General Test Set : Keithley 224


放大图片KEITHLEY 224

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Programmable Current Source

The Model 224 programmable current source was designed for general purpose bench or system use. The INCREMENT/ DECREMENT function is manual or automatic, and selectable dwell times provide stepped ramp capabilities.

The Model 2243 IEEE-488 option is field installable. It allows flexible programming including current, V-LIMIT, local lockout, service request masks, and serial polling. A digital I/O port on the IEEE-488 interface card provides four TTLcompatible input and output lines. The status of the I/O port can be interrogated and changed over the bus.

The AUTO function allows automatic incrementing or decrementing of the output. Time per step can be set from 50ms/step to 999.9s/step. In some applications, it is necessary to limit the voltage across the device under test. The Model 224 offers compliance limit settings ranging from +/-1V to +/-105V in 1V steps. An SRQ on V-LIMIT can be programmed if the 2243 IEEE-488 option is installed. A blinking LED indicates V-LIMIT for bench operation.
  • 制造商: Keithley
  • 模型: 224