參數(shù)資料
型號(hào): TEA2037
廠商: 意法半導(dǎo)體
英文描述: HORIZONTAL AND VERTICAL DEFLECTION MONITOR
中文描述: 水平和垂直撓度監(jiān)測(cè)
文件頁(yè)數(shù): 5/9頁(yè)
文件大?。?/td> 94K
代理商: TEA2037
9
Phase
Comparator
Output
V
CC1
R4
R5
2
Figure3 :
Line Oscillator
V
C
Line
Flyback
Integrated
Flyback
Sync Pulse
Output
Current
2
Figure4 :
PhaseComparator
10
11
V
C
ST1
ST2
V
CC1
2
Figure 5
The sync-pulse drives the currentin the compara-
tor. The line flyback integrated by the external
networkgives on pin 11a saw tooth, the DC offset
of this saw tooth is fixed by VC. The comparator
outputprovidesapositivecurrentforthepart of the
signal on pin11 greater thanto VC and a negative
currentforthe otherpart.Whenthelineflybackand
thevideosignalaresynchronized,theoutputofthe
comparatorisanalternativelynegativeandpositive
current.The framesync-pulseinhibits the compa-
rator to prevent frequencydrift of the lineoscillator
on the framebeginning.
TEA2037A
5/9
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