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)： 78/115頁
文件大?。?/td> 1399K
代理商： TA1316AN
TA1316AN
2002-10-04
78
Test Conditions for Color Difference Signal 1/YUV Input and Matrix
Common Test Conditions for Color Difference Signal 1/YUV Input and Matrix
SW1
=
B, SW2
=
B, SW20
=
ON, SW33
～
SW39
=
A, SW54
=
OPEN, SW56
=
OPEN
(2)
Send BUS control data with preset values.
(3)
Set ACB MODE to off (0) and high bright color (HI BRT) to off (0).
(4)
Input sync signal [signal in sync with input signal for testing, except for SWEEP signal] to pin 14 (SYNC IN) and set SYNC-INPUT to (10).
(1)
Test Conditions
SW mode
Note No.
Parameter
SW3
SW4
SW5
SW7
Test Method (test conditions: V
CC
=
9 V/2 V, Ta
=
25°
±
3°C)
C
A
A
OPEN
SW8
SW9
SW10
S01
Color SRT gain
B
B
B
(1) Set Y mute to on (P-MODE: Y-MUTE (001)), YUV INPUT MODE to Through (10), BRIGHTNESS to center
(10000000), COLOR to center (1000000) and UNI-COLOR to maximum (1111111).
(2) Input 2T pulse signal to TP4 and set pin 4 amplitude to 350 mV
P-P
.
(3) Monitor pin 41 output waveform. When C-SRT-FREQ is 5 MHz (00), measure edge gradients SB00MIN,
SB00CEN and SB00MAX when COLOR SRT GAIN is at minimum (000), center (100) and maximum (111) as
in shown in the figure below. Set SB00MIN to 0 dB, determine GS
B00CEN
=
20
×
og
and GS
B00MAX
=
20
×
og
"
(SB00MAX/SB00MIN).
"
(SB00CEN/SB00MIN)
(4) Repeat step (3) above, setting C-SRT-FREQ to 6.7 MHz (01) and 10 MHz (10), and measure edge gradients
when COLOR SRT GAIN is at minimum (000), center (100) and maximum (111). Determine GS
B01CEN
,
GS
B10CEN
, GS
B01MAX
and GS
B10MAX
.
(5) Input 2T pulse signal to TP5 and set pin 5 amplitude to 350 mV
P-P
.
(6) Monitor pin 43 output waveform. When C-SRT-FREQ is 5 MHz (00), measure edge gradients SR00MIN,
SR00CEN and SR00MAX when COLOR SRT GAIN is at minimum (000), center (100) and maximum (111) as
shown in the figure below. Set SR00MIN to 0dB, determine GS
R00CEN
=
20
×
og
and GS
R00MAX
=
20
×
og
"
(SR00MAX/SR00MIN).
"
(SR00CEN/SR00MIN)
(7) Repeat step (3) above,
setting C-SRT-FREQ to
6.7 MHz (01) and 10
MHz (10), and measure
edge gradients when
COLOR SRT GAIN is at
minimum (000), center
(100) and maximum
(111). Determine
GS
R01CEN
, GS
R10CEN
,
GS
R01MAX
and
GS
R10MAX
.
10%
100%
T
***
10%
V
***
Gradient S
***
= V
***
/T
***
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