MRF49XAT-I-ST Datasheet, PDF (76/102 Pages) Microchip Technology – ISM Band Sub-GHz RF Transceiver

MRF49XA
4.5 MRF49XA Schematic and Bill of
Materials
4.5.1 SCHEMATIC
FIGURE 4-5:
MRF49XA SCHEMATIC
+3.3V
C1
RSSIO
C4
1000 pF
INT/DIO
SDI
SCK
__
CS
S_{__}DO
I_{_}R_{_} O
FSEL
FINT
TP1
CLK
TP2
GND
___
RESET
U1
MRF49XA
1
__
16
SDI
INT/DIO
2
15
SCK
RSSIO
3 ^__
14
CS
VDD
4
13
5 ^_S_DO
RFN
12
IRO
6
___
RFP
11
FSK/DATAF/ SEL
7
___^V_^SS ₁₀
RCLKOUT/FCAP/FINT RESET
89
CLKOUT
RFXTL/EXTREF
X1
10 MHz
C2
0.01 uF
C3
2.2 uF
6.3V
+3.3V
L1
C5
C6
L2
L3
C7
J1
50Ω ANT
Freq.
433 MHz
868 MHz
915 MHz
C1
220 pF
47 pF
33 pF
L1
390 nH
100 nH
100 nH
L2
33 nH
8.2 nH
8.2 nH
L3
47 nH
22 nH
22 nH
C5
2.7 pF
1.2 pF
1.2 pF
C6
68 pF
27 pF
27 pF
C7
5.1 pF
2.7 pF
2.7 pF
DS70590C-page 76
Preliminary
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