RFM67W Datasheet, PDF (30/37 Pages) List of Unclassifed Manufacturers – ISM TRANSMITTER MODULE

RFM 67W
8.2. Power Output Flatness versus Temperature and Supply Voltage
The RFM67W reference design power output flatness as a function of voltage and temperature is shown below.
16.90
16.80
16.70
16.60
16.50
3.6 V, 25 C
3.3 V, 25 C
1.8 V, 25 C
3.6 V, 90 C
3.3 V, 90 C
1.8 V, 90 C
3.6 V, -45 C
3.3 V, -45 C
1.8 V, -45 C
16.40
16.30
862
863
864
865
866
867
868
869
870
871
Frequency (MHz)
Figure 25. Typical 17 dBm Output Power Flatness versus Supply Voltage and Temperature, Measured in the
868 MHz ISM Band
1 7.40
1 7.30
1 7.20
1 7.10
1 7.00
1 6.90
1 6.80
3.6 V, 25 C
3.3 V, 25 C
1.8 V, 25 C
3.6 V, 90 C
3.3 V, 90 C
1.8 V, 90 C
3.6 V, -45 C
3.3 V, -45 C
1.8 V, -45 C
1 6.70
1 6.60
900
905
910
915
92 0
92 5
93 0
Frequenc y (MHz)
Figure 26. Typical 17 dBm Output Power Flatness versus Supply Voltage and Temperature, Measured in the
915 MHz ISM band
30
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