参数资料
型号: TB1274BFG
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封装: 10 X 14 MM, 0.80 MM PITCH, QFP-48
文件页数: 26/37页
文件大小: 839K
代理商: TB1274BFG
TB1274BFG
2005-08-18
32
NOTE
ITEM
MEASURING METHOD
SECAM SECTION
COMMON TEST CONDITION FOR SECAM SECTION
Set the BUS data as Y1/C1 input is selected.
Input SECAM 75% color bar(R-Y ID=214mVp-p) to pin 48(C1-IN), unless otherwise specified.
S1
Linearity
Measure the amplitude from black bar levels in output of pin 22 and 23.
Calculate items by the following equation.
LinCb= V[yellow] / V[blue]×100 (%)
LinCr= V[cyan] / V[red]×100 (%)
S2
Transient characteristic
Measure the period shown in the following figure at pin 22(Cb-OUT) and
pin 23(Cr-OUT).
Magenta
Green
90%
10%
tTRCb, tTRCr
S3
Killer operation input level
Set the BUS data as S-ID is Normal and S V-ID SW is OFF.
While attenuating the ID signal, measure its R-Y ID amplitude when the killer is ON/OFF as eSK and
eSC.
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