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C H A P T E R
G
I
ENERAL
NFORMATION
This manual contains operation and maintenance information for the LDX-3412
Precision Current Source. Appendix A contains a brief troubleshooting guide.
Product Overview
The LDX-3412 is an easy to operate, precision current source. It is optimized for
driving laser diodes and LEDs with an output range of 0 to 200 mA, with a
compliance voltage of >6 volts. Multiple built-in protection features ensure that the
supply output is transient-free and bounded under all conditions. There are three
modes of operation for the LDX-3412: (1) Constant Power, which allows
photodiode feedback to control the output current; (2) Constant Current, in which
feedback from the laser is used to control the output current; and (3) Limit Display,
in which the current limit is displayed while the output current is off.
Features of the LDX-3412 include:
• Intuitive front panel layout
• Fully independent, precision current limit control
• Slow turn-on circuit for laser diode protection
• Safe OUTPUT off/on switch
• Double shielded transformers for low noise
• Photodiode feedback capability
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LDX-3412
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