HDMP-0480 Datasheet, PDF (8/11 Pages) Agilent(Hewlett-Packard) – Octal Cell Port Bypass Circuit without Clock and Data Recovery

O-LVTTL
I-LVTTL
Vcc
Vcc
Vcc
Vbb
1.4V
GND
ESD
ESD
Protection
Protection
GND
GND
Figure 4. O-LVTTL and I-LVTTL Simplified Circuit Schematic.
75 Ohms
HS_OUT
VCCHS
VCC
HS_IN
VCC
+
VCC
–
+
–
TO_NODE[n]+
TO_NODE[n]-
ZO = 75Ω FM_NODE[n]+
0.01 µF
2 _* ZO = 150Ω
ZO = 75Ω _{0.01 µF}
FM_NODE[n]-
ESD
Protection
GND
GND
GND
ESD
Protection
GND
Figure 5. HS_OUT and HS_IN Simplified Circuit Schematic.
Note: FM_NODE[n] inputs should never be connected to ground as permanent damage to the device may result.
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