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Current Sources
Our precision current sources include both broad-purpose and high-performance options for a variety of applications. They are in test environments including R&D and production in the semiconductor, nanotechnology, and superconductor industries. Their high sourcing accuracy and built-in control functions make them ideal for Hall Effect measurements, resistance measurements using delta mode, pulsed measurements, and differential conductance measurements. Programmable pulse widths limit power dissipation in delicate components and support pulsed I-V measurements.
Model 6220 DC Precision Current Source
  • Current range of 100fA to 100mA or 10pA to 1A
  • Low current noise
  • Stable current with up to 10^14 ohm output impedance
  • RS-232, GPIB, Trigger Link, digital I/O interfaces
  • Automated testing capability
Model 6221 AC and DC Current Source
  • Current range of 4pA to 210mA or 70µA to 5A
  • Pulse mode
  • Industry’s only low AC current source (6221)
  • Difference conductance measurements (6221)
  • Prevents electrostatic discharge (2520)
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CALL NUMBER
1-800-935-5595 (US Only)