Preliminary
information
MITSUBISHI SEMICONDUCTOR <GaAs MMIC>
MGF7169C
UHF BAND GaAs POWER AMPLIFIER
Vd dependence of Pin vs.Pout,Idt
35
1400
30
1200
25
Pout
20
1000
800
15
600
Idt
10
400
5
200
0
-12 -8
-4 0 4 8
Pin (dBm)
0
12 16
Vd=2.6V
Vd=3.0V
Vd=3.4V
Fin=1880MHz
Vg1=Vg2=-2.0V
CDMA evaluation
Vd dependence of Pin vs.Pout,Efficiency
35
70
30
60
25
Pout
50
20
40
15
Efficiency
30
10
20
5
10
0
-12 -8
-4 0 4 8
Pin (dBm)
0
12 16
Vd=2.6V
Vd=3.0V
Vd=3.4V
Fin=1880MHz
Vg1=Vg2=-2.0V
CDMA evaluation
MITSUBISHI ELECTRIC
(6/20)
Aug. '97