ta1310ang TOSHIBA Semiconductor CORPORATION, ta1310ang Datasheet - Page 38

• Manufacturer Part Number: ta1310ang
• Description: Ntsc Video, Chroma, Deflection, And Distortion Compensation Ic With Yuv Interface And Acb
• Manufacturer: TOSHIBA Semiconductor CORPORATION

NOTE
Note 1: When testing, see the picture sharpness test circuit diagram. First turn ACB mode off (bus control).
Note 2: Ensure the composite signal is always input to pin 38 (SYNC IN).
P
12
Black Stretching Start Point
ITEM
SW
C
54
SW MODE
SW
B
A
↓
55
OPEN
SW
56
1)
2)
3)
4)
5)
6)
Set the bus control data to the preset value.
Set SW
the black stretch start point to 001.
Connect #54 to an external power supply (PS), increase the voltage from V
voltage S
Next, set SW
change in voltage S
Now set the black stretch point to 111 and plot S
Use the diagram below to calculate the intersection V
Use the following formals to calculate P
P
P
B001
B111
[(IRE)] = ((V
[(IRE)] = ((V
54
1
to C (connect the Y input to AC-GND), set SW
of #56.
55
(TEST CONDITIONS V
to A (maximum gain). Then, increase the voltage from V
B001
B111
2
of #56.
[V] − V
[V] − V
38
56
56
[V] ÷ 0.7 [V]) × 100 [(IRE)]
[V] ÷ 0.7 [V]) × 100 [(IRE)]
CC
B001
MEASUREMENT METHOD
= 9 V / 5 V, Ta = 25 ± 3°C)
and P
3
as in 3) above.
B111
B001
, and calculate P
55
of S
to B (minimum gain), turn the Y mute off (0), and set
1
and S
2
, and the intersection V
B001
54
as in 3) above and plot the resulting
and P
54
, and plot the resulting change in
B111
from the formulas below.
B111
of S
1
and S
TA1310ANG
3
.
2005-09-20