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參數(shù)資料
| 型號： | S1D2511B01-A0 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| 中文描述： | 偏轉(zhuǎn)處理器多同步監(jiān)測儀 |
| 文件頁數(shù)： | 27/34頁 |
| 文件大?。?/td> | 330K |
| 代理商： | S1D2511B01-A0 |
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DEFLECTION PROCESSOR FOR MULTISYNC MONITORS S1D2511B01
27
The S1D2511B01 also includes a lock/unlock identification block which senses in real time whether PLL1 is locked
or not on the incoming horizontal sync signal. The resulting information is available on Hlockout (see sync proces-
sor). The block function is described in figure 12.
When PLL1 is unlocked, It forces Hlockout to leave high.
The lock/unlock information is also available throw I
2
C read.
PLL2
The PLL2 ensures a constant position of the shaped flyback signal in comparism with the sawtooth of the VCO
(figure 12).
The phase comparator of PLL2 (phase type comparator) is followed by a charge pump(typical output cur-
rent:0.5mA).
The flyback input is composed of an NPN transistor. This input must be current driven. The maximum
recommanded input current is 5mA (see figure 13).
The dury cycle is adjustable through I
2
C from 30% to 60%. For startup safe operation, initial duty cycle (after power
on reset) is 60% in order to avoid having a too long conduction period of the horizontal scanning transistor. The
maximum storage time(Ts MAX.) is (0.38T
H
-T
FLY
/2). Typically, T
FLY
/TH is around 20% which means that Ts max
is around 28% of T
H
.
Figure 12. PLL2 Timing Diagram
Figure 13. Flyback Input Electrical Diagram
H Osc
Sawtooth
7/8T
H
1/8T
H
6.4V
3.7V
1.6V
Shaped Flyback
H drive
Flyback
Internally
Duty Cycle
Ts
12
HFLY
400
20K
Q1
GND 0V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| S1D2511B01 | DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| S1D2511B01-A0B0 | DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| S1D2514X01 | SDR Cable Assembly; Connector Type A:micro D Ribbon Plug; Connector Type B:micro D Ribbon Plug; Cable Length:2m; No. of Contacts:26; Pitch Spacing:0.8mm RoHS Compliant: Yes |
| S1D2518X01 | DB25 RJ11,4 WIRE ONLY. FEMAL |
| S1L9226X | RF AMP & SERVO SIGNAL PROCESSOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S1D2511B01-A0B0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| S1D2511C01-AO | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| S1D2512X01 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| S1D2512X01-A0B0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:DEFLECTION PROCESSOR FOR MULTISYNC MONITORS |
| S1D2514X01 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:S1D2514X01-D0B0 |
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