Maestro Wireless Solution A5100-A User Manual page 18

Gps/glonass receiver
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Remarks:
• External antenna input impedance is 50 Ω. Match as close as possible.
• A battery back-up circuit for the RTC (Real Time Clock) should be considered
(see chapter: "10.6 Battery Back-up")
• For self-start mode, full power operation will be activated once Vcc applied.
No power save mode (PTF / MPM / TP) will be supported. Customer can
toggle the ON_OFF pin so as to put the module into hibernation and then
remove the Vcc. A5100-A will be self-started again in full power mode when
Vcc applied.
V1.0-Mar-14
Figure 9: Self-start configuration A5100-A with Vbak
User's Manual
Page 18 of 43

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