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6220

DC Precision Current Source

 
The Model 6220 DC Current Source and Model 6221 AC and DC Current Source combine ease of use with exceptionally low current noise. Low current sourcing is critical to applications in test environments ranging from R&D to production, especially in the semiconductor, nanotechnology, and superconductor industries. High DC power supply sourcing accuracy and built-in control functions make the Models 6220 and 6221 ideal for applications like Hall measurements, resistance measurements using delta mode, pulsed measurements, and differential conductance measurements.
 
 
 
Feature
  • Source and sink (programmable load) 100fA to 100mA
  • 1014Ω output impedance ensures stable current sourcing into variable loads
  • 65000-point source memory allows executing comprehensive test current sweeps directly from the current source
  • Built-in RS-232, GPIB, Trigger Link, and digital I/O interfaces
  • Reconfigurable triax output simplifies matching the application's guarding requirements
  • Model 220 emulation mode eliminates need to reprogram existing applications
Quick Selector Guide
 
 Model  Information
 6220  DC Precision Current Source
 6221  AC and DC Current Source