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MRF338 Datasheet, PDF (4/6 Pages) Motorola, Inc – BROADBAND RF POWER TRANSISTOR NPN SILICON
512
470
500
450
ZOL*
f = 400 MHz
512 f = 400 MHz
500 Zin
450
470
Zo = ?? Ω
VCC = 28 V, Pout = 80 W
f
Zin
MHz
Ohms
ZOL*
Ohms
512 0.91 + j2.61 1.19 + j1.34
500 1.47 + j2.71 1.33 + j0.96
470 1.53 + j2.98 1.60 + j0.45
450 1.27 + j3.09 1.70 + j0.25
400 0.86 + j3.01 2.58 – j0.79
ZOL* = Conjugate of the optimum load impedance into
which the device output operates at a given output
power, voltage and frequency.
Figure 6. Series Equivalent Input/Output Impedance
MRF338
4
MOTOROLA RF DEVICE DATA