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DS90UB901Q Datasheet, PDF (38/45 Pages) Texas Instruments – 10 - 43MHz 14 Bit Color FPD-Link III Serializer and Deserializer with Bidirectional Control Channel
Applications Information
AC COUPLING
The SER/DES supports only AC-coupled interconnects
through an integrated DC balanced decoding scheme. Exter-
nal AC coupling capacitors must be placed in series in the
FPD-Link III signal path as illustrated in Figure 36.
FIGURE 36. AC-Coupled Connection
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For high-speed FPD-Link III transmissions, the smallest avail-
able package should be used for the AC coupling capacitor.
This will help minimize degradation of signal quality due to
package parasitics. The I/O’s require a 100 nF AC coupling
capacitors to the line.
TYPICAL APPLICATION CONNECTION
Figure 37 shows a typical connection of the DS90UB901Q
Serializer.
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FIGURE 37. DS90UB901Q Typical Connection Diagram — Pin Control
38
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