參數資料
型號: TA1316AN
廠商: Toshiba Corporation
英文描述: YCbCr/YPbPr Signal and Sync Processor for Digital TV, Progressive Scan TV and Double Scan TV
中文描述: YCbCr /色差信號處理器和同步數字電視,逐行掃描電視和雙掃描電視
文件頁數: 63/115頁
文件大小: 1399K
代理商: TA1316AN
TA1316AN
2002-10-04
63
Test Conditions
SW mode
Note No.
Parameter
SW1
SW2
SW3
SW56
Test Method (test conditions: V
CC
= 9 V/2 V, Ta
=
25°
±
3°C)
P12
DC restoration start point
B
B
C
ON
(1) Set picture mute to off (P-MODE: Normal1 (000)), DC restoration start point to minimum (000) and DC REST
LIMIT to 100% (11), and connect external power supply PS1 to pin 3.
(2) Measure DC level of pin 43 picture period. Use PS1 at V
3
as reference. When PS1 is set to V
3
+
0.7 V, adjust
DC level to
+
1.0 V using UNI-COLOR.
(3) Set DC REST RATE to minimum (000), increase PS1 from V
3
and plot voltage relationship between pin 56
(DC voltage) and pin 43 (picture period voltage).
(4) Set DC REST RATE to maximum (111), increase PS1 from V
3
and plot voltage relationship between pins 56
and 43.
(5) Set DC REST RATE to maximum (111), DC restoration start point to maximum (111), increase PS1 from V
3
and plot voltage relationship between pins 56 and 43.
(6) Calculate V
DT0
and V
DT1
using the following formulae.
V
DT0
=
[(V
SP0
V
56
)/1 V]
×
100%
V
DT1
=
[(V
SP1
V
56
)/1 V]
×
100%
DC restoration rate: 000
DC restoration start point: 111
DC restoration start point: 000
Pin 56
V
SP1
V
SP0
V
PC
Pin 43
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