CDCLVP1204

LVPECL

150 W

150 W

50 W

50 W

V

BB

(a)OutputDCTermination

(b)OutputACTermination

CDCLVP1204

LVPECL

130 W

82 W

130 W

82 W

V

CC

V

CC

LVCMOS

CDCLVP1204

R

S

V

+V

IH

IL

2

V

=

th

V

IH

V

th

V

IL

CDCLVP1204

SCAS880C

– AUGUST 2009 – REVISED AUGUST 2011

www.ti.com

Input Termination

The CDCLVP1204 inputs can be interfaced with LVPECL, LVDS, or LVCMOS drivers. Figure 16 illustrates how

LVCMOS driver; its value is calculated as the difference between the transmission line impedance and the driver

output impedance.

Figure 16. DC-Coupled LVCMOS Input to CDCLVP1204

12

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