SI4827-DEMO Datasheet, PDF (1/16 Pages) Silicon Laboratories – Si4827 DEMO BOARD USERS GUIDE

Si4827-DEMO
Si4827 DEMO BOARD USER’S GUIDE
1. Features
ATDD (analog tune and digital display) FM/AM/SW radio
Worldwide FM band support from 64 MHz to 109 MHz with 5 default sub-bands:
FM1 87—108 MHz (Demo Board Default)
FM2 86.5—109 MHz
FM3 87.3—108.25 MHz
FM4 76—90 MHz
FM5 64—87 MHz (Demo Board Default)
Worldwide AM band support from 504 to 1750 kHz with 5 default sub-bands
AM1 520—1710 kHz (Demo Board Default)
AM2 522—1620 kHz (Demo Board Default)
AM3 504—1665 kHz
AM4 520—1730 kHz
AM5 510—1750 kHz
Worldwide SW band support from 2.3 to 28.5 MHz with 16 default sub-bands:
SW1 5.6—6.4 MHz (DEMO Board Default)
SW2 5.95—6.2 MHz
SW3 6.8—7.6 MHz (DEMO Board Default)
SW4 7.1—7.6 MHz
SW5 9.2—10 MHz (DEMO Board Default)
SW6 9.2—9.9 MHz
SW7 11.45—12.25 MHz (DEMO Board Default)
SW8 11.6—12.2 MHz
SW9 13.4—14.2 MHz (DEMO Board Default)
SW10 13.57—13.87 MHz
SW11 15—15.9 MHz (DEMO Board Default)
SW12 15.1—15.8 MHz
SW13 17.1—18 MHz (DEMO Board Default)
SW14 17.48—17.9 MHz
SW15 21.2—22 MHz (DEMO Board Default)
SW16 21.45—21.85 MHz
Support wider FM/SW band range.
Twelve positions slide switch or one push button for selecting different band according to the target
application.
Two AAA battery operations with working voltage down to 2.0 V
Economical potentiometer for frequency tuning replaces more expensive variable capacitor (PVC).
Potentiometer and/or push button volume control
FM 50 µs or 75 µs (default) de-emphasis
9-level Bass/Treble via push button control for FM
7-level Bass/Treble via push button control for AM/ SW
FM/AM/SW band indicator and frequency display in LCD
2×4 matrix keypad
The frequency range of each band, De-emphasis and AM channel space can be re-configured by host
MCU.
Rev. 0.1 3/13
Copyright © 2016 by Silicon Laboratories
Si4827-DEMO