Si473x-B20
16 Rev. 0.5
4. Bill of Materials
Component(s) Value/Description Supplier
C1 Supply bypass capacitor, 22 nF, ±20%, Z5U/X7R Murata
C5 Coupling capacitor, 0.47 µF, ±20%, Z5U/X7R Murata
L1 Ferrite loop stick, 180
–450 µH Jiaxin
U1 Si473x AM/FM Radio Tuner Silicon Laboratories
Optional Components
T1 Transformer, 1–5 turns ratio Jiaxin, UMEC
L2 Air loop antenna, 10–20 µH Various
C2, C3 Crystal load capacitors, 22 pF, ±5%, COG
(Optional: for crystal oscillator option)
Venkel
X1 32.768 kHz crystal (Optional: for crystal oscillator option) Epson
R1 Resistor, 2 k(Optional: for digital audio) Venkel
R2 Resistor, 2 k(Optional: for digital audio) Venkel
R3 Resistor, 600 (Optional: for digital audio) Venkel
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