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| 型號(hào)： | TB1230AN |
| 元件分類(lèi)： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP56 |
| 封裝： | 0.600 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-56 |
| 文件頁(yè)數(shù)： | 46/90頁(yè) |
| 文件大?。?/td> | 1333K |
| 代理商： | TB1230AN |
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TB1230AN
2001-09-04
50
TEST CONDITION (Unless otherwise specified : H, RGB VCC = 9V ; VDD, Fsc VDD, Y / C VCC = 5V ; Ta = 25±3°C)
SW MODE
NOTE
ITEM
S26
S1
S31
S33
S34
S39
S42
S44
S45
S51
MEASURING METHOD
C14
Demodulation
Relative Phase
ON
A
B
A
B
(1)
Activate the test mode (S26-ON, Sub Add 02 ; 08h).
(2)
Connect band pass filter (Q = 2), set to TV mode (fo = 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 100mVp-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 3NθR-B, 4NθR-B and 4PθR-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.
C15
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 (fo = 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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| TB1231AN | 制造商:TOSHIBA 制造商全稱(chēng):Toshiba Semiconductor 功能描述:PAL/NTSC 1CHIP (IF + VCD PROCESSOR) IC |
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| TB1238BN | 制造商:TOSHIBA 制造商全稱(chēng):Toshiba Semiconductor 功能描述:PAL/NTSC 1CHIP (IF + VCD PROCESSOR) IC |
| TB1238N | 制造商:TOSHIBA 制造商全稱(chēng):Toshiba Semiconductor 功能描述:PAL/NTSC 1CHIP (IF+VCD PROCESSOR) IC |
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