UM2231 Rev 6
15/26
UM2231
Front ends management
24
6.2 Active
antenna
To optimize the current during low power operating mode, the active antenna can be used
with a switch to cut the current flow.
Figure 10. Active antenna current switch control
To improve the functionality, a current limiter could be used in order to prevent any short
circuit on the antenna see
Figure 11
.
Figure 11. Active antenna current sense
