UBX-G7020 - Hardware Integration Manual
Design-in
GPS.G7-HW-10003 Objective Specification Page 29 of 74
If a 1.8V VDD_IO supply is used in conjunction with a 1.8V TCXO, the TCXO must not be supplied by
LDO_X_OUT. Instead the TCXO has to be supplied directly from VDD_IO, LDO_X_OUT is used to enable and
disable the TCXO respectively.
Figure 11: TCXO supplied and enabled by LDO_X_OUT
Figure 12: TCXO supplied by VDD_IO and enabled by LDO_X_OUT
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