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The Model 220 Current Source is an economical, programmable solution for precision sourcing of DC current. Constant current sources are needed when a device or material is best characterized by controlling the current through it, rather than the voltage across it.
Description
The Model 220 Current Source is an economical, programmable solution for precision sourcing of DC current. Constant current sources are needed when a device or material is best characterized by controlling the current through it, rather than the voltage across it. Examples are biasing transistor gates with fixed current, making hall effect measurements, and measuring low and high resistances. The Model 220 provides high accuracy and low noise in measurements where currents between 1pA and 100mA are required and programmability is needed.
The Model 220 is a programmable current source with full range current from 2nA to 100mA. The Model 220 has a selectable voltage compliance of up to 105V in one volt increments. The 100 memory locations allow up to 100 storage points for programming source, V-limit, end dwell time. The Model 220 can be used with any measurement system that uses the IEEE-488 interface bus.
Additional Features:
·Current from 2 nA to 100 mA
·Voltage compliance of up to 105 V in 1 V increments
·100 memory locations allows up to 100 storage points for programming source, V-limit, and dwell time
·±0.5pA to ±101mA DC output
·1014Ω output resistance
·±1V to ±105V programmable
·V-LIMIT
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