SX1230
Integrated Transmitter IC
ADVANCED COMMUNICATIONS & SENSING
10
0
-10
Integrated Power = -21.42 dBm
-20
-30
-40
-50
-60
-70
Integrated Power = -23.28 dBm
DATASHEET
-10
-8
-6
-4
-2
0
2
4
6
8
10
Offset from Centre Frequency (kHz)
Figure 32. GMSK 6.25 kHz Channel Example. D f = 1.25 kHz, R b = 4.8 kbps (implies b = 0.5) and BT = 0.3.
10
0
-10
-20
-30
-40
-50
-60
-70
Integrated Power = -22.55 dBm
Integrated Power = -22.97 dBm
-20
-18
-16
-14
-12
-10
-8
-6
-4
-2
0
2
4
6
8
10
12
14
16
18
20
Offset from Centre Frequency (kHz)
Figure 33. GMSK 12.5 kHz Channel Example. D f = 2.5 kHz, R b = 9.6 kbps (implies b = 0.5) and BT = 0.3.
SX1230, Revision 2 May 2009
?2008 Semtech Corp.
Page 41
www.semtech.com
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