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參數(shù)資料
| 型號： | LA7383 |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP36 |
| 封裝： | SDIP-36 |
| 文件頁數(shù)： | 12/13頁 |
| 文件大小： | 184K |
| 代理商： | LA7383 |
Continued from preceding page.
Parameter
Symbol
Conditions
min
typ
max
Unit
PB XO oscillation frequency
variation
fXO
In PB mode, measure the frequency at T18...f
fXO = f – 3579545 (Hz)
–7
0
+7
Hz
SLD detection current 1
ISLD1
In PB mode, with S20: 3 and S19: off, input a
4 MHz 300 mVp-p continuous wave from T33A,
input a 50% white signal from T3A, and measure
the wave peak at T19A
ISLD1 = VOS1/1 k
110
160
210
A
SLD detection current 2
ISLD2
In PB mode, with S20: 3 and S19: off, input a
4 MHz 300 mVp-p continuous wave from T33A,
input a 50% white signal from T3A, and measure
the wave peak at T19A
ISLD2 = VOS2/1 k
110
160
210
A
CNR characteristics
CNR
SW21
→ 2: from T14A
SW23
→ 3: input chroma signal that is a chroma
noise test signal that underwent
low-band conversion
(SP mode, burst 50 mVp-p)
PB mode: input a 50% white signal from T3A and
measure the chroma level at T28
230
290
350
mVP-p
US switch operation check
US
SW21
→ 2: from T14A
SW23
→ 4: input chroma signal that is a chroma
noise test signal that underwent
low-band conversion
(SP mode, burst 50 mVp-p)
PB mode; input a 50% white signal from T3A and
measure the chroma level at T28
450
560
670
mVp-p
EDIT1
EDIT
SW21
→ 2: from T14A
SW23
→ 1: input chroma signal that is a chroma
noise test signal that underwent
low-band conversion
(SP mode, burst 50 mVp-p)
PB mode; input a 50% white signal from T3A and
measure the chroma level at T28
450
560
670
mVP-P
CNR-OFF
CNR(OFF)
SW21
→ 1: from T14A
SW23
→ 3: input chroma signal that is a chroma
noise test signal that underwent
low-band conversion
(SP mode, burst 50 mVp-p)
PB mode; input a 50% white signal from T3A and
measure the chroma level at T28
450
560
670
mVP-P
CNR amp gain
GCNR
VIN = 100 mVp-p 3.58 MHz CW
9.5
10.5
11.5
dB
4.2 V regulator operation
confirmation (1)
V42(R)
SW25
→ 1 measure T25 DC level REC mode
4.2
VDC
4.2 V regulator operation
confirmation (2)
V42(P1)
SW25
→ 1 measure T25 DC level PB mode
4.2
VDC
4.2 V regulator operation
confirmation (3)
V42(P2)
SW25
→ 2 measure T25 DC level PB mode
4.2
VDC
LA7383
No.4032-8/13
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