User's Guide

LM940 HW Design Guide
1VV0301352 Rev. 2 Page 30 of 68 2017-07-19
Internal LDO for GNSS bias
The LDO for GNSS bias is applied inside the LM940 model.
The voltage supply come from LM940’s LDO to GNSS active antenna.
This table lists the LDO for GNSS bias of LM940.
LM940 Reference Voltage
Symbol Parameter Min Typ Max Unit
V
GNSS DC bias
Voltage of Internal LDO for GNSS bias 2.9 3.1 3.3 [V]
I
GNSS DC bias
Current of Internal LDO for GNSS bias - - 50 [mA]