Product Description：
The 220 is a Current Source from Keithley. A current source is a type of electronic test equipment in circuit form that can deliver or absorb electrical current that’s independent of the voltage across its terminals. There are two types of current sources: dependent and independent. A dependent current source delivers an electric current that is proportional to another voltage in the circuit. An independent current source delivers a constant current.
Features:
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Current from 2 nA to 100 mA
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Voltage compliance of up to 105 V in 1 V increments
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100 memory locations allows up to 100 storage points for programming source, V-limit, and dwell time
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±0.5pA to ±101mA DC output
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1014Ω output resistance
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±1V to ±105V programmable
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V-LIMIT
