RFFM6904 Datasheet, PDF (9/10 Pages) RF Micro Devices – 3.0V TO 4.2V, ISM BAND TRANSMIT/RECEIVE MODULE WITH DIVERSITY TRANSFER SWITCH

RFFM6904
LNA Gain versus Frequency (Low Gain Mode)
Over Temperature
2 ^{LNA VCC = 3.3V, LNAVREF =0V, LNA Select=High}
0
-2
Gain (dB) -4
-6
-40 C
25 C
85 C
-8
-10
900 902 904 906 908 910 912 914 916 918 920 922 924 926 928
Frequency (MHz)
LNA IIP3 versus Frequency (In High Gain Mode)
(Over Tempreture)
15
LNA V_CC and LNA V_REF=3.3V; LNA Sel=Low
10
5
IIP3 (dBm) 0
-5
-10
-15
902
912
Frequency (MHz)
-40 C
25 C
85 C
922
LNA Gain versus Frequency (High Gain Mode)
Over Temperature
LNA V_CC and LNA V_REF=3.3V; LNA Sel=Low
29
27
25
23
Gain (dB)
21
19
-40 C
17
25 C
85 C
15
900 902 904 906 908 910 912 914 916 918 920 922 924 926 928
Frequency (MHz)
LNA IIP3 Vs Frequency (Low Gain Mode)
(Over Temperature)
LNA VCC & LNA Vref = 3.3V; LNA Sel = High
30
28
26
24
22
IIP3 (dBm) 20
18
16
14
12
10
902
-40 C
25 C
85 C
912
922
Frequency (MHz)
DS120605
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