Data Sheet

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paths with star structure. The width of VBAT BB trace should be no less than 1mm, and the width of
VBAT RF trace should be no less than 2mm. In principle, the longer of the VBAT trace will be traced
as width as possible. In addition, in order to get a stable power source, Temolin is suggested to use
a 0.5W zener diode and place it close to the VBAT pins. The following figure shows the star
structure of the power supply.
Temolin M
100
100uF
100nF
33pF
100uF 100nF 33pF
VBAT
55/56
76/77
Figure : Star Structure of the Power Supply
5.3 Reference Design for Power Supply
Figure: Power Supply Reference Circuit
5.4 M101C Mini System
The M101C extend mini system must be used minimum 13 pin as following pins.