VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Data Sheet
Single Supply 2.5Gb/s Voltage Driver
Figure 6: Control Signals VIP and VIB
I (MIB)
30 mA
VSC7937
VIB
VSS + 1.5 Volts (Typical)
Typical Bias Current v.s. Bias Voltage
I (MIP)
60 mA
VIP
VSS + 1.1 Volts (Typical)
Typical Modulation Current v.s. Modulation Voltage
Figure 7: Simplified Output Structure
NOUT OUT
X
X
VIP
X
I
MOD
OUTPUT
DIFF
PAIR
I
BIAS
X
VIB
X
MIP
X
MIB
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
G52200-0, Rev 3.0
03/05/01