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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)： | 51/94頁 |
| 文件大小： | 1292K |
| 代理商： | TB1227BN |
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TB1227CNG
2004-05-24
51
TEST CONDITION (Unless otherwise specified : H, RGB V
CC
= 9V ; V
DD
, Fsc V
DD
, Y / C V
CC
= 5V ; Ta = 25±3°C)
SW MODE
S
33
S
34
S
39
S
42
S
44
S
45
S
51
(1) Activate the test mode (S26-ON, Sub Add 02 ; 08h).
NOTE
ITEM
S
26
S
1
S
31
MEASURING METHOD
C
14
Demodulation
Relative Phase
ON
A
B
B
B
A
A
A
A
B
(2) Connect band pass filter (Q = 2), set to TV mode (f
o
= 600kHz) with 0dB attenuation.
(3) Set the crystal mode to conform to European, Asian system and set the gate to normal
status.
(4) Input 3N, 4N and 4P rainbow color bar signals having 100mV
p-p
burst to pin 42 of the
chroma input terminal one after another.
(5) Measure phases of color difference signals of pin 36 (B-Y) and pin 35 (R-Y)
respectively, and express them as 3N
θ
R-B, 4N
θ
R-B and 4P
θ
R-B respectively.
(6) For measuring with 3N and 4N color bar signals in NTSC system, set six bars of the B-Y
color difference waveform to the peak level with the Tint control and measure its phase
difference from phase of R-Y color difference signal of pin 35 (R-Y OUT).
(Note)
Relative phase of G-Y color difference signal shall be checked later in the Text
section.
C
15
Demodulation
Output Residual
Carrier
↑
↑
↑
↑
↑
↑
↑
↑
↑
↑
(1) Activate the test mode (S26-ON, Sub Add 02 ; 08h).
(2) Connect band pass filter (Q = 2), set to TV mode (f
o
= 600kHz) with 0dB attenuation.
(3) Set the crystal mode to conform to European, Asian system.
(4) Set the gate to normal status.
(5) Input 3N and 4N rainbow color bar signals having 100mVp-p burst to pin 42 of the
chroma input terminal one after another.
(6) Measure subcarrier leak of 3N and 4N color bar signals appearing in color difference
signals of pin 36 (B-Y OUT) and pin 35 (R-Y OUT) respectively, and express those
leaks as 3N-SCB / R and 4N-SCB / R.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| TB1229DN | 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 |
| 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 |
| TB1231CN | 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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