N
O
T RE
CO
MMENDED F
O
R NEW DE
S
I
G
N
NOT RECOMMENDED FOR NEW DESIGN
MRF373ALR1 MRF373ALSR1
5
Freescale Semiconductor
RF Product Device Data
Figure 5. Series Equivalent Source and Load Impedance
f
MHz
Zsource
Ω
Zload
Ω
845
860
875
0.58 - j0.29
0.56 + j0.06
0.56 - j0.11
1.60 + j0.07
1.65 + j0.22
1.79 + j0.38
VDD
= 32 V, I
DQ
= 200 mA, P
out
= 75 W CW
Zo
= 2
Ω
f = 845 MHz
f = 875 MHz
f = 845 MHz
f = 875 MHz
Zsource
Zload
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
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