SX1230
Integrated Transmitter IC
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
9.3. Phase Noise
The phase noise of the SX1230 is measured in the centre frequencies of the principal ISM bands below 1 GHz. The phase
noise is a function of frequency and varies from -104 dBc/Hz at 50 kHz offset at 315 MHz band to -96dBc/Hz at 50 kHz
offset at 915 MHz.
Figure 27. Typical SX1230 Phase Noise Measurement at 315 MHz (-104 dBc/Hz at 50 kHz).
Figure 28. Typical SX1230 Phase Noise Measurement at 434 MHz (-102 dBc/Hz at 50 kHz).
SX1230, Revision 2 May 2009
?2008 Semtech Corp.
Page 38
www.semtech.com
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