SX1231
WIRELESS & SENSING PRODUCTS
Table 32 +17dBm BOM
DATASHEET
Designator
315 MHz
433 MHz
868 MHz
915 MHz
Type
C8, C9, C10, C13
C1
C11, C12
100 nF
10 nF
15 pF
X7R
X7R
COG
L1
1.5 nH
1.5 nH 2.2 nH
2.7 nH
L2
L3
L4
L5
C2
C3
C4
C5
C6
C7
C14
C15
33 nH
22 nH
33 nH
39 nH
22 pF
68 pF
-
22 pF
-
12 pF
-
12 pF
22 nH 22 nH
12 nH 5.6 nH
15 nH 5.6 nH
33 nH 120 nH
18 pF 8.2 pF
33 pF 22 pF
2.7 pF -
15 pF 6.8 pF
- -
8.2 pF 3.3 pF
- 5.6 pF
12 pF 6.8 nH
22 nH
5.6 nH
5.6 nH
120 nH
8.2 pF
22 pF
-
6.8 pF
-
3.3 pF
5.6 pF
5.6 nH
Wirewound air core
or multilayer (1)
COG
(2)
(2)
Notes - Complete details on selected components are available in the reference design package, down-loadable from the
Semtech website
- (1) Inductor values may change when using multilayer type components
- (2) An additional DC-cut capacitor (typ. 47pF) might be required with this matching topology and certain RF
switches
Rev. 7 - June 2013
Page 80
www.semtech.com
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