RFM64W Datasheet, PDF (21/75 Pages) List of Unclassifed Manufacturers – ISM TRANSCEIVER MODULE

ADVANCED COMMUNICATIONS & SENSING
RFM 64W
DATA
VR_PA
[V]
95 %
tVR_PA
95 %
tVR_PA
PA Output
power
60 dB
60 dB
t_{PA_OUT}
t_{PA_OUT}
Figure 10: PA Control
3.3.7.2. Optimum Load Impedance (value to confirm)
As the PA and the LNA front-ends in the RFM64W share the same Input/Output pin, they are internally matched
to approximately 50 Ω.
Pmax-1dB circle
Max Power
Zopt = 30+j25 Ω
Figure 11: Optimal Load Impedance Chart
Please refer to the reference design section for an optimized PA load setting.
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