VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
VSC7926
SDH/SONET 2.5Gbits/sec
Laser Diode Driver
Figure 1: Control Signals VIP and VIB
I (MIB)
50 mA
VIB
2.1V
Typical Bias Current v.s. Bias Voltage
I (MIP)
60 mA
VIP
2.1V
Typical Modulation Current v.s. Modulation Voltage
Figure 2: Simplified Output Structure
NIOUT IOUT
XX
IBIAS
X
VIP X
OUTPUT
DIFF
VIB
PAIR
IMOD
IBIAS
X
MIP
MIB
G52188-0, Rev 2.1
6/1/98
© VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
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