Datasheet

© 2009-2011 Microchip Technology Inc. Preliminary DS70590C-page 85
MRF49XA
5.2 Typical Performance
Characteristics
FIGURE 5-2: CHANNEL SELECTIVITY AND BLOCKING
(1,2)
0
10
20
30
40
50
60
70
80
0123456789101112
CW Interferer Offset with respect to Carrier (MHz)
Suppre ssi on (dB)
434 MHz
868 MHz
ET SI
Note 1: LNA gain maximum, filter bandwidth 67 kHz, data rate 9.6 kbps, AFC switched off, FSK
deviation ±45 kHz, VDD = 2.7V.
2: The ETSI limit given in the figure is drawn by taking -106 dBm at 9.6 kbps typical sensitivity
into account and corresponds to receiver class 2 requirements.