THCV219_16 Datasheet, PDF (8/18 Pages) THine Electronics, Inc. – V-by-One HS High-speed Video Data Transmitter

Pre-emphasis and Drive Select Function
Pre-emphasis can equalize severe signal degradation caused by long-distance or high-speed transmission.
The PRE pin selects the strength of pre-emphasis.
CMLDRV controls CML output swing level. See Table 3.
PRE
L
H
Table 3. Pre-emphasis and Drive Select function table
Description
CMLDRV
Swing level
Pre-emphasis
L
400mV diff p-p
0dB
H
600mV diff p-p
L
400mV diff p-p
6dB
H
600mV diff p-p
3.5dB
Power Down Function
Setting the PDN pin low places THCV219 in the power-down mode. Internal circuitry turns off and the TXP/N
outputs turn to High level.
PDN
L
H
Table 4. Power Down function table
Description
Power Down
Normal Operation
THCV219_Rev.2.20_E
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