AN602 Datasheet, PDF (1/38 Pages) Vishay Siliconix – Driver ICs for Automotive Diagnostic Communications Meet ISO 9141 Standards

AN602
Si4822/26/27/40/44 ANTENNA, SCHEMATIC, LAYOUT,
AND DESIGN GUIDELINES
1. Introduction
This document provides general Si4822/26/27/40/44 design and AM/FM/SW antenna selection guidelines,
including schematic, BOM, and PCB layout. All users should follow the Si4822/26/27/40/44 design guidelines
presented in “2. Si4822/26/27/40/44 Default Frequency Band Definition and Selection”and “3. Si48422/26/27/40/44
SSOP/SOIC Schematic and Layout” and choose the appropriate antennas based on the applications and device
used as described in “4. Headphone Antenna for FM Receive” through “8. Whip Antenna for SW Receiver”.
Table 1. Part Selection Guide
†Part
Number
†General
Description
Si4822
Si4826
Si4827
Si4840
Si4844
Entry level wheel-tuned digital display † †
AM/FM Receiver, Mono audio
† †† †
Entry level wheel-tuned digital display † † † † † † † †
AM/FM/SW Receiver, Mono audio
Entry level wheel-tuned digital display † † † † † † † †
AM/FM/SW Receiver, wide FM/SW
band, Mono audio
Wheel-tuned digital display AM/FM † †
Receiver, Stereo audio
††††
Wheel-tuned digital display AM/FM/ † † † † † † † †
SW Receiver, wide FM/SW band, Ste-
reo audio
Rev. 0.3 2/13
Copyright © 2013 by Silicon Laboratories
AN602