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): 79/115頁
文件大?。?/td> 1399K
代理商: TA1316AN
TA1316AN
2002-10-04
79
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 SW56
S02
Color difference signal amplitude
correction
B
B
B
OPEN
(1) Input 100-kHz sine wave to TP4 and set pin 4 amplitude to 0.2 V
P-P
.
(2) Set Y mute to OFF (P-MODE: Normal1 (000)), YUV INPUT MODE to Through (10), BRIGHTNESS to center
(10000000), COLOR to center (1000000), UNI-COLOR to maximum (1111111), Y/C GAIN COMP1 to
minimum (00), Y/C GAIN COMP2 to minimum (00), black stretch point 1 to off (000), dynamic Y
γ
point to 30
IRE (11) and SW1 to A. Apply 0 V to TP1 using external power supply PS1 and 5.16 V to pin 3 using PS2.
(3) Monitor pin 41 output waveform and measure amplitude VBDY0.
(4) Set Y/C GAIN COMP1 to maximum (11) and measure pin 41 amplitude VBDY1.
(5) Set DYNC
γ
GAIN VS DARK AREA to maximum (111), STATIC
γ
-GAIN to maximum (11) and external power
supply PS1 to 1 V, and measure pin 41 amplitude VBDY2.
(6) Set Y/C GAIN COMP2 to maximum (11) and measure pin 41 amplitude VBDY3.
(7) Set Y/C GAIN COMP1 to minimum (00), Y/C GAIN COMP2 to minimum (00), DYNC
γ
GAIN VS DARK AREA
to minimum (000), STATIC
γ
-GAIN to minimum (00), PS1 to 0 V, PS2 to 5 V and SW2 to A. Measure pin 41
amplitude VBBS0.
(8) Set Y/C GAIN COMP1 to maximum (11) and measure pin 41 amplitude VBBS1.
(9) Set black stretch point 1 to maximum (111) and measure pin 41 amplitude VBBS2.
(10) Set Y/C GAIN COMP2 to maximum (11) and measure pin 41 amplitude VBBS3.
(11) Calculate using the following formulae.
GC
BDY1
=
20
×
og
GC
BDY3
=
20
×
og
GC
BBS2
=
20
×
og
"
(VBDY1/VBDY0) GC
BDY2
=
20
×
og
(VBDY3/VBDY0) GC
BBS1
=
20
×
og
(VBBS2/VBBS0) GC
BBS3
=
20
×
og
"
(VBDY2/VBDY0)
"
"
(VBBS1/VBBS0)
"
"
(VBBS3/VBBS0)
(12) Input 100-kHz sine wave to TP5, set pin 5 amplitude to 0.2 V
P-P
, repeat steps (2) to (11) above and
determine GC
RDY1
, GC
RDY2
, GC
RDY3
, GC
RSB1
, GC
RSB2
and GC
RSB3
.
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