Texas Instruments CC2500 - Selectivity

CC2500
S
WRS040
C
Page
48
of
89
25
Selectivity
Figure
22
to
Figure
26
show the typical selectivity performance (adjacent and alternate rejection).
-10
0
10
20
30
40
50
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
Frequency offset [MHz]
Selectivity [dB]
Figure
22
: Typical
S
electivity at 2.4
kBaud
. IF
F
requency is 273.9 kHz.
MDMCFG2.DEM_DCFILT_OFF
=
1
-10
-5
0
5
10
15
20
25
30
35
40
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
Frequency offset [M Hz]
Selectivity [dB]
Figure
23
: Typical
Selectivity at 10
kBaud
. IF F
requency is 273.9 kHz.
MDMCFG2.DEM_DCFILT_OFF
=
1