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(Created page with "{{Instrument Sidebar |manufacturer=Keithley |model=224 |class=Power supply |series= |summary=Programmable current source |image=Keithley 224 front.jpg |caption=Keithley 240 |introduced=(?) |discontinued=(?) |designers= |manuals= * Keithley 224 manual 224-901-01 Rev.E {{ROM Images}} }} The '''Keithley 224''' is a programmable current source. {{BeginSpecs}} {{Spec | Current | ±101.00 mA in 50 μA steps down to ±19.995 µA in 5 nA...") |
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{{Spec | Voltage | Programmable limit, bipolar, 1 V to 105 V in 1 V steps }} | {{Spec | Voltage | Programmable limit, bipolar, 1 V to 105 V in 1 V steps }} | ||
{{Spec | Output impedance | >10<sup>12</sup> Ω (10 µA range) // <20 pF }} | {{Spec | Output impedance | >10<sup>12</sup> Ω (10 µA range) // <20 pF }} | ||
{{Spec | Features | manual or automatic increment/decrement, selectable dwell times, external Trigger input and output, four TTL I/O lines | {{Spec | Features | manual or automatic increment/decrement, selectable dwell times, external Trigger input and output }} | ||
{{Spec | Options | | |||
* 2243: GPIB interface, four TTL I/O lines | |||
}} | |||
{{EndSpecs}} | {{EndSpecs}} | ||