MRF49XA
Table 5-9 shows the optimal receiver BBBW and
transmitter deviation frequency ( Δ f FSK ) settings for
different data rates, considering no TX/RX offset
frequency. If the TX/RX offset (for example, due to
crystal tolerances) has to be taken into account,
increase the BW accordingly.
TABLE 5-9:
RX BW AND TX DEVIATION FREQUENCY FOR DIFFERENT BAUD RATES
Baud
Rate
BW
1.2 kbps
BW – 67
2.4 kbps
BW – 67
4.8 kbps
BW – 67
9.6 kbps
BW – 67
19.2 kbps
BW – 67
38.4 kbps
BW – 134
57.6 kbps
BW – 134
115.2 kbps
BW – 200
in kHz
Δ TX
in kHz
Δ f FSK – 45
Δ f FSK – 45
Δ f FSK – 45
Δ f FSK – 45
Δ f FSK – 45
Δ f FSK – 90
Δ f FSK – 90
Δ f FSK – 120
? 2009-2011 Microchip Technology Inc.
Preliminary
DS70590C-page 87
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