SI4820-DEMO Datasheet, PDF (4/10 Pages) Silicon Laboratories – Si4820/24 DEMO BOARD USER’S GUIDE

Si4820/24-DEMO
Main Components:
U1: Silicon Laboratories Si482x AM/FM/SW ATAD receiver
U2: Audio amplifier
Frequency scale: The analog display for tuning frequency
Control Interface:
VR1: Frequency tuning wheel.
VR2: Volume control wheel
S3,S4: The push buttons for volume control
S2: Band switch for FM, AM and SW
1 2 3 4 5 6 7 8 9 10 11 12
1: FM1 (87–108 MHz)
2: FM5 (64–87 MHz)
3: AM1 (520–1710 kHz)
4: AM2 (522–1620 kHz)
5:SW1 (5.6–6.4 MHz)
6:SW3 (6.8–7.6 MHz)
7:SW5 (9.2–10.0 MHz)
8:SW7 (11.45–12.25 MHz)
9:SW9 (13.4–14.2 MHz)
10:SW11 (15–15.9 MHz)
11:SW13 (17.1–18 MHz)
12:SW15 (21.2– 22 MHz)
4
Rev. 0.1