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| 型號(hào)： | TB1230AN |
| 元件分類： | 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)： | 31/90頁(yè) |
| 文件大?。?/td> | 1333K |
| 代理商： | TB1230AN |
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TB1230AN
2001-09-04
37
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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相關(guān)代理商/技術(shù)參數(shù) |
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| 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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| TB1238BN | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:PAL/NTSC 1CHIP (IF + VCD PROCESSOR) IC |
| TB1238N | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:PAL/NTSC 1CHIP (IF+VCD PROCESSOR) IC |
| TB1239BF | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Bi-CMOS Integrated Circuit Silicon Monolithic |
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