Combined with other company equipment, Hewlett-Packard Co.'s HP 83430A
transmitter provides complete lightwave digital stimulus-response
testing at rates up to 2.5 Gb/s. Operating at 1550 nm, the distributed
feedback laser source can be modulated with a digital AC- or DC-coupled
signal or an analog AC-coupled signal. A 1310-nm model is also
available. The device can be used as a reference transmitter for
manufacturing applications that require an SDH/SONET-compliant source.
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