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: 39/94页
文件大小: 1291K
代理商: TB1227CNG
TB1227CNG
2004-05-24
44
TEST CONDITION (Unless otherwise specified : H, RGB VCC = 9V ; VDD, Fsc VDD, Y / C VCC = 5V ; Ta = 25±3°C)
SW MODE
NOTE
ITEM
S26
S1
S31
S33
S34
S39
S42
S44
S45
S51
MEASURING METHOD
C2
Band Pass Filter
Characteristic
ON
A
B
A
B
A
B
(1) Activate the test mode (S26-ON, Sub Add 02 ; 01h).
(2) Set as follows : band pass filter Q = 2, crystal clock = conforming to 3.579 / 4.43MHz,
gate = normal status.
(3) Input 3N composite sine wave signal (1Vp-p) to pin 42 (Chroma IN).
(4) Measure frequency characteristic of B-Y output of pin 36 and measure the peak
frequency, too.
(5) Changing fo to 0, 500, 600 and 700 by the bus control and measure peak frequencies
respectively with different fo.
(6) For measuring frequency characteristic as fo is 4.43, use 4.43MHz crystal clock
Measure the following items in the same manner.
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