AN7299S
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
1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 s Features
- Built-in vertical and horizontal synchronizing circuit
- Built-in antenna fixing function
- It outputs a posite synchronous signal s Applications
- Car TVs
0.1±0.1
7.2±0.3 9.4±0.3
SOP024-P-0375A s Block Diagram
24 23 22 21 20 19 18 17 16 15 14 13
1/5 divider VCO
1st noise amp.
Video clamp
2nd noise amp.
Noise parator
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
0.15...