SI4822 datasheet(1/38 Pages) SILABS

Il numero della parte	SI4822

Spiegazioni elettronici	Si4822/26/27/40/44 ANTENNA, SCHEMATIC, LAYOUT, AND DESIGN GUIDELINES

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Produttore elettronici	SILABS [Silicon Laboratories]

Homepage	http://www.silabs.com

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Rev. 0.3 2/13

AN602

Si4822/26/27/40/44 A NTENNA, S CHEMATIC, L AYOUT,

AND

D ESIGN G UIDELINES

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

Entry level wheel-tuned digital display

AM/FM Receiver, Mono audio

†



†

††

Si4826

Entry level wheel-tuned digital display

AM/FM/SW Receiver, Mono audio

††

Si4827

Entry level wheel-tuned digital display

AM/FM/SW Receiver, wide FM/SW

band, Mono audio

††

Si4840

Wheel-tuned digital display AM/FM

Receiver, Stereo audio

†

††

Si4844

Wheel-tuned digital display AM/FM/

SW Receiver, wide FM/SW band, Ste-

reo audio

††

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