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参数资料
| 型号： | TB1227CNG |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP56 |
| 封装： | 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-56 |
| 文件页数： | 32/94页 |
| 文件大小： | 1291K |
| 代理商： | TB1227CNG |
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TB1227CNG
2004-05-24
38
TEST CONDITION (Unless otherwise specified : H, RGB VCC = 9V ; VDD, Fsc VDD, Y / C VCC = 5V ; Ta = 25±3°C)
SW MODE
SUB-ADDRESS & BUS DATA
NOTE
ITEM
S39
S42
S44
S45
S51
04H 08H 0FH 10H 13H 14H
MEASURING METHOD
Y8
APL Terminal Output
Impedance
A
C
B
A
20H 04H 80H 00H BAH 03H
(1) Short circuit pin 45 (Y1 IN) in AC coupling.
(2) Input synchronizing signal to pin 51.
(3) Connect power supply and an ammeter to the APL
of pin 44 as shown in the figure, and adjust the
power supply so that the ammeter reads 0 (zero).
(4) Raise the voltage at pin 44 by 0.1V, and measure
the current (Iin) at that time.
Zo44 () = 0.1V÷Iin (A)
Y9
DC Transmission
Compensation Amplifier
Gain
↑
Vari-
able
(1) Set the bus data so that DC transmission factor correction gain is maximum.
(2) In the condition of the Note Y8, observe Y1out waveform at pin 37 and measure
voltage change in the video period.
(3) Set the bus data so that DC transmission factor correction gain is centered, and
measure voltage in the same manner as the above step 2.
Adr = (V2 V1)÷0.1V÷Y1 gain
Y10
Maximum Gain of Black
Expansion Amplifier
↑
A
B
↑
00H
↑
E3H
(1) Set the bus data so that black expansion is on and black expansion point is
maximum.
(2) Input TG7 sine wave signal whose frequency is 500kHz and video amplitude is
0.1V to pin 45 (Y1 IN).
(3) While impressing 1.0V to pin 39 (Black Peak Hold), measure amplitude (Va) of
Y1out signal at pin 37.
(4) While impressing 3.5V to pin 39 (Black Peak Hold), measure amplitude (Vb) of
Y1out signal at pin 37.
Akc = Va÷Vb
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TB1229DN | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:VIDEO, CHROMA AND SYNCHRONIZING SIGNALS PROCESSING IC FOR PAL/NTSC SYSTEM COLOR TV |
| TB1230AN | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:VIDEO, CHROMA AND SYNCHRONIZING SIGNALS PROCESSING IC FOR PAL/NTSC SYSTEM COLOR TV |
| TB1231AN | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:PAL/NTSC 1CHIP (IF + VCD PROCESSOR) IC |
| TB1231CN | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:PAL/NTSC 1CHIP (IF+VCD PROCESSOR) IC |
| TB1238BN | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:PAL/NTSC 1CHIP (IF + VCD PROCESSOR) IC |
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