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MRF448 Datasheet, PDF (4/6 Pages) Motorola, Inc – RF POWER TRANSISTOR NPN SILICON | |||
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20
CP
16
12
RP
8
5000
VCC = 50 V
ICQ = 250 mA
Pout = 250 W PEP
4000
3000
2000
4
1000
0
1.5 2
4
7
0
10
15 20
30
f, FREQUENCY (MHz)
Figure 8. Output Resistance and Capacitance
versus Frequency
30
15
7.0
Zo = 10 â¦
4.0
f = 2.0 MHz
VCC = 50 V
ICQ = 150 mA
Pout = 250 W PEP
f
Zin
MHz
Ohms
2.0
4.50 â j1.40
4.0
3.10 â j1.80
7.0
1.70 â j1.75
15
0.80 â j1.25
30
0.60 â j0.75
Figure 9. Series Equivalent Impedance
MRF448
4
MOTOROLA RF DEVICE DATA
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