Current Sources
See Also: Programmable Current Sources, Battery, Voltage Current Sources
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Product
Source Measure Units and LCR Meters
Source Measure Unit
Source Measure Units are high-precision, high-accuracy DC instruments that can both source and simultaneously measure voltage and current. Additionally, LCR Meters can measure the inductance, capacitance, and resistance (LCR) of electronic equipment.
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Product
Brute High Current Probe
P4301-1Z
High Current Probe
Current Rating (Amps): 50Current Rating Remark: 40 Amps for BeCu plungersAverage Probe Resistance (mOhm): 5Test Center (mil): 300Test Center (mm): 7.62Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cyles): 1,000,000Overall Length (mil): 1,750Overall Length (mm): 44.45
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Product
4-Quadrant General-Purpose Source/Measure Unit, ±20 V, ±1 A Or ±6 V, ±3 A, 20 W
N6784A
Source Measure Unit
The Keysight N6784A is a source/measure unit (SMU) designed for general-purpose precision sourcing and measurement. General-purpose applications can span many different industries and many different devices under test (DUTs). The N6784A SMU is a versatile tool designed to tackle many of these general-purpose applications. Its glitch-free operation ensures safe usage with the DUT during output and measurement range changes, even with capacitances of up to 150 µF. Its 4-quadrant operation enables it to act as a bipolar power supply or a bipolar electronic load, for added versatility. When using the N6784A SMU, engineers can be confident that they have an all-around general-purpose tool for their test systems or lab bench.
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Product
PXIe-4143, 4-Channel, ±24 V, 150 mA Precision PXI Source Measure Unit
782431-01
Source Measure Unit
PXIe, 4-Channel, ±24 V, 150 mA Precision PXI Source Measure Unit - The PXIe-4143 is a 4-channel source measure unit (SMU) ideal for high-pin-count applications. It features 4-quadrant operation and each channel has integrated remote (4-wire) sensing for accurate measurements. The fast sample rate of the PXIe-4143 can reduce measurement times, capture transient device characteristics, and allow quick I V characterization of devices under test (DUTs). With a high-speed sequencing engine, you can synchronize all these SMUs with each other or with other instruments such as switches or high-speed digital test modules. Additionally, you can tune the PXIe-4143 response to any load to achieve optimum responses with maximum stability and minimum transients using SourceAdapt technology.
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Product
8-Channel 4-Quadrant Source Measurement Unit (SMU)
PXIe-9908
Source Measure Unit
The PXIe-9908 is a high-density SMU module designed for automated testing and mini/micro LED wafer probing applications. It supports precision sourcing and measurement up to ±100V and 100mA, with scalable configurations. With compatibility across major operating systems and programming languages, it delivers fast, accurate, and reliable testing performance tailored for automated test systems and next-generation display technologies.
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Product
USB Modular Source Measure Unit
U2722A
Source Measure Unit
The U2722A USB Modular Source Measure Unit is a 3-channel 20V/120mA that can operate in a 4-quadrant operation. The channels could be connected in series or in parallel to achieve up to 60 V/360 mA. It uses the common non-proprietary standard high-speed USB 2.0 interface that provides ease of connectivity allowing users to set up and configure their tests swiftly with its plug and play feature.
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Product
Brute Hight Current Probes
P4301
High Current Probe
Current Rating (Amps): 50Current Rating Remark: 40 Amps for BeCu plungersAverage Probe Resistance (mOhm): 5Test Center (mil): 300Test Center (mm): 7.62Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cyles): 1,000,000Overall Length (mil): 1,750Overall Length (mm): 44.45
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Product
NI-9203, 200 kS/s, ±20 mA, 8-Channel C Series Current Input Module
779516-01
Current Input Module
200 kS/s, ±20 mA, 8-Channel C Series Current Input Module - The NI‑9203 is intended for high-performance control and monitoring applications. It features programmable input ranges and variable connectivity options. To protect against signal transients, the NI‑9203 includes a channel‑to‑earth ground double‑isolation barrier (250 Vrms isolation) for safety and noise immunity.
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Product
AC / DC Current Probe, 100 KHz, 100 A
1146B
High Current Probe
The Keysight 1146B AC / DC probe provides accurate display and measurement of currents up to 100 A DC or peak AC / DC to 100 kHz without breaking the circuit. The 1146B AC / DC probe has hall-effect sensor technology to measure AC and DC signals. It is compatible with any Keysight oscilloscope with 0.2 to 0.5 V / div sensitivity and 1 MΩ BNC input.
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Product
Brute High Current Probe
P4301-2R
High Current Probe
Current Rating (Amps): 50Current Rating Remark: 40 Amps for BeCu plungersAverage Probe Resistance (mOhm): 5Test Center (mil): 300Test Center (mm): 7.62Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 167Recommended Travel (mm): 4.24Mechanical Life (no of cyles): 1,000,000Overall Length (mil): 1,750Overall Length (mm): 44.45
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Product
PXIe Source/Measure Unit, 15 MSa/s, 1 PA, 60 V, 3.5 A DC/10.5 A Pulse
M9602A
Source Measure Unit
The Keysight M9602A is a PXIe SMU featuring best-in-their-class narrow pulse width as narrow as 10 μs. It enables dynamic/pulsed measurements with up to 15 MSa/s for broad emerging applications such as VCSEL optical devices.
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Product
CP400X, 400 MHz, ±60 V, 10X Attenuation, Single-Ended Passive Oscilloscope Probe
784254-01
High Current Probe
The CP400X is a coaxial passive probe with fixed 10X attenuation for oscilloscopes that provide 1 MΩ input impedance. It is 2 meters in length. The CP400X attaches to BNC connections on both the signal input and instrument sides.
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Product
Tunable Laser Source - PXI
Laser 1000 Series
Laser Source
The Laser 1000 Series PXIe module is a Continuous Wave (CW), tunable laser source offering high-power output, narrow 100kHz linewidth and 0.01pm resolution tunability.With seamless PXI integration, it can be easily integrated into new or existing PXI test setups. Save space, lower your costs and improve testing efficiency while delivering reliable and repeatable results in production or research environments.
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Product
USB Smart Noise Source, 500 MHz To 50 GHz, 5 DB ENR Nominal
U1832C
Noise Source
The USB-powered (USB TMC compliant) U1832C provides broadband noise figure measurements from 500 MHz – 50 GHz with modular signal analyzer, benchtop X-Series signal analyzers and Fieldfox
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Product
PXIe 5-channel Source/Measure Unit, 500 kSa/s, 100 pA, 30 V, 500 mA
M9614A
Source Measure Unit
The Keysight M9614A is a PXIe five-channel source / measure unit (SMU). It supports accurate measurement up to 30 V / 500 mA with resolution down to 6 μV / 100 pA.
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Product
Source/Measure Unit for Functional Test, Multiple Ranges, 80 W, Double-wide
N6786A
Source Measure Unit
Only Keysight`s N6780 Series SMUs let you visualize current drain from nA to A in one pass and one picture unlocking insights to deliver exceptional battery life.
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Product
NI-9203, 200 kS/s, ±20 mA, 8-Channel C Series Current Input Module
783731-01
Current Input Module
200 kS/s, ±20 mA, 8-Channel C Series Current Input Module - The NI‑9203 is intended for high-performance control and monitoring applications. It features programmable input ranges and variable connectivity options. To protect against signal transients, the NI‑9203 … includes a channel‑to‑earth ground double‑isolation barrier (250 Vrms isolation) for safety and noise immunity.
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Product
Rogowski AC Current Probe, 23 MHz, 3000 A
N7040A
High Current Probe
The Keysight N7040A Rogowski coil current probe is designed for measuring AC currents up to 3,000 A with the bandwidth ranging from 3 Hz to 23 MHz. The probe is easy to use because it has a thin, lightweight, flexible and simple-to-use clip-around Rogowski coil that enables current measurement in the most difficult to reach parts and confined spaces of a circuit under test. It can also measure large AC current without increase in transducer size.
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Product
Source Measurement Unit
PEMU4
Source Measure Unit
The PEMU4 represents a new level of performance and capabilities for USB-based SMU (Source MeasurementUnit) instrumentation. The PEMU4 supports -1V to +6.5V 0.5A with FVMI, FVMV, FIMV, FIMI modes. 4 channel can be ganged to support high current driving. I2C/SPI/RFFE function for serial port device testing. 4 Counter for frequency measurement.
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Product
NI-9265, 4-Channel C Series Current Output Module
779334-02
Current Output Module
4-Channel C Series Current Output Module - The NI‑9265 is ideal for interfacing and controlling industrial current-driven actuators at high rates. The module has built-in open-loop detection, which generates an interrupt in software when an open loop is detected as well as zeroing outputs to ensure safety and avoid driving actuators at system power on. The NI‑9265 requires an external power supply and includes a channel‑to‑earth ground double isolation barrier for safety and noise immunity.
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Product
Noise Source, 10 MHz to 18 GHz, nominal ENR 15 dB
346B
Noise Source
The Keysight 346B noise source is the ideal companion to Keysight's noise figure solutions. Since it is broadband (10 MHz to 18 GHz), it eliminates the necessity for several sources at different frequency bands. The low SWR of the noise source reduces a major source of measurement uncertainty; reflections of test signals. The 346B's high ENR, low SWR, and variety of connectors make it a general-purpose noise source. Add special option H01 for high ENR (21 dB typical) to measure high noise figure devices, or option H42 for measuring Direct Broadcast Satellite (DBS) low noise block converters.
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Product
PXIe High-Speed Source/Measure Unit, 13 V, ± 1 A or 6 V, ± 3 A, 18 W
M9111A
Source Measure Unit
The M9111A is a 1-slot, 2-quadrant PXIe module that provides stable, glitch-free sourcing and sinking, and high accuracy measurements. It offers high-throughput and measurement quality for design validation and production test of RF power amplifiers. With industry-leading output stability under extreme, dynamic load conditions and unmatched transient performance to dramatically reduce voltage droop due to pulse loading, the M9111A SMU speeds test time. The high-speed M9111A can change its output voltage, stabilize that voltage, and accurately measure current from Amps down to micro-Amps all in less than 1 ms so that you can move on to the next test as quickly as possible.
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Product
NI-9247, 50 kS/s/ch, 50 Arms, 147 Apk, 24-Bit, 3-Channel C Series Current Input Module
783589-01
Current Input Module
50 kS/s/ch, 50 Arms, 147 Apk, 24-Bit, 3-Channel C Series Current Input Module - The NI‑9247 is designed to support direct ring lug connectivity to the three-phase high-current measurements of 1 A and 5 A current transformers (CTs). It is optimized for power, energy, and industrial applications. The safety features, certifications, input ranges, overvoltage ranges, and connectivity are well suited for applications such as power quality monitoring and metering, utility pole-mounted smart switches, utility pole-mounted smart grid reclosers, substation merging units, industrial machine measurements, health monitoring, predictive maintenance and prognostics, and phasor measurement units (PMUs).
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Product
2 Channel IV Analyzer / Source Monitor Unit
E5263A
Source Measure Unit
Keysight E5262A and E5263A 2ch IV Analyzers are the low cost solution for current-voltage characterization. The E5262A and E5263A support two channels of SMUs (Source/Monitor Units) for voltage/current sourcing and voltage/current measurement with the best in the class current measurement performance as low as 5 pA. The Easy EXPERT group+ GUI based characterization software is furnished and available on your PC to support all the tasks required in the characterization from the measurement setup to the data analysis. Powerful integration of SMU's versatile measurement capabilities and GUI based characterization software makes the E5262A and E5263A the best solutions for characterization and evaluation of two or three terminal devices such as materials and active/passive components with uncompromised measurement reliability and efficiency.
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Product
Fixed Wavelength CW Laser Source (FP) - MATRIQ
Laser Source
The Laser-1102 is a Continuous Wave (CW) laser source offering high power 850 nm output into multimode fiber with stable output power operation.
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Product
4- Channel PXI Source Measure Unit (SMU)
GX3104
Source Measure Unit
The GX3104 is a precision 3U PXI module that forces and senses both voltage and current over a range of ±20 V and up to ± 1 A ( channel 1) with channels 2- 4 capable of supplying up to 500 mA. Total available output current from the module is 1A. The four channels are electrically isolated from the PXI power supply and share a common, isolated ground.
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Product
sbRIO-9253, Non-Enclosed, 50 kS/s/ch, 24-Bit, 8-Channel C Series Current Input Module
787433-01
Current Input Module
Non-Enclosed, 50 kS/s/ch, 24-Bit, 8-Channel C Series Current Input Module - The sbRIO-9253 is an 8-channel analog input module for CompactRIO Single-Board Controller that provides a ±20 mA input range and 24 bits of resolution at a 50 kS/s sample rate. This module includes diagnostic functionalities to ensure nominal system operations with open-channel detection, power supply detection, and configurable thresholds. You can view the status of each channel and the power supply with eight LEDs. The sbRIO-9253 also features programmable hardware filters for your applications, such as specific Butterworth and comb filters that you can use to reduce the noise in your system.
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Product
6.5-Digit Low Noise Power Source, 32 W, 210 V, 3 A, 2-Channel
B2962B
Low Noise Power Source
The Keysight B2961B Series 6.5-digit low noise source power supplies provide a power supply and source solution that meets the difficult measurement challenges researchers, designers, and developers face working on advanced components, circuits, and materials.
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Product
Compact Tunable Laser Source with Continuous Sweep Mode, 1520nm to 1630nm
81940A
Laser Source
Keysight's 81940A high power compact tunable lasers enables optical device characterization at high power levels and measurement of nonlinear effects. It's improves the testing of all types of optical amplifiers and other active components as well as broadband passive optical components. As single slot plug-in modules for Keysight's 8163A/B, 8164A/B and 8166A/B mainframes, they are a flexible and cost effective stimulus for single channel and DWDM test applications. Each module covers a total wavelength range of 110 nm in the C+L-band.
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Product
Source Measure Units
NGU
Source Measure Unit
Thanks to their extremely high accuracy and fast load recovery time, the R&S®NGU source measure units (SMU) are perfect for challenging applications. A special ammeter design is used to precisely measure current drains from nA to A in one pass – no need to make multiple measurement sweeps. The instruments’ short recovery times enable them to handle fast load changes that occur, for example, when mobile communications devices switch from sleep mode to transmit mode. With high speed data acquisition, every detail is detected down to 2 μs resolution.





























