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參數(shù)資料
| 型號： | TB1227BN |
| 廠商： | Toshiba Corporation |
| 英文描述： | VIDEO, CHROMA AND SYNCHRONIZING SIGNALS PROCESSING IC FOR PAL/NTSC/SECAM SYSTEM COLOR TV |
| 中文描述： | 視頻，色度和同步信號處理集成電路的PAL / NTSC制式/ SECAM制式彩電 |
| 文件頁數(shù)： | 72/94頁 |
| 文件大小： | 1292K |
| 代理商： | TB1227BN |
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TB1227CNG
2004-05-24
72
TEST CONDITION (Unless otherwise specified : H, RGB V
CC
= 9V ; V
DD
, Fsc V
DD
, Y / C V
CC
= 5V ; Ta = 25±3°C ; BUS = preset value)
SW MODE
SUB-ADDRESS & BUS DATA
S
21
S
22
S
31
S
33
S
34
S
51
—
—
—
00H
05H
—
NOTE
ITEM
—
—
—
MEASURING METHOD
T
15
Brightness Control
Characteristic
B
B
B
B
B
A
—
—
—
FFH
00H
10H
—
—
—
—
T
16
Brightness Center
Voltage
↑
↑
↑
↑
↑
↑
—
—
—
80H
↑
—
—
—
—
T
17
Brightness Data
Sensitivity
↑
↑
↑
↑
↑
↑
—
—
—
—
—
—
—
—
—
(1) Short circuit pin 31 (Y IN), pin 33 (B-Y IN) and pin 34 (R-Y IN) in
AC coupling.
(2) Input 0.3V synchronizing signal to pin 51 (Sync IN).
(3) Set bus data so that R, G, B cut off data are set at center value.
(4) Connect pin 21 (Digital Ys) and pin 22 (Analog Ys) to ground.
(5) While changing bus data on brightness from maximum to
minimum, measure video voltage of pin 13 (G OUT) to find
maximum and minimum voltages (max : Vbrmx, min : Vbrmn).
(6) With bus data on brightness set at center value, measure video
voltage of pin 13 (G OUT) (Vbcnt).
(7) On the conditon that bus data with which Vbrmx is obtained in
measurement of the above step 5 is Dbrmx and bus data with
which Vbrmn is obtained in measurement of the above step 5 is
Dbrmn, calculate sensitivity of brightness data (
Vbrt).
Vbrt = (Vbrmxg
Vbrmng) / (Dbrmxg
Dbrmng)
T
18
RGB Output Voltage
Axes Difference
↑
↑
↑
↑
↑
↑
—
—
—
—
—
—
—
—
—
(1) In the same manner as the Note T
16
, measure video voltage of pin
12 (B OUT) with bus data on brightness set at center value.
(2) Find maximum axes difference in the brightness center voltage.
(1) Set bus data so that contrast and Y sub contrast are maximum and
brightness is minimum.
T
19
White Peak Limit
Level
↑
↑
↑
↑
↑
↑
—
—
—
00H
1FH
—
—
—
—
(2) Input TG7 sine wave signal whose
frequency is 100kHz and amplitude
in video period is 0.9V to pin 31
(Y IN).
(3) Connect pin 21 (Digital Ys) and pin
22 (Analog Ys) to ground.
(4) While turning on / off WPL with bus,
measure video amplitude of pin 14
(R OUT) with WPL being activated
(Vwpl).
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TB1227CNG | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:VIDEO, CHROMA AND SYNCHRONIZING SIGNALS PROCESSING IC FOR PAL / NTSC / SECAM SYSTEM COLOR TV |
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| TB1230AN | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:VIDEO, CHROMA AND SYNCHRONIZING SIGNALS PROCESSING IC FOR PAL/NTSC SYSTEM COLOR TV |
| TB1231AN | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:PAL/NTSC 1CHIP (IF + VCD PROCESSOR) IC |
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