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Part Name
Description
XE1202A View Datasheet(PDF) - Semtech Corporation
Part Name
Description
Manufacturer
XE1202A
433 MHz / 868 MHz / 915 MHz Low-Power, Integrated UHF Transceiver
Semtech Corporation
XE1202A Datasheet PDF : 32 Pages
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XE1202A TrueRF™
The Smith charts in Figure 14 and Figure 15 below show curves of output power versus load impedance when the
highest output level is selected (15 dBm mode):
15 dB m 869M H z
0 .5
0 .4
0 .3
0 .2
0 .1
0 .1
0 .2
0 .3
0 .4
0 .5
0 .6
0 .9
1
0 .8
1.2
1.4
1.6
1.8
2
2 .4
3
4
5
15 dBm
14 dBm
12 dBm
10
20
50
25.04
20
10
5
4
3
0 .8
0 .9
1
2
1.8
1.6
1.4
1.2
Figure 14: Output power versus load impedance at 868 MHz
0 .5
0 .4
0 .3
0 .2
0 .1
0 .1
0 .2
0 .3
0 .4
0 .5
0 .6
15 dB m 915M H z
0 .9
1
0 .8
1.2
1.4
1.6
1.8
2
2 .4
3
4
5
15 dB m
14 dB m
12 dB m
10
20
50
250.4
20
10
5
4
3
0 .8
0 .9
1
2
1.8
1.6
1.4
1.2
Figure 15: Output power versus load impedance at 915 MHz
© Semtech 2006
28
www.semtech.com
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