参数资料
型号: TB1245N
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封装: PLASTIC, SDIP-56
文件页数: 74/101页
文件大小: 1490K
代理商: TB1245N
TB1245N
2001-07-26
74
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 6 MHz and video
amplitude is 0.7 V to pin 31 (Y IN).
(2) Input 0.3 V synchronizing signal to pin 48 (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 = 20 og (G6M / G)
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