AR
C
HIVE INF
O
RMATI
O
N
A
RCHIVE INFORMATION
6
RF Device Data
Freescale Semiconductor
MRF18090AR3
VDD
=26V,IDQ
= 750 mA, Pout
= 90 Watts (CW)
Figure 10. Large Signal Source and Load Impedance
f = 1805 MHz
f = 1990 MHz
Zo
=10?
f = 1805 MHz
f = 1990 MHz
f
MHz
Zsource
?
Zload
?
1805
1880
1930
1.10 -- j5.85
2.05 -- j8.00
1.56 -- j6.75
1.15 -- j2.16
1.13 -- j2.60
1.30 -- j2.23
1990 2.30 -- j7.30 0.82 -- j2.90
Zsource
= Test circuit impedance as measured from
gate to ground.
Zload
= Test circuit impedance as measured
from drain to ground.
Zsource
Zload
Input
Matching
Network
Device
Under Test
Output
Matching
Network
Zsource
Zload
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