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): 100/115頁
文件大小: 1399K
代理商: TA1316AN
TA1316AN
2002-10-04
100
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)
T34 OSD blending
characteristic
A
C
B
B
A
A
A
A
B
A
B
B
B
(1) Input signal 1 (f
0
=
100 kHz, picture period amplitude
=
0.2 V
P-P
) to pin 3.
(2) Measure picture period amplitudes v41a, v42a and v43a on pins 41, 42 and 43 respectively.
(3) Apply 5 V from external power supply to pin 51.
(4) Measure picture period amplitudes v41b, v42b and v43b on pins 41, 42 and 43 respectively.
(5) Determine in decibels v41b amplitude in relation to v41a; v42b amplitude in relation to v42a;
v43b amplitude in relation to v43a:
α
41TV1,
α
42TV1 and
α
43TV1.
(6) Repeat steps (3) to (5), applying 5 V from external power supply to pin 50, and measure
α
41TV2,
α
42TV2 and
α
43TV2.
(7) Repeat steps (3) to (5), applying 5 V from external power supply to pins 50 and 51, and
measure
α
41TV3,
α
42TV3 and
α
43TV3.
(8) Set to SW3 to C; SW37, SW38, Sw39 to B.
(9) Input signal 1 (f
0
=
100 kHz, picture period amplitude
=
0.2 V
P-P
) to pins 37, 38 and 39.
(10) Apply 5 V from external power supply to pins 50 and 51.
(11) Measure picture period amplitudes v41c, v42c and v43c on pins 41, 42 and 43 respectively.
(12) Apply 5 V from external power supply to pin 50.
(13) Measure picture period amplitudes v41d, v42d and v43d on pins 41, 42 and 43 respectively.
(14) Determine in decibels v41d amplitude in relation to v41c; v42d amplitude in relation to v42c;
v43d amplitude in relation to v43c:
α
41OSD1,
α
42OSD1 and
α
43OSD1.
(15) Repeat steps (12) to (14), applying 5 V from external power supply to pin 51, and measure
α
41OSD2,
α
42OSD2 and
α
43OSD2.
(16) Repeat steps (12) to (14), applying 5 V from external power supply to pins 50 and 51, and
measure
α
41OSD3,
α
42OSD3 and
α
43OSD3.
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