CC2500 Datasheet, PDF (42/76 Pages) Texas Instruments – Single Chip Low Cost Low Power RF Transceiver

CC2500
25 Selectivity Graphs
Figure 17 to Figure 21 show the typical selectivity performance (adjacent and alternate rejection).
50
40
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10
0
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-10
Frequency offset [MHz]
Figure 17: Typical selectivity at 2.4 kbps. IF frequency is 273.9 kHz.
MDMCFG2.DEM_DCFILT_OFF = 1
40
35
30
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15
10
5
0
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
-5
-10
Fre quency offset [M Hz]
Figure 18: Typical selectivity at 10 kbps. IF frequency is 273.9 kHz.
MDMCFG2.DEM_DCFILT_OFF = 1
Preliminary Data Sheet (rev.1.1.) SWRS040
Page 42 of 77