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 1.5m, Interlock cable for 16442A/B test fixture (GPIO Dsub25 to 6pin mini plug) N1294A-012 3m, Interlock cable for 16442A/B test fixture (GPIO Dsub25 to 6pin mini plug) N1294A-020 High current ultra low noise filter, 21 V/500 mA, 10 Ω N1294A-021 Ultra low noise filter, 42V/105mA, 50 Ω N1294A-022 Low noise filter, 210V/3A N1294A-031 GPIO-BNC trigger adapter 16494A-001 Low leakage triax cable (1.5 m) 16494A-002 Low leakage triax cable (3.0 m) 16494A-003 Low leakage triax cable (80 cm) 16494A-004 Low leakage triax cable (40 cm) 16494A-005 Low leakage triax cable (4.0 m)

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