Equipment information

Keithley 224 Current source
Model 224
Date 1984
Category Measurement instruments
Group Current source
Description Programmable Current Source
                                    The model 224 is a programmable Current source with full
range current output of 20,uA to 101 mA. The smallest step of
output current is 5nA. The model 224 has a selectable
voltage compliance of up to 105V in IV increments. The
value of output current can be modified in two ways: manually
or automatically. The automatically modified current value
is incremented or decremented by the programmed rate. The
time button allows the modification of the programmed auto
increment/decrement rate. The control of the current value
modification can be activated by an external trigger pulse applied
to the EXTERNAL TRIGGER INPUT. At the completion
of the current value modification (each digit) the Model 224
outputs a pulse that has the specifications shown in Figure
2-5. This pulse can be used to trigger another instrument
(printer, DMM, controller, etc.1 to start its programmed task.
With the Model 2243 IEEE-488 Interface option installed, the
model 224 can be used with any measurement system that
uses ?he IEEE-488 bus. For detailed operating instructions of
the Model 2243 IEEE-488 Interface option, refer to the Model
2243 Instruction Manual

These manuals are available for the above equipment:

Manual Type Service and User Manual Keithley-3523-Manual-Page-1-Picture
Pages 75
Size 5.85 Mbytes (6130409 Bytes)
Language english
Revision Fifth Printing
Manual-ID/Number 224-901-01
Date December 2001
Quality Scanned document, all readable.
Upload date
MD5 996e2d118d061fc1f450859969532625
Downloads 575 since 20 May 2012
Quick Reference Guide

Manual Type User Manual Keithley-5611-Manual-Page-1-Picture
Pages 40
Size 477.84 Kbytes (489304 Bytes)
Language english
Quality Scanned document, reading partly badly, partly not readable.
Upload date
MD5 6fafc31921aa96b21c4f6b61686d5b69
Downloads 306 since 07 March 2014
Quick Reference Guide

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