TLK4211EA Datasheet, PDF (6/17 Pages) Texas Instruments – 4.25 Gbps Cable and PC Board Equalizer

TLK4211EA
SLLS655 – NOVEMBER 2005
APPLICATION INFORMATION
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Figure 3 shows the TLK4211EA connected with an ac-coupled interface to the data signal source via a microstrip
interconnect line. The output load is ac-coupled as well.
The ac coupling capacitors C₁ through C₄ in the input and output data signal lines are the only required external
components. In addition, if a low cutoff frequency is required, as an option, an external filter capacitor C_OC may
be used.
C_OC
Optional
DIN+
DIN−
0 Inch to 30 Inches
Stripline on FR4
VCC
VCC
C₁
DIN+
TLK4211EA ^DOUT+
C₂
DIN−
16-Pin QFN _DOUT−
VCC
OUTPOL
VCC
C₃
DOUT+
C₄
DOUT−
OUTPOL
DISABLE
Figure 3. Basic Application Circuit With AC Coupled I/Os
S0072-02
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