SI4844-B20 Datasheet, PDF (13/27 Pages) Silicon Laboratories – BROADCAST ANALOG TUNING DIGITAL DISPLAY AM/FM/SW RADIO RECEIVER

3. Bill of Materials
Table 10. Si4844-B20 Bill of Materials
Component(s)
Value/Description
C1
Reset capacitor 0.1 µF, ±20%, Z5U/X7R
C4
Supply bypass capacitor, 0.1 µF, ±20%, Z5U/X7R
C5
Coupling capacitor, 0.47 µF, ±20%, Z5U/X7R
B1
Ferrite bead 2.5 k/100 MHz
VR1
Variable resistor (POT), 100 k, ±10%
U1
Si4844-B AM/FM/SW Analog Tune Digital Display Radio Tuner
ANT1
Ferrite stick,180–450 μH
Optional Components
C2, C3
Y1
Crystal load capacitors, 22 pF, ±5%, COG
(Optional: for crystal oscillator option)
32.768 kHz crystal (Optional: for crystal oscillator option)
ANT2
Air loop antenna, 10-20 μH
S1
Band switch
R1
Resistor, 203 k, ±1%
R2
Resistor, 50 k, ±1%
R3
Resistor, 180 k, ±1%
R4
Resistor, 67 k, ±1%
Si4844-B20
Supplier
Murata
Murata
Murata
Murata
Kennon
Silicon Laboratories
Jiaxin
Venkel
Epson or equivalent
various
Any, depends on customer
Venkel
Venkel
Venkel
Venkel
Rev. 1.0
13