VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Data Sheet
SONET/SDH 2.5Gb/s Laser Diode Driver
Figure 4: Control Signals VIP and VIB
I (MIB)
50 mA
VSC7924
VIB
1.5V (Typical)
2.1V (Maximum)
Typical Bias Current v.s. Bias Voltage
I (MIP)
60 mA
VIP
1.5V (Typical)
2.1V (Maximum)
Typical Modulation Current v.s. Modulation Voltage
Figure 5: Simplified Output Structure
NIOUT
IOUT
X
X
VIP
X
I
MOD
OUTPUT
DIFF
PAIR
I
BIAS
X
VIB
X
MIP
X
MIB
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©
VITESSE
SEMICONDUCTOR CORPORATION
• 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52156-0, Rev 3.0
05/01/01