參數(shù)資料
型號(hào): 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(hào)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): 85/115頁
文件大?。?/td> 1399K
代理商: TA1316AN
TA1316AN
2002-10-04
85
Test Conditions for Text
Common Test Conditions for Text
(1)
(2)
Unless otherwise specified, measure bus data using preset values.
Set the following data:
Sub-address (00) to data (02)
Sub-address (05) to data (7F)
Sub-address (09) to data (40)
Sub-address (0B) to data (7F)
Sub-address (0C) to data (82)
Sub-address (12) to data (F0)
Sub-address (19) to data (F8)
Sub-address (1A) to data (E0)
Sub-address (1B) to data (E0)
Sub-address (1D) to data (78)
Sub-address (1E) to data (87)
Test Conditions
SW mode
Note
No.
Parameter
SW3
SW4
SW5
SW33
SW34 SW35 SW37 SW38 SW39
Test Method (test conditions: V
CC
=
9 V/2 V, Ta
=
25°
±
3°C)
T01 AC gain
A
B
B
A
A
A
A
A
A
(1) Input signal 1 (f
0
=
100 kHz, amplitude of picture period voltage
=
0.2 V
P-P
) to pin 3.
(2) Measure pins 41, 42 and 43 picture period amplitudes V
41
, V
42
and V
43
.
(3) Determine AC gain using the following formulae.
G
R
=
V
43
/0.2 G
G
=
V
42
/0.2 G
B
=
V
41
/0.2
T02 Unicolor
adjustment
characteristic
A
B
B
A
A
A
A
A
A
(1) Input signal 1 (f
0
=
100 kHz, amplitude of picture period voltage
=
0.2 V
P-P
) to pin 3.
(2) Vary UNI-COLOR data to maximum (7F), center (40) and minimum (00), and measure pin 43
picture period amplitudes V
uMAX
, V
uCNT
and V
uMIN
.
(3) Determine amplitude ratio
V
u
of V
uMAX
to V
uCNT
(in decibels).
T03 Brightness
adjustment
characteristic
A
B
B
A
A
A
A
A
A
(1) Input signal 2 to pin 3 and set pin 43 picture period amplitude to 1 V
P-P
.
(2) Vary BRIGHTNESS to maximum (7F), center (80) and minimum (00), and measure pin 43
voltages V
brMAX
, V
brCNT
and V
brMIN
.
T04 White peak
slice level
C
B
B
A
A
A
A
A
A
(1) Set SUB-CONTRAST to maximum.
(2) Apply external power supply to pin 3 and increase voltage from 5.8 V.
(3) When pin 43 picture period is clipped, measure pin 43 picture period amplitude voltage V
WPS1
.
(4) Repeat steps from (1) to (3) above (for V
WPS2
), changing sub-address (0C) data to 06.
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