The Keysight B2901BL is a single-channel precision Source/Measure Unit (SMU) that sources and measures voltage and current with exceptional resolution. This benchtop instrument delivers 1 pA current measurement resolution and 100 nV voltage measurement resolution, making it ideal for characterizing semiconductors, passive components, and low-power devices. The 4-quadrant source architecture enables bidirectional current and voltage sourcing across a 21 V / 1.5 A range, while integrated arbitrary waveform generation and digitizing capabilities support complex stimulus-response testing.
– Technical Specifications
• Channels: 1
• Output Voltage Range: Up to 21 V
• Output Current Range: Up to 1.5 A DC
• Measurement Resolution: 1 pA / 100 nV (6½ digits)
• Source Resolution: 10 pA / 1 µV (5½ digits)
• Source Type: 4-quadrant
• Sampling Rate: 5,000 Sa/s (200 µs minimum interval)
• Waveform Generation: Arbitrary waveforms up to 10,000 levels; 20 µs to 200 µs interval
• Sweep Modes: Linear, logarithmic, and list
• Buffer Memory: 10,000 measured values
• Power Supply: 90–264 V AC, 47–63 Hz
• Display: 4.3-inch color, graphical and numerical modes
• Dimensions: 260 mm W × 180 mm H × 480 mm D
• Weight: 6 kg
– Key Features
• Integrated source and measurement eliminates need for separate instruments
• 4-quadrant sourcing for voltage and current in all quadrants
• Current meter, voltage meter, current source, and voltage source functions in single instrument
• Graphical user interface for intuitive I-V characterization
• High throughput for efficient device testing
– Typical Applications
• Current-voltage (I-V) characterization
• Semiconductor device testing
• Component evaluation in research and manufacturing
• Precision sourcing and measurement tasks
– Compatibility & Integration
• Remote Control: SCPI command support
• Interfaces: GPIB, LAN, 2× USB 2.0 (host/device), digital I/O
• Software: BenchVue, Quick I/V Software, EasyEXPERT group+, graphical web interface
• PC Control: Remote operation via included application software without programming






















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