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): 77/115頁
文件大?。?/td> 1399K
代理商: TA1316AN
TA1316AN
2002-10-04
77
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)
P26
APACON white peak limiter
B
B
A
ON
(1) Set picture mute to off (P-MODE: Normal1 (000)), UNI-COLOR to 1101000, SHR-TRACKING to SRT-GAIN
maximum (00) and CDE to maximum (11). Input T pulse signal (0.7 V
P-P
) to TPA.
(2) Set PICTURE-SHARPNESS to maximum (111111) and APACON PEAK f
0
to 5 M (11), and monitor pin 43.
(3) When APACON white peak limiter is off (000), measure positive spike amplitude V
WPLOFF1
.
(4) When APACON white peak limiter is at maximum (111), measure positive spike amplitude V
WPLMAX1
.
(5) Set UNI-COLOR to center (1000000). When APACON white peak limiter is off (000) and at maximum (111),
measure positive spike amplitudes V
WPLOFF2
and V
WPLMAX2
.
(6) Set UNI-COLOR to minimum (0000000). When APACON white peak limiter is off (000) and at maximum
(111), measure positive spike amplitudes V
WPLOFF3
and V
WPLMAX3
.
(7) Calculate using the following formulae.
G
WPL1
=
20
×
og
G
WPL2
=
20
×
og
G
WPL3
=
20
×
og
"
(V
WPLMAX1
/V
WPLOFF1
) [dB]
"
(V
WPLMAX2
/V
WPLOFF2
) [dB]
"
(V
WPLMAX3
/V
WPLOFF3
) [dB]
V
WPLOFF
V
WPLMAX
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