Skyworks Si4822-DEMO, User Manual

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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • December 10, 2021
Si4822/26-DEMO
Si4822/26 D
EMO
B
OARD
U
SER
’
S
G
UIDE
1. Features

ATDD (analog tune and digital display) FM/AM/SW radio

Worldwide FM band support from 64 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, for Si4826 only)

SW2 5.95–6.2 MHz

SW3 6.8–7.6 MHz (Demo Board Default, for Si4826 only)

SW4 7.1–7.6 MHz

SW5 9.2–10 MHz (Demo Board Default, for Si4826 only)

SW6 9.2–9.9 MHz

SW7 11.45–12.25 MHz (Demo Board Default, for Si4826 only)

SW8 11.6–12.2 MHz

SW9 13.4–14.2 MHz (Demo Board Default, for Si4826 only)

SW10 13.57–13.87 MHz

SW11 15–15.9 MHz (Demo Board Default, for Si4826 only)

SW12 15.1–15.8 MHz

SW13 17.1–18 MHz (Demo Board Default, for Si4826 only)

SW14 17.48–17.9 MHz

SW15 21.2–22 MHz (Demo Board Default, for Si4826 only)

SW16 21.45–21.85 MHz

Twelve positions band 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 interface

The frequency range of each band, de-emphasis and AM channel space can be re-configured by host MCU.