參數(shù)資料
型號: EL9112ILZ-T7
廠商: INTERSIL CORP
元件分類: 通用總線功能
英文描述: Triple Differential Receiver/Equalizer
中文描述: TRIPLE LINE RECEIVER, PQCC28
封裝: ROHS COMPLIANT, MO-220, QFN-28
文件頁數(shù): 11/12頁
文件大?。?/td> 800K
代理商: EL9112ILZ-T7
11
FN7450.1
May 17, 2005
Decoding is based on the EL4543 encoding scheme, as
described in Figure 27 and Table 1. The scheme is a three-
level system, which has been designed such that the sum of
the common mode voltages results in a fixed average DC
level with no AC content. This eliminates the effect of EMI
radiation into the common mode signals along the twisted
pairs of the cable
The common mode voltages are initially extracted by the
EL9111 from the three input pairs. These are then passed to
an internal logic decoding block to provide Horizontal and
Vertical sync output signals (H
OUT
and V
OUT
).
FIGURE 27. H & V SYNCS ENCODED
TABLE 1. H AND V SYNC DECODING
RED CM
GREEN CM
BLUE CM
H
SYNC
V
SYNC
Mid
High
Low
Low
Low
High
Low
Mid
Low
High
Low
High
Mid
High
Low
Mid
Low
High
High
High
NOTE: Level ‘Mid’ is halfway between ‘High’ and ‘Low’
TIME (0.5ms/DIV)
V
(
BLUE CM
OUT (CH A)
GREEN CM
OUT (CH B)
RED CM
OUT (CH C)
V
SYNC
H
SYNC
V
(
EL9111, EL9112
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