Revision 1.0 STD – February 2010
Page 14 of 31
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SX1233SKA
USER GUIDE
Figure 12: Irq Status Indicator
4.7 Antenna Switch Control Box
The Antenna Switch Control Box allows users to select the RF path between the SX1233 pins and the
SMA connectors of the board; as illustrated in figure 13. Practically, RX input and TX outputs could be
connected to either SMA connector according to the user’s selection. Pins 18 and 20 of the POD_IN
header allow external control of the switch logic.
Figure 13: Antenna Switch Control Window
