The MAX3296 shortwave or vertical cavity-surface emitting laser (VCSEL) evaluation kit (EV kit) is an assembled, surface-mount demonstration board that allows easy optical and electrical evaluation of the MAX3286 1.25Gbps laser driver or the MAX3296 2.5Gbps laser driver in the common-cathode configuration. Short-wavelength laser diodes (wavelength < 980nm) and VCSELs typically require a common-cathode configuration. In the common-cathode configuration, the laser's cathode connects to ground and the laser is driven at its anode.
The MAX3296 shortwave or VCSEL EV kit regulates the laser bias current to keep a constant photodiode current or the kit directly senses the laser bias current and holds it constant.
Refer to the MAX3296EVKIT-LW for evaluation of the MAX3286/MAX3296 with long-wavelength laser diodes in the common-anode configuration.
Key Features
Applications/Uses
Drives Common-Cathode Lasers
ncludes Socket for Laser Insertion
LED Fault Indicator
Evaluates Either MAX3286 or MAX3296 (installed)
Adjustable DC Bias Current for VCSELs
Adjustable Photodiode Current
Adjustable Modulation Current
Adjustable Modulation Current Tempco
Configured for Electrical Operation, No Laser
Necessary
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