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Número de pieza
componentes Descripción
XE1203F Ver la hoja de datos (PDF) - Semtech Corporation
Número de pieza
componentes Descripción
Fabricante
XE1203F
433 MHz / 868 MHz / 915 MHz Low-Power, Integrated UHF Transceiver
Semtech Corporation
XE1203F Datasheet PDF : 36 Pages
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XE1203F
0.4
0.3
0.2
915 MHz – 15 dBm
1
0.8
1.2
0.6
1.6
2
3
0.1
0
0.1
0.2
0.3
0.5
15 dBm
1
1.4
2
0.1
14 dBm
0.2
0.3
0.4
12 dBm
3
0.6
0.8
1.2
1
2
1.6
Figure 22: Output power vs. load impedance at 915 MHz
The schematic of the recommended matching network at the output of the transmitter is shown in Figure 23 below.
The two
Π
-sections are used to provide harmonic filtering in order to satisfy FCC and ETSI regulations.
VDD
CT2
CT3
LT3
LT2
XE1203F
© Semtech 2007
Figure 23: Transmitter output network
33
www.semtech.com
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