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參數(shù)資料
| 型號(hào)： | LA70100M |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO30 |
| 封裝： | 0.375 INCH, MFP-30 |
| 文件頁(yè)數(shù)： | 13/16頁(yè) |
| 文件大小： | 279K |
| 代理商： | LA70100M |
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LA70100M
No.7204-6/16
(Note 11) Output impedance of SECAM DET (R28)
Assign to V28 as when generating 100
A from pin 28 by adding 5V to pin 27
and take “H”, and calculate R28.
(Note 12) The sync signal at T29 must lag behind the SECAM color bar signal synchronization by 1.5
s (Fig. 1).
(Note 13) The sync signal at T29 must lag behind the PAL color bar signal synchronization by 1.5
s (Fig. 6).
(Note 14) PB mode phase detection output differential voltage :
VSAPD1 : Assign to VPD1 the DC voltage at T25 when a sine wave of 1.0625MHz is input to T14 and VPD2 the DC
voltage at T26 when a sine wave of 1.1016MHz is input.
VSCPD1=VPD2 - VPD1
VSAPD2 : Assign to VPD3 and VPD4 the voltage at T25 and T26, respectively, when a sine wave of 627kHz is input
to T14.
VSCPD2=VPD4 - VPD3
(Note 15) PB mode SECAM detection characteristics VSCMP1 / VSCMP2 :
VSCMP1 : Apply the above-mentioned VPD1 and VPD2 to T25 and T26, respectively and measure the voltage at T28.
VSCMP2 : Apply the above-mentioned VPD3 and VPD4 to T25 and T26, respectively and measure the voltage at T28.
PAL color bar signal
Fig.6
T29
1.5
s
T16
4.433619MHz
21.5%
1Vpp
100%
28
R28
R28=
5(V) - V28
VCC
100
A
Fig.5
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