mrf89xa Microchip Technology Inc., mrf89xa Datasheet - Page 118

• Manufacturer Part Number: mrf89xa
• Description: Ultra-low Power, Integrated Ism Band Sub-ghz Transceiver
• Manufacturer: Microchip Technology Inc.

MRF89XA
5.4.2
FIGURE 5-8:
FIGURE 5-9:
DS70622B-page 118
Note:
-25
-100
SENSITIVITY VS. LO DRIFT
In FSK mode, the default filter setting (“A3” at address 0x16) is kept, leading to f
0x16, leading to (
the demodulator response and not the filter response.
-20
-80
FSK SENSITIVITY LOSS VS. LO DRIFT
OOK SENSITIVITY LOSS VS. LO DRIFT
-15
f
-60
c
–
f
o
) = 95 kHz typical. Both of these settings ensure that the channel filter is wide enough, therefore characterizing
-10
-40
-5
-20
Preliminary
LO Drift [kHz]
LO Drift [kHz]
-1.0
-1.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0
0
20
5
c
= 96 kHz typical. In OOK mode, “F3” is set at address
40
10
© 2010 Microchip Technology Inc.
60
15
80
20
100
25