User`s guide
Si47xx-EVB
30 Rev. 0.8
3.3. Hardware Setup for AM Receiver Test
Figure 21. Hardware Setup for AM Receiver Test (Si473x)
Instructions for Si473x daughtercards.
1. Connect the USB cable from PC to the EVB USB connector, J79. The USB connection will not only allow controlling of the
EVB, but will also provide power to the EVB.
2. Connect either the ferrite antenna or the airloop antenna board. The user also has the option of using the AM test input for
characterization by connecting the AM test input connector J1 to an RF generator source.
3. Connect an audio analyzer to the RCA output (connector J6) using an RCA cable for the analog audio output.
4. Connect an audio analyzer to the S/PDIF output (connector J30) using an optical cable.
5. Or, connect the headphone output to J24 on the daughtercard.
6. J19 and J30 S/PDIF connections are no longer supported on EVBs as of February 14, 2011.
Si473x
Daughterboard
RF
Generat or
Audio
Analyzer
PC
w/ USB
port
J28 or J26
RCA OUT
USB
FM IN
J6
J79
USB Cable
SMA Cable
RCA Cable
EXT pwr
USB pwr
EXT Jack
SW1
Terminal
Block (TB)
J76
J78
J44 J45
Jumpers
Setting
J41
TX
RX
TX
RX
DCLK
GPI O3
Note: J44 and J45 are
automatically configured in
EVB Rev1.3 and later
Si47xx
Baseboard
J24
RCA IN
J7
J19
J30
Opt ical
Cable
S/PDIF
OUT
J1