VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Data Sheet
VSC7925
I (MIB)
50 mA
SONET/SDH 2.5Gb/s Laser Diode Driver
Figure 4: Control Signals VIP and VIB
VIB
2.1V
Typical Bias Current v.s. Bias Voltage
I (MIP)
60 mA
2.1V
VIP
Typical Modulation Current v.s. Modulation Voltage
Figure 5: Simplified Output Structure
NIOUT
IOUT
IBIAS
X
X
X
VIP
X
I
MOD
OUTPUT
DIFF
PAIR
I
BIAS
X
VIB
X
MIP
X
MIB
G52157-0, Rev 3.2
05/01/01
©
VITESSE
SEMICONDUCTOR CORPORATION
• 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
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