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: 64/94页
文件大小: 1291K
代理商: TB1227CNG
TB1227CNG
2004-05-24
67
TEST CONDITION (Unless otherwise specified : H, RGB VCC = 9V ; VDD, Fsc VDD, Y / C VCC = 5V ; Ta = 25±3°C ; BUS = preset value)
SW MODE
SUB-ADDRESS & BUS DATA
NOTE
ITEM
S21 S22 S31 S33 S34 S51
00H 02H
MEASURING METHOD
T4
Frequency
Characteristic
B
A
FFH 00H
(1) Input TG7 sine wave signal whose frequency is 6MHz and video
amplitude is 0.7V to pin 31 (Y IN).
(2) Input 0.3V synchronizing signal to pin 51 (Sync IN).
(3) Connect both pin 21 (Digital Ys) and pin 22 (Analog Ys) to ground.
(4) Set bus data so that contrast is maximum, Y sub contrast and drive
are set at each center value and color is minimum.
(5) Measure amplitude of pin 13 signal (G OUT) and find the output /
input gain (double) (G6M).
(6) From the results of the above step 5 and the Note T3, find the
frequency characteristic.
Gf = 20og (G6M / G)
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