Preliminary
information
MITSUBISHI SEMICONDUCTOR <GaAs MMIC>
MGF7169C
UHF BAND GaAs POWER AMPLIFIER
Vd dependence of Fin vs. Gain,Efficiency
35
50
Efficiency
30
40
25
Gain
30
20
1.84
1.86
1.88
1.90
Frequency (GHz)
20
1.92
Vd dependence of Fin vs. Gain,ACPR
25
-10
Vd=2.6V
Vd=3.0V
Vd=3.4V
Fin=1880MHz
Vg1=Vg2=-2.0V
CDMA evaluation
20
Gain
15
-20
ACPR
-30
10
1.84
1.86
1.88
1.90
Frequency (GHz)
-40
1.92
Vd=2.6V
Vd=3.0V
Vd=3.4V
Fin=1880MHz
Vg1=Vg2=-2.0V
CDMA evaluation
MITSUBISHI ELECTRIC
(9/20)
Aug. '97