Si4710/11-B30
14
Rev. 1.1
2. Test Circuit
2.1. Test Circuit Schematic
Figure 9. Test Circuit Schematic
2.2. Test Circuit Bill of Materials
Table 11. Si4710/11 Test Circuit Bill of Materials
Component(s)
Value/Description
Supplier(s)
C1
Supply bypass capacitor, 22 nF, 20%, Z5U/X7R
Murata
C2, C3
AC Coupling Capacitor, 0.47 礔
Murata
C4
2 pF, ?05 pF, 06035JZR0AB
AVX
L1
120 nH inductor, Qmin = 30
Murata
R1
49.9 W, 5%
Murata
U1
Si4710/11 FM Radio Transmitter
Silicon Laboratories
0.47 礔
0.47 礔
C4
R1
U1
Si4710/11
NC
NC
RFGND
TXO
RST
RIN
DFS
DIN
GND
V
DD
SEN
SCLK
SDIO
1
2
3
4
5
15
14
13
12
11 7 8 9
RST
RCLK
C1
VBATTERY
2.7 to 5.5 V
V
IO
1.5 to 3.6 V
LIN
RIN
L1
120 nH
2 pF
22 nF
V
IO
50 W
V
TXOUT
C2
C3
Notes:
1. Si4710/11 is shown configured in I
2
C compatible bus mode.
2. GPO2/INT can be configured for interrupts with the powerup command.
3. To ensure proper operation and FM transmitter performance, follow the
guidelines in AN383: 3 mm x 3 mm QFN Universal Layout Guide.
Silicon Laboratories will evaluate schematics and layouts for qualified customers.
4. LIN, RIN line inputs must be ac-coupled.
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