MRF374A Datasheet, PDF (10/12 Pages) Motorola, Inc – RF POWER FIELD EFFECT TRANSISTOR

Freescale Semiconductor, Inc.
f = 470 MHz
Z_source
Z_o = 4 Ω
f = 470 MHz
Z_load
f = 860 MHz
f = 860 MHz
Z_o = 4 Ω
f = 845 MHz
Z_source
f = 875 MHz
f = 845 MHz
Z_load
f = 875 MHz
MRF374
V_DD = 28 V, I_DQ = 400 mA, P_out = 100 W PEP
f
MHz
Z_source
Ω
Z_load
Ω
470
5.79 + j0.97
4.54 – j2.82
660
4.52 – j0.50
4.21 – j3.04
860
3.16 – j3.73
3.86 – j3.44
MRF374A
V_DD = 32 V, I_DQ = 400 mA, P_out = 130 W PEP
f
MHz
Z_source
Ω
Z_load
Ω
845
3.33 – j2.42
4.56 – j2.86
860
3.03 – j2.39
4.22 – j3.16
875
2.73 – j3.10
3.87 – j3.52
Z_source = Test circuit impedance as measured from
gate to gate, balanced configuration.
Z_load = Test circuit impedance as measured
from drain to drain, balanced configuration.
Input
Matching
Network
Device
+ Under
Test
-
Z _source
-
+
Z _load
Output
Matching
Network
Figure 19. Series Equivalent Input and Output Impedance
MRF374A
10
MOTOROLA RF DEVICE DATA
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