XE1203 Datasheet, PDF (33/37 Pages) List of Unclassifed Manufacturers – Low-Power, integrated UHF transceiver

Data Sheet
XE1203
6 APPLICATION INFORMATION
6.1 MATCHING NETWORK OF THE RECEIVER
The schematic of the matching network at the input of the receiver is given below
SOURCE
CR3
CR1
LR1
CR2
RFA
XE1203
RFB
The typical component values of the matching circuit are given below.
Name
CR1
CR2
CR3
LR1
Typical Value
for 868 MHz
3.3 pF
1.5 pF
6.8 pF
22 nH
Typical Value
for 915 MHz
1.2 pF
1.2 pF
NC
27 nH
Tolerance
±5%
±5%
±5%
±5%
6.2 MATCHING NETWORK OF THE TRANSMITTER
The schematic of the matching network at the output of the transmitter is given below.
VDD
33
D0308-214