SX1230-12SKA433 Semtech, SX1230-12SKA433 Datasheet - Page 41

• Manufacturer Part Number: SX1230-12SKA433
• Description: USB Kit - SX1230 433Mhz
• Manufacturer: Semtech

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