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參數(shù)資料
| 型號： | TA1276AF |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 61/83頁 |
| 文件大小： | 1585K |
| 代理商： | TA1276AF |
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TA1276AF
2002-01-29
64
Test Conditions (unless otherwise stated, VCC1 = 5 V, VCC2/VCC3/DEF VCC = 9 V, Ta = 25 ± 3°C)
Switching Mode
Note
Parameter
SW33
SW34
SW35
SW37
SW38
SW39
SW51
SW52
SW53
Test Conditions
A6
High-Brightness Color Gain
A
B
A
C
1)
Set subaddress (10) data to (20).
2)
Input signal 2 (picture period amplitude
= 0.2 Vp-p) to pin 80.
3)
Adjust the color control so that the picture period amplitude output from pin
15 is 1.2 Vp-p.
4)
Measure the picture period amplitude of the pin 15 output signal when the
subaddress (06) data are (FF). (V41)
5)
HBC1
= (1.2 V41)/1.2
A7
Flesh Color Characteristics
↑
A
↑
1)
Input IQ demodulated flesh-bar signals (15°-step rainbow signals in the
range
30° to +240°) to pin 80 (Q signal) and pin 1 (I signal) as 0.2 Vp-p.
Set the brightness to maximum.
2)
Set subaddress (10) data to (00).
3)
Measure the signals output from pins 11 and 15 and switch to subaddress
(10) data to (06). Measure the output signals and calculate the variation
characteristics of the color vector phase.
4)
Draw the vector variation characteristics curve showing the on state from
the off state and calculate the gradient in the vicinity of the I axis as Fa33.
Subaddress (08)
Data (80) off
Data (81) on
OFF
Chroma input phase [°]
ON
Color vector phase [°]
Fa
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