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PDF NJM2542 Data sheet ( Hoja de datos )
| Número de pieza | NJM2542 | |
| Descripción | 5V / SSOP20 | |
| Fabricantes | JRC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJM2542 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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VIF/SIF Demodulator
NJM2542
DESCRIPTION
The NJM2542 is a VIF/SIF demodulator especially designed for TV
and VCR based on the NTSC system.
FM-PLL(Phase Locked Loop) detector reduces the number of pins
and external parts, for efficient use of set space.
FEATURES
• Operating Voltage 5V
• Alignment-free Automatic Frequency Tuning
• Alignment-free FM-PLL Demodulator
• Intercarrier type
• Bipolar Technology
• Package Outline: SSOP20
PACKAGE OUTLINE
NJM2542V
BLOCK DIAGRAM
20 19 18 17 16 15 14 13 12 11
AFT
EQAMP
IFAMP
APC
DET
VCO
AGC
AFAMP
SVCO
FMDET
LIM
1 2 3 4 5 6 7 8 9 10
-1-
1 page  
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NJM2542
TYPICAL CHARACTERISTICS
Standard Test Conditions:
(TA=25°C,Vcc=5V,IF=45.75MHz/90dBuV, IF IN has 1:1Transformer instead of SAW filter.)
VIDEO S/N
60
50
VIDEO DG/DP
10
DG
DP
8
6
40
4
30
2
20
-60 -50 -40 -30 -20 -10
IF Level [dBm ]
0
10
0
-60 -50 -40 -30 -20 -10
IF Level [dBm ]
0
10
VIDEO Chrom a/920K_Beat
50
AUDIO S/N / BUZZ
60
40 50
40
30
S/N
30
BUZZ(SM PTE)
20
20
10
10
0
-60 -50 -40 -30 -20 -10
IF Level [dBm ]
AF Level
600
0
10
0
-70 -60 -50 -40 -30 -20 -10
P/S [dB]
THD
3
0
500
2
400
300
200
100
-80
-60 -40
SIF [dBm ]
-20
0
1
0
234 56 7
SIF [MHz]
-5-
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet NJM2542.PDF ] | |
Hoja de datos destacado
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