參數(shù)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(shù)字電視,逐行掃描電視和雙掃描電視
文件頁數(shù): 62/115頁
文件大小: 1399K
代理商: TA1316AN
TA1316AN
2002-10-04
62
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)
P11
DC restoration gain
B
B
C
ON
(1) Set picture mute to off (P-MODE: Normal1 (000)), DC restoration start point to minimum (000) and DC
restoration limit point (DC REST LIMIT) to 100% (11) and connect external power supply PS1 to pin 3.
(2) Measure DC level of pin 43 picture period. When use PS1 at V
3
as reference, Set PS1 to V
3
+
0.7 V and
adjust DC level to 0.7 V using UNI-COLOR.
(3) Set DC REST RATE to minimum (000) and measure V
DT1
and V
DT2
when pin 3 is at V
3
and at V
3
+
0.1 V
(see figure below).
(4) Measure V
DT3
when pin 3 is at V
3
+
0.1 V. Set DC REST RATE to maximum (111) and measure V
DT3
.
(5) Set DC restoration rate switch (DCRR-SW) to 100% or less (1) and pin 3 to V
3
+
0.1 V, and measure V
DT4
.
Set DC REST RATE to maximum (111) and measure V
DT4
.
(6) Calculate ADT
100
, ADT
135
and ADT
65
using the following formulae.
ADT
100
=
(V
DT2
[V]
V
DT1
[V])
÷
0.1 [V]
ADT
135
=
(V
DT3
[V]
V
DT1
[V])
÷
0.1 [V]
ADT
65
=
1
{(V
DT2
[V]
V
DT4
[V])
÷
0.1 [V]}
Picture period
V
DT1
V
3
[V]
V
DT2
V
DT3
V
DT4
V
3
+
0.1 V
Pin 43 waveform
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