User Guide

ME310G1 Hardware Design Guide

1VV0301588 Rev. 11 Page 55 of 91 2021-03-16

The electrical characteristics of the GPS_LNA_EN signal are:

Table 34: GPS_LNA_EN signal characteristics

Example of external antenna bias circuitry:

Figure 10: Antenna bias circuitry example

Pay attention to the maximum bias current in case of unwanted short circuit on the

antenna cable since the decoupling inductor can be damaged.

Level

Min

Max

Output High Level

1.6V

1.9V

Output Low Level

0.3V