SI4844-B-DEMO Datasheet, PDF (2/18 Pages) Silicon Laboratories – Si4844-B DEMO BOARD USERS GUIDE

Si4844-B-DEMO
2. Overview
This manual describes the operation of the Silicon Labs Si4844 DEMO board Rev1.4, Mar 12, 2013. The Silicon
Laboratories Si4844-DEMO board is designed with the 24-pin SSOP packaged Si4844-B chip, the revolutionary
single chip AM/FM/SW receiver that integrates everything from antenna input to audio output and allows use of
common and economical potentiometers to do the frequency tuning. It provides a complete portable analog tune
digital display AM/FM/SW radio design. The LCD displays the tuning information. The Si4844-DEMO is designed
with 1-layer PCB, allowing the lowest cost without sacrificing the RF performance. The demo board works with two
AAA batteries and working voltage down to 2.0 V.
3. Description
Figure 1 and Figure 2 shows the physical layout of the board with key components indicated.
Figure 1. Si4844-DEMO Board Top Side in Time Mode
2
Rev. 0.1