sx1231h Semtech Corporation, sx1231h Datasheet - Page 78

• Manufacturer Part Number: sx1231h
• Description: Low Power Integrated Uhf Transceiver With On-chip +20dbm Pa
• Manufacturer: Semtech Corporation

Notes - Complete details on selected components are available in the reference design package, downloadable from the
Rev 1 - Oct 2011
ADVANCED COMMUNICATIONS & SENSING
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
- In very cost-sensitive and/or size-constrained applications where it is acceptable to degrade the receiver
sensitivity by approximately 2 dB, L5 and C14 can be omitted
C14
C15
C2
C3
C4
C5
C6
C7
22 pF
68 pF
22 pF
12 pF
12 pF
-
-
-
2.7 pF
8.2 pF
18 pF
33 pF
15 pF
12 pF
-
-
Page 78
6.8 nH
8.2 pF
6.8 pF
3.3 pF
5.6 pF
22 pF
(2)
-
-
5.6 nH
8.2 pF
6.8 pF
3.3 pF
5.6 pF
22 pF
(2)
-
-
COG
SX1231H
DATASHEET
www.semtech.com