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PTFA220121M_15 Datasheet, PDF (5/21 Pages) Infineon Technologies AG – High Power RF LDMOS Field Effect Transistor 12 W, 28 V, 700 – 2200 MHz
PTFA220121M
Broadband Circuit Impedance
Frequency
MHz
720
820
869
894
920
940
960
1675
1805
1880
1930
1990
2110
2170
2300
2400
2500
2600
2700
Z Source 
R
jX
1.1
7.7
1.0
6.4
1.3
5.0
1.2
3.6
1.4
3.5
1.5
3.3
1.4
2.8
1.6
0.3
2.0
0.3
2.0
0.3
2.2
–0.9
2.6
–2.0
2.5
–3.1
2.0
–2.6
1.7
–1.7
2.2
–2.5
2.5
–4.5
2.4
–4.1
1.9
–3.1
Z Load 
R
jX
12.0
4.8
12.4
4.0
10.8
5.9
9.3
6.7
9.1
6.7
9.1
6.9
8.9
6.3
5.0
5.3
4.7
3.2
4.7
2.9
4.2
3.0
3.8
1.8
3.8
1.8
3.6
1.9
3.3
1.6
3.2
0.5
3.0
0.5
2.7
1.2
2.3
1.4
Z Source
720 MHz
Z Load
2700 MHz
720 MHz
Z Source
D
Z Load
G
S
Z0 = 50 
0.1
2700 MHz
Data Sheet
5 of 21
Rev. 10, 2015-10-23