Revision 1.3 Joulescope JS220 User’s Guide Page 4 / 51
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3. Key features
• ±15V voltage range
• ±3A current range, continuous
• ±10A current pulses (<10 ms, < 3A average per second)
• Down to 0.5 nA resolution, equivalent to 34-bits of dynamic range
• Synchronously measures voltage and current at 2 million samples per second, 16-bit
• 300 kHz bandwidth
• Rapid 1 μs switching between shunt resistors
• Enwavify™ technology for consistent, accurate measurements through current range changes
• Computes power, energy, and charge
• Operates with minimal voltage disturbance between Current + and Current – ports
• Up to ±48V common-mode voltage between USB ground and sensing ports
• 4 general-purpose inputs and 2 general-purpose outputs
• 1 BNC trigger configurable for either input or output
• Programmable on/off for power cycling the target device and measuring inrush currents
• USB 2.0 high-speed host connectivity with modern USB C connector
• Host software support for Microsoft® Windows®, Apple® macOS®, and Linux®
• Host software user interface provides real-time graphs of current, voltage, and power over time
• Python library and scripting provided
• Host software is open source and available on GitHub
• Swappable front panel with open-source designs on GitHub
• Firmware upgradable
See Section 7 for the full specifications.
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