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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)： | 97/115頁 |
| 文件大小： | 1399K |
| 代理商： | TA1316AN |
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TA1316AN
2002-10-04
97
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)
T26 Text ACL
characteristic
A
B
B
A
A
B
A
A
A
(1) Apply 5 V from external power supply to pin 49.
(2) Input signal 1 (f
0
=
100 kHz, picture period amplitude
=
0.2 V
P-P
) to pin 35.
(3) Measure pin 43 picture period amplitude vTXACL1.
(4) Apply external power supply (pin 53 DC voltage
0.5 V) to pin 53 and measure picture
period amplitude output vTXACL2 on pin 43.
(5) Apply external power supply (pin 53 DC voltage
1.0 V) to pin 53 and measure picture
period amplitude output vTXACL3 on pin 43.
(6) TXACL
1
=
20
×
og
TXACL
2
=
20
×
og
"
(vTXACL2/vTXACL1)
"
(vTXACL3/vTXACL1)
(7) Repeat steps (5) and (6), setting sub-address (10) data to 01 to ascertain TXACL
3
and
TXACL
4.
T27 Analog OSD
gain
A
B
B
A
A
A
A
or
B
A
or
B
A
or
B
(1) Input signal 1 (f
0
=
100 kHz, picture period amplitude
=
0.2 V
P-P
) to pin 3 and adjust DRIVE
GAIN 1/2 so that pin 41/42 picture period amplitude is equal to that of pin 43.
(2) Apply 5 V from external power supply to pins 50 and 51.
(3) Input signal 1 (f
0
=
100 kHz, picture period amplitude
=
0.2 V
P-P
) to pin 39.
(4) Adjust output picture period amplitude v43R on pin 43.
(5) Repeat steps (3) and (4), making the following changes:
Input to pin 38 and measure picture period amplitude output on pin 42 (v42G).
Input to pin 37 and measure picture period amplitude output on pin 41 (v41B).
(6) Calculate using the following formulae.
G
OSDR
=
v43R/0.2
G
OSDG
=
v42G/0.2
G
OSDB
=
v41B/0.2
T28 Analog OSD
white peak
slice level
A
B
B
A
A
A
A
A
A
(1) Apply 5 V from external power supply to pins 50 and 51.
(2) Apply external power supply to pin 39 and gradually increase voltage from 4.5 V DC. When
pin 43 output is clipped, measure picture period amplitude.
(3) Repeat step (2), making the following changes:
Input to pin 38 and measure picture period amplitude output on pin 42.
Input to pin 37 and measure picture period amplitude output on pin 41.
T29 Analog OSD
black peak
limit level
A
B
B
A
A
A
A
A
A
(1) Apply 5 V from external power supply to pins 50 and 51.
(2) Apply external power supply to pin 39 and gradually decrease voltage from 4.5 V DC. When
pin 43 output is clipped, measure picture period amplitude.
(3) Repeat step (2), making the following changes.
Input to pin 38 and measure picture period amplitude output on pin 42.
Input to pin 37 and measure picture period amplitude output on pin 41.
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