參數(shù)資料
型號: LC749870LG
廠商: SANYO SEMICONDUCTOR CO LTD
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA64
封裝: 5 X 5 MM, FLGA-64
文件頁數(shù): 33/44頁
文件大?。?/td> 538K
代理商: LC749870LG
LC749870LG
No.A1765-39/44
De-emphasis Filter
The de-emphasis filter characteristics can be selected using I2BSE_DEIIR.
Fig.15 De-emphasis Filter Characteristics
11. Automatic Video Standard Recognition
The video input standard is recognized automatically. Automatic video standard recognition can be set to ON or OFF
using I2A_AUTODET.
12. S/N Detection
S/N detection determines the video input noise level. During a vertical blanking period, the detection of noise is
processed while the detection enable signal is high. The level of S/N detection can be controlled using I2A_NLTH.
Fig.16 S/N Detection
13. Non-standard Detection
This function determines whether the video input is non-standard. The video input is judged standard/non-standard by
observing any variation from the standard VSYNC cycle.
ODD line
EVEN line
Detection enable signal
128CLK
de-emphasis filter characteristic
-25
-20
-15
-10
-5
0
0.01
0.1
1
10
Frequency[MHz]
Ga
in
[d
B
]
def0
def1
def2
def3
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