Renesas 8V19N49 Series Manual page 14

8V19N49x Hardware Design Guide
Figure 20. LVPECL Driver DC Coupling Termination for the Receiver with built-in 100 ohm termination
VCC=3.3V
LVPECL Driv er
Figure 21. LVPECL Driver AC Coupling Termination for the Receiver with Built-in Termination
R31UH0005EU0100 Rev.1.0
Jun 3, 2021
VCC=3.3V
Zo = 50
Zo = 50
LVPECL Driv er
0.1uF(optional)
Figure 19. LVPECL 750mV Termination Example 2
VCC=3.3V
LVPECL Driv er
R2
120 to 240
Zo = 50
Zo = 50
R2 R1
120 to 240 120 to 240
CLK
nCLK
R2 R4
50 50
C1 R2
50
IN
Zo = 50
VT
Zo = 50
nIN
R1
120 to 240
C1 VCC=3.3V
R3
5.1K
R4 10K
C2
VCC=3.3V
High Input Impedance
VCC=3.3V
50 Ohm
50 Ohm
8V79S680
VCC=3.3V
IN
50 Ohm
VT
50 Ohm
nIN
8V79S680
Page 14