mrf89xa Microchip Technology Inc., mrf89xa Datasheet - Page 117

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

5.4
5.4.1
FIGURE 5-6:
FIGURE 5-7:
© 2010 Microchip Technology Inc.
Note:
-100.0
-102.0
-104.0
-106.0
-90.0
-92.0
-94.0
-96.0
-98.0
-100.0
-102.0
-104.0
-106.0
-90.0
-92.0
-94.0
-96.0
-98.0
Typical Performance
Characteristics
902
SENSITIVITY FLATNESS
863
Measured in FSK mode only. OOK sensitivity characteristics will be similar. The sensitivity difference along the band remains inside
the ripple performance of the SAW filter (the nominal passband of the 869 MHz SAW filter is 868-870 MHz). The SAW filter ripple
response is referenced to its insertion loss at 869 MHz and 915 MHz for each filter.
904
SENSITIVITY ACROSS THE 869 MHz BAND
SENSITIVITY ACROSS THE 915 MHz BAND
906
864
908
865
910
912
Sensitivity
Preliminary
Frequency [MHz]
866
Frequency [MHz]
914
916
SAW Ripple
867
918
920
868
922
924
MRF89XA
869
DS70622B-page 117
926
870
928
14.0
12.0
10.0
8.0
6.0
4.0
2.0
0.0
-2.0
14.0
12.0
10.0
8.0
6.0
4.0
2.0
0.0
-2.0