VITESSE
SEMICONDUCTOR CORPORATION
SONET/SDH 2.5Gb/s Laser Diode Driver
Preliminary Data Sheet
VSC7923
Figure 4: Differential DC Coupled
SOURCE
GND
GND
GND
DIN
X
+
50Ω
X
-
GND
GND
50Ω -2V
VREF
-2V
VSS
SOURCE
Figure 5: Single Ended AC Coupled with Offset Adjust
GND
.01µF DIN
X
+
GND
GND
50Ω
VREF
-
X
GND
GND
.01µF
VSS
GND
2000
4300
VSS
Page 6
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52203-0, Rev 3.0
05/11/01