Si47xx-EVB
3.2. Hardware Setup for FM or Weather Band Receiver Test
RF
Generator
SMA Cable
Audio
Analyzer
RCA Cable
J28 or J26
J6
J7
FM IN
RCA OUT
RCA IN
Optical
Cable
J19
Si47xx
Jumpers
Daughterboard
Setting
S/PDIF
DCLK
TX
TX
OUT
GPIO3
J41
RX
J44 J45
RX
J30
Note: J44 and J45 are
automatically configured in
EVB Rev1.3 and later
J76
Si47xx
Baseboard
USB
EXT pwr
SW1
Terminal
Block (TB)
J79
USB pwr
J78
EXT Jack
USB Cable
PC
w/ USB
port
Figure 20. Hardware Setup for FM/Weather Band Receiver Test
Instructions for Si4704/05/06/2x/3x/8x daughtercards:
1. Connect the USB cable from PC to the EVB USB connector J79. The USB connection will serve as a dual purpose,
supplying the power to the EVB and controlling the EVB.
2. Connect an audio analyzer from the RCA output connector J6 using an RCA cable.
3. Connect an RF generator to the FM input SMA connector J28 or J26 using an SMA cable.
4. Connect an audio analyzer to the S/PDIF output connector, J30, using an optical cable.
5. To avoid possible sources of interference, please remove C9 or C12 (depending on the daughtercard). This will
disconnect the headphone circuit from the test circuit.
6. J19 and J30 S/PDIF connections are no longer supported on EVBs as of February 14, 2011.
Rev. 0.8
29
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