an5290s Panasonic Corporation of North America, an5290s Datasheet
an5290s
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... AN5290S Antenna diversity IC for on-vehicle TV ■ Overview The AN5290S is an on-vehicle television antenna-diversity IC in which the noise detection circuit and antenna changeover circuit are integrated on a single chip destined for NTSC/PAL system. ■ Features • Built-in vertical and horizontal synchronizing circuit • ...
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... AN5290S ■ Pin Descriptions Pin No. Description 1 Antenna selection level holding capacitance 2 Sync. separation video signal input 3 Horizontal sync. signal AFC output 4 Horizontal sync. signal oscillation time- constant setting 5 Horizontal sync. signal output 6 Output for noise canceler 7 Vertical sync. signal output 8 GND 9 Vertical sync ...
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... Antenna selection output pin, AS2 max. current, when pin Antenna selection output pin, AS3 max. current, when pin Antenna selection output pin, AS4 max. current, when pin SDB00011CEB AN5290S Min Typ Max Unit 12.0 20.0 28.0 mA 15.58 15.68 15.78 kHz 186 188.2 ...
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... AN5290S ■ Technical Information Note) The following characteristics are the reference value for design and not guaranteed value. The timing chart is for explaining the IC operation plainly. Those vary depending on input condition. 1. Timing chart 1 • When NTSC reception (in horizontal and vertical synchronization) antenna is selected. ...
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... ANT-2 output (pin 15) ANT-3 output (pin 14) ANT-4 output (pin 13) Selected antenna Output for N.C. (pin 6) The antenna selection sequence is as follows 10.667 µs (Electric field judgment level) ANT-1 ANT-2 ANT-3 SDB00011CEB AN5290S 5.333 µs ANT 21.333 µs ANT-4 5 ...
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... AN5290S ■ Application Circuit Example 1 µF 75 Ω 10 µF 1st noise 2nd noise amp. amp. ANT choice Sync. control Sync. sepa. Horizontal 51 kΩ The circuit shows an example of application circuit and circuit constant but does not guarantee the design of mass- production set. ...
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Request for your special attention and precautions in using the technical information and (1) If any of the products or technical information described in this book exported or provided to non-residents, the laws and regulations of the ...