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4040FI5 Datasheet

  • 4040FI5

  • 4040 F15 (3x7683) Front End Data Sheet|RF Tuner Modules:

  • 725.97KB

  • 17頁

  • ETC

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M I C R O T U N E鈩?/div>
4040 FI5 RF F
RONT
E
ND
M
ODULE
(3
X
7683, 3
X
7748)
A
DVANCE
D
ATA
S
HEET
1 APPLICATIONS
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M
IXED
D
IGITAL AND
A
NALOG
TV
AND
ATSC A
PPLICATIONS
Mixed digital and analog TV
Advanced Television Systems Committee (ATSC) applications
2 FEATURES
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鈥?/div>
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Reception standard: NTSC M/N and ATSC
VHF, Hyperband, and UHF
Frequency range of 50 MHz to 860 MHz
Single 5V supply voltage
CVBS, Audio and 2
nd
intermediate frequency (IF) audio application outputs
Built-in video buffer
Band selection and tuning via I
2
C bus
Functionality of both an analog multimedia front end and a digital tuner
Preliminary
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3 INTRODUCTION
The 4040 FI5 RF Front End Module combines the functions of both an analog
multimedia front end and a digital tuner in a single unit. Applications can therefore
provide for reception of digital signals according to ATSC (8-VSB), while retaining
NTSC analog TV capability with a single front-end module.
Figure 1
4040 FI5 RF Front End Module
For reception of digitally modulated signals, a balanced IF output is available at pins
16 and 17, with a center frequency of 44 MHz. The IF outputs are designed to
interface directly with an applicable external surface acoustical wave (SAW) filter. An
3X 7683 ED Revision: 07
May 00
Page 1 of 17
7683ED07.doc

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