ICs for TV
AN7299S
Antenna diversity IC for car TV
s
Overview
0.4±0.25 0.45
The AN7299S is an antenna diversity IC for car TV.
A noise detection circuit and an antenna changeover
circuit are integrated on one chip.
Unit : mm
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6
7
8
9
10
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24
23
22
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13
s
Features
•
Built-in vertical and horizontal synchronizing circuit
•
Built-in antenna fixing function
•
It outputs a composite synchronous signal
s
Applications
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Car TVs
0.1±0.1
0.3
7.2±0.3
9.4±0.3
SOP024-P-0375A
s
Block Diagram
24
23
22
21
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13
1/5
divider
VCO
1st
noise
amp.
Video
clamp
2nd
noise
amp.
Noise
comparator
ANT
select
switch
ANT switch driver
ANT choice
ANT select control
ANT select decoder
ANT switch control
Sync
separater
Sync
control
V-sync
separater
Phase
detector
Charge
pump
Horizontal OSC
Vertical OSC
10
11
0.15
0.925
12
1
2
3
4
5
6
7
8
9
2.0±0.2
15.3±0.3
1.27
1
PANASONIC [ PANASONIC SEMICONDUCTOR ]
