Keithley Ultra-sensitive Current Sources Series 6200
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 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.

Keithley Ultra-sensitive Current Sources Series 6200
Overview
Model
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Features
- 1014Ω output impedance
- 65000-point source memory
- Output voltage compliance from 0.1V to 105V in 10mV steps
- Source AC currents from 4pA to 210mA peak to peak (6221)
- 10MHz output update rate (6221)
- Built-in standard and arbitrary waveform generators with 1mHz to 100kHz frequency range (6221)
- Programmable pulse widths as short as 5ÎĽs (6221)
- Reconfigurable triax output