MRF18085ALR3 Datasheet, PDF (5/8 Pages) Freescale Semiconductor, Inc – RF Power Field Effect Transistors

Z_o = 10 Ω
f = 1990 MHz
Z_load
f = 1710 MHz
f = 1990 MHz
f = 1710 MHz
Z_source
V_DD = 26 V, I_DQ = 800 mA, P_out = 85 W CW
f
MHz
Z_source
Ω
Z_load
Ω
1710
1785
1805
1880
1930
1960
1990
1.13 - j3.62
1.61 - j4.23
1.69 - j4.34
2.83 - j5.25
3.00 - j5.18
4.39 - j4.97
6.59 - j4.74
1.79 - j2.88
1.82 - j3.15
1.90 - j2.66
2.09 - j2.77
2.01 - j2.44
2.01 - j2.57
1.79 - j2.37
Z_source = Test circuit impedance as measured from
gate to ground.
Z_load = Test circuit impedance as measured
from drain to ground.
Input
Matching
Network
Device
Under Test
Output
Matching
Network
RF Device Data
Freescale Semiconductor
Z _source
Z _load
Figure 9. Series Equivalent Source and Load Impedance
MRF18085ALR3 MRF18085ALSR3
5