VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Data Sheet
VSC7938
SONET/SDH 3.125Gb/s
Laser Diode Driver with Automatic Power Control
Typical Operating Characteristics
IMODSET vs. RMODSET
T=25°C VCC = 3.3V
IMODSET vs. RMODSET
T=25°C VCC = 5V
IBIASMAX vs. RBIASMAX
T=25°C, VCC = 3.3V
IBIASMAX vs. RBIASMAX
T=25°C, VCC = 5V
G52349-0, Rev 3.0
01/20/01
© 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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