Datasheet

© 2009-2011 Microchip Technology Inc. Preliminary DS70590C-page 87
MRF49XA
Table 5-9 shows the optimal receiver BBBW and
transmitter deviation frequency (ΔfFSK) 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
1.2 kbps 2.4 kbps 4.8 kbps 9.6 kbps 19.2 kbps 38.4 kbps 57.6 kbps 115.2 kbps
BW
in kHz
BW – 67 BW – 67 BW – 67 BW – 67 BW – 67 BW – 134 BW – 134 BW – 200
ΔTX
in kHz
Δf
FSK – 45 ΔfFSK – 45 ΔfFSK – 45 ΔfFSK – 45 ΔfFSK – 45 ΔfFSK – 90 ΔfFSK – 90 ΔfFSK – 120