User`s guide

Si47xx-EVB
Rev. 0.8 31
Figure 22. Hardware Setup for AM Receiver Test (Si474x)
Instructions for Si474x daughtercards:
1. Connect the USB cable from PC to the EVB USB connector, J79. The USB connection will serve two purposes: supplying
the power to the EVB and controlling the EVB.
2. Connect a whip antenna to J4. The user has the option of using the AM test input for characterization by connecting the AM
test input connector J4 to an RF generator source through an antenna dummy.
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. J19 and J30 S/PDIF connections are no longer supported on EVBs as of February 14, 2011.
Si47xx
Baseboard
Si474x
Daughterboard
RF
Generator
Audio
Analyzer/
Amplifier
PC
w/ USB
port
RCA OUT
USB
J79
USB Cable
RCA Cable
EXT pwr
USB pwr
EXT Jack
SW1
Terminal
Block (TB)
J76
J77
AM IN
J6
J19
J30
S/PDIF
OUT
Optical Cable
J4
Antenna
Dummy
AM Test Setup