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參數資料
| 型號： | LA76818A |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDIP54 |
| 封裝： | 0.600 INCH, DIP-54 |
| 文件頁數： | 23/44頁 |
| 文件大小： | 289K |
| 代理商： | LA76818A |
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LA76818A
No.8047-3/44
Continued from preceding page.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
NT Trap1 (4.5MHz)
NTR1
-28
dB
NT Trap2 (4.8MHz)
NTR2
-20
dB
BG Trap1 (5.5MHz)
BTR1
-28
dB
BG Trap2 (5.85MHz)
BTR2
-20
dB
I Trap1 (6.0MHz)
ITR1
-28
dB
I Trap2 (6.55MHz)
ITR2
-17
dB
DK Trap1 (6.5MHz)
DTR1
-28
dB
SIF block
FM detection output voltage
SOADJ
FM =
±30kHz
220
310
435
mVrms
FM limiting sensitivity
SLS
Output -3dB
53
dB
FM detection output
f characteristics
SF
fm = 100kHz
-0.5
5.0
8.0
dB
FM detection output distortion
STHD
FM =
±30kHz
1.0
%
AM rejection ratio
SAMR
AM = 30%
40
dB
SIF S/N
SSN
DIN.Andio
50
dB
PAL de-emph time constant
SPTC
2.4
3.0
3.6
dB
PAL/NT difference of
voltage gain
SGD
-1.5
0.0
+1.5
dB
NT de-emph time constant
SNTC
1.9
2.5
3.1
dB
AUDIO block
Maximum gain
AGMAX
1kHz, 500mVrms
-2.0
0.5
+3.0
dB
Variable range
ARANGE
60
74
dB
Frequency characteristics
AF
20kHz
-3.0
0.0
3.0
dB
Mute
AMUTE
20kHz
70
dB
Distortion
ATHD
1kHz, 500mVrms, Vol: MAX
0.5
%
S/N
ASN
DIN.Audio
65
73
dB
Crosstalk
ACT
1kHz
70
dB
Video block
Video overall gain
(Contrast max)
CONT127
10.0
12.0
14.0
dB
Normal/max
CONT63
-7.5
-6.0
-4.5
dB
Contrast
adjustment
Characteristics
Min/max)
CONT0
-15.0
-12.0
-9.0
dB
NTSC
BW1
1.8MHz/100kHz
Filter sys = 0000
-6.0
-3.0
0.0
dB
PAL
BW2
2.2MHz/100kHz
Filter sys = 0010
-6.0
-3.0
0.0
dB
6MHz Trap
BW3
2.3MHz/100kHz
Filter sys = 0100
-6.0
-3.0
0.0
dB
Video frequency
characteristics
APF
BW4
3.4MHz/100kHz
Filter sys = 0000
Y APF=1
-6.0
-3.0
0.0
dB
PAL
CtrapP
-36.0
-26.0
-22.0
dB
Chroma trap
amount
NTSC
CtrapN
-36.0
-26.0
-22.0
dB
1
ClampG1
DCREST = 00
95.0
100.0
105.0
%
2
ClampG2
DCREST = 01
102.0
107.0
112.0
%
3
ClampG3
DCREST = 10
107.0
112.0
117.0
%
DC transmission
amount
4
ClampG4
DCREST = 11
123.0
128.0
133.0
%
NTSC
TdY1
FILTER SYS = 0000
490.0
540.0
590.0
ns
PAL
TdY2
FILTER SYS = 0010
530.0
580.0
630.0
ns
SECAM
TDY3
FILTER SYS = 1000
610.0
660.0
710.0
ns
6MHz Trap
TdY4
FILTER SYS = 0100
370.0
420.0
470.0
ns
Y-DL TIME
APF
TdY5
FILTER SYS = 0000, YAPF = 1
370.0
420.0
470.0
ns
Continued on next page.
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