MRF284 Datasheet, PDF (8/12 Pages) Motorola, Inc – RF Power Field-Effect Transistors

+ j0.2
0.0
– j0.2
+ j0.5
Zo = 1 Ω
0.2
0.5
+ j1
+ j2
+ j3
Zin
2 GHz
+ j5
f = 1.8 GHz
2 GHz
1
2
3
5
ZOL*
f = 1.8 GHz
+ j10
– j10
– j5
– j3
– j0.5
– j2
– j1
VCC = 26 V, ICQ = 200 mA, Pout = 15 Wavg
f
MHz
Zin(1)
Ω
ZOL*
Ω
1800
1860
1900
1960
2000
1.0 + j0.4
1.0 + j0.8
1.0 + j1.1
1.0 + j1.4
1.0 + j2.3
2.1 – j0.4
2.2 + j0.2
2.3 + j0.5
2.5 + j0.9
2.6 + j0.92
Zin(1)= Conjugate of fixture base terminal impedance.
ZOL* = Conjugate of the optimum load impedance at
given output power, voltage, bias current and
frequency.
Figure 14. Series Equivalent Input and Output Impedence
MRF284 MRF284S
8
MOTOROLA RF DEVICE DATA