1-2 Getting Started Model 6220/6221 Reference Manual
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Introduction
Capabilities and features
• Source ±DC current from 0.1pA to 105mA.
• Voltage compliance limit from 0.1V to 105V in 10mV steps.
• 11W, four-quadrant sink or source operation (duty cycle limitation for high
power sink).
• Analog filter to slow down output response.
• Triax cable guarding to optimize output response speed and reduce leak-
age currents in high impedance test circuits
• Banana jack guard output for voltage measurements.
• Sweep functions: linear staircase, logarithmic staircase, and custom.
• Waveform functions (6221 only): sine, square, ramp and arbitrary function
generator.
• Five user-saved setups.
• Delta testing when used with the Keithley Model 2182 or 2182A:
• Delta – Uses a square wave output and a 3-point measurement
algorithm to cancel the effects of thermal EMFs.
• Pulse Delta (6221 and 2182A only) – Provides a pulse output and a
3-point (or 2-point) measurement algorithm for testing of temperature
sensitive DUT.
• Differential Conductance – Uses a differential current output and a
3-point moving average algorithm to perform differential measure-
ments.
• Buffer storage and recall for up to 65,536 delta readings
• Averaging filtering for delta readings
• Supported remote interfaces: Model 6220: GPIB and RS-232.
Model 6221: GPIB, RS-232 and Ethernet.
• KI-220 language – DDC commands to emulate Model 220 operation.
Organization of manual sections
While viewing the PDF version of this manual, the manual sections can be viewed
by clicking the “Bookmarks” tab on the left side of this window. This tab also pro-
vides direct links to the various sections and section topics.
The manual sections are also listed in the Table of Contents located at the begin-
ning of this manual.
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