參數(shù)資料
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
文件頁數(shù)： 68/90頁
文件大?。?/td> 1333K
代理商： TB1230AN
TB1230AN
2001-09-04
70
TEST CONDITION (Unless otherwise specified : H, RGB VCC = 9V ; VDD, Fsc VDD, Y / C VCC = 5V ; Ta = 25±3°C ; BUS = preset value ;
pin3 = 9V ; pin8 38 41 = 5V)
SW MODE
SUB-ADDRESS & BUS DATA
NOTE
ITEM
S21
S22
S31
S33
S34
S51
S42
―
00H
02H 1BH
―
MEASURING METHOD
T14
Chroma Input
Range
B
A
―
FFH
88H BFH
―
(1)
Input rainbow color bar signal (3.58MHz for NTSC or 4.43MHz
for PAL) to pin 42 (C IN) and 0.3V synchronizing signal to pin
51 (Sync IN).
(2)
Connect pin 36 (B-Y OUT) and pin 33 (B-Y IN), pin 35 (R-Y
OUT) and pin 34 (R-Y IN) in AC coupling respectively.
(3)
Connect pin 21 (Digital Ys) and pin 22 (Analog Ys) to ground.
(4)
Set bus data so that unicolor is maximum, drive and color are
set at each center value (80) and mute is on.
(5)
While increasing amplitude of chroma signal input to pin 42,
measure amplitude just before any of pin 12 (B OUT), pin 13
(G OUT) and pin 14 (R OUT) output signals is distorted (Vcr).
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