參數(shù)資料
型號: ML6427CS
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 消費家電
英文描述: 75W Quad Video Cable Drivers and Filters with Switchable Inputs
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO24
封裝: SOIC-24
文件頁數(shù): 13/17頁
文件大?。?/td> 168K
代理商: ML6427CS
ML6427
13
Figure 9. Synchronizing the Filter Delay with Fast Blanking or Alpha-Key Signals in OSD Applications
D
Q
OSD
(ON-SCREEN DISPLAY)
PROCESSOR
ML6431
GENLOCK/CLOCK
GENERATOR
ML6427
SCART/QUAD VIDEO
FILTER AND DRIVER
R
G
B
ROUTPUT
GOUTPUT
BOUTPUT
TO MUX OR
OTHER
PROCESSING
UNFILTERED
DELAY AT 13.5MHz IS APPROXIMATELY 74ns
FAST BLANKING INTERVAL
OR ALPHA-KEY SIGNAL
FAST BLANKING
INTERVAL
OR ALPHA-KEY
SIGNAL
13.5MHz/
27MHz
80ns±10ns DELAY
FILTERED
INPUTS
Bank A:
Bank B:
Other:
RGB, CV filtered path
RGB, CV filtered path
CV unfiltered path, Sync IN (slave mode)
Figure 10. Basic Application for PAL
OUTPUTS
Option 1:
2 CV outputs + 2 TV modulator outputs, 1 RGB output
Option 2:
2 CV outputs + 1 TV modulator output, 1 S-video output
Other:
Sync output (buffered stripped sync)
220μF
330pF
VIDEO CABLES
75
CV/Y
MODULATOR
220μF
75
R/Y
220μF
75
G/Y
220μF
75
B/C
H SYNC OUT
OPTIONAL FOR DC COUPLED APPLICATIONS
220μF
75
CV/Y
MODULATOR
CVOUT1/YOUTA
21
CVOUT2/YOUTB
20
ROUT/YOUTC
18
23
24
1
13
14
19
5
17
22
6
GOUT/YOUTD
16
BOUT/COUT
15
CVINFA/Y2
3
GINA/Y6
9
GINB/Y7
10
BINA/C1
11
BINB/C2
12
RINA/Y4
7
RINB/Y5
8
CVINFB/Y3
4
CVINU/Y1
2
SYNCIN
SYNCOUT
SWAP CVF
SWAP CVU
A/
B
MUX
GNDO
VCCORGB
VCCOCV
VCC
GND
ML6427
330pF
相關(guān)PDF資料
PDF描述
ML6428CS1 S-Video Filter and 75 з Line Drivers with Summed Composite Output
ML6428CS-1 S-Video Filter and 75 з Line Drivers with Summed Composite Output
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