SI47XX-EVB Datasheet, PDF (27/164 Pages) Silicon Laboratories – Thank you for purchasing the Silicon Laboratories

Si47xx-EVB
2.2.6. Test Circuit Interfaces
Table 6 shows the test circuit interface connections for Si47xx EVBs.
Table 6. Si47xx Test Circuit Connections
EVB Kit Name
Receiver
AM/SW/LW
Test
Options
AM/SW/LW
Connections
FM Test
Options
FM Connections Audio Out
Audio Out
Test Options Connections
Audio In
Test
Options
Audio In
Connections
Si4705-X-EVB
Si4706-X-EVB
Si4707-B-EVB
Si4713-B-EVB*
Si4721-B-EVB
Si4731-X-EVB
Si4735-X-EVB
Si4737-X-EVB
Si4743-C-EVB
Si4749-C-EVB
Si4705
Si4706
Si4707
Si4713
Si4721
Si4731
Si4735
Si4737
Si4743
Si4749
None
None
None
None
None
AMI / SMA
AMI / SMA
AMI / SMA
AMI / BNC
None
None
None
None
None
None
J1 through
C13, remove
C8 for best
sensitivity
J1 through
C13, remove
C8 for best
sensitivity
J1 through
C13, remove
C8 for best
sensitivity
J4
None
FMI / SMA
LPI / SMA
FMI / SMA
LPI / SMA
FMI / SMA
LPI / SMA
FMI / SMA
LPI / SMA
FMI / SMA
FMI / SMA
FMI / SMA
FMI / BNC
FMI / SMA
J28 through C1.
Remove C9 for
best sensitivity
J1
J28 through C1.
Remove C9 for
best sensitivity
J1
J26
J1
J28 through C1.
Remove C9 for
best sensitivity
J1
J26 through C3.
Remove C12 for
best sensitivity
J26 through C3.
Remove C12 for
best sensitivity
J26 through C3.
Remove C12 for
best sensitivity
J4
J2
Unity Gain J6 (Baseboard)
Buffer / RCA
None
Unity Gain J6 (Baseboard)
Buffer / RCA
None
Unity Gain J6 (Baseboard)
Buffer / RCA
None
None
None
Unity Gain
Buffer / RCA
Unity Gain J6 (Baseboard) Unity Gain
Buffer / RCA
Buffer / RCA
Unity Gain J6 (Baseboard)
Buffer / RCA
None
Unity Gain J6 (Baseboard)
Buffer / RCA
None
Unity Gain J6 (Baseboard)
Buffer / RCA
None
Unity Gain J6 (Baseboard)
Buffer / RCA
None
None
None
None
None
None
None
J7
J7
None
None
None
None
None
*Note: The FM RF output will be available through the SMA connector J1. Refer to Table 7.
Table 7. FM Band Attenuation Factors
Frequency (MHz)
76
88
98
108
Attenuation (dB)
32.13
30.91
30
29.2
Rev. 0.8
27