MRF373AR1 Datasheet, PDF (5/8 Pages) Motorola, Inc – RF POWER FIELD EFFECT TRANSISTORS

f = 845 MHz
Z_in
f = 875 MHz
Z_o = 2 Ω
f = 845 MHz
Z_OL* _{f = 875 MHz}
V_DD = 32 V, I_DQ = 200 mA, P_out = 75 W CW
f
Z_in
MHz
Ω
Z_OL*
Ω
845
0.58 + j0.29
1.60 – j0.07
860
0.56 + j0.11
1.65 – j0.22
875
0.56 – j0.06
1.79 – j0.38
Z_in = Complex conjugate of the source impedance.
Z_OL* = Complex conjugate of the optimum load
impedance at a given output power, voltage,
IMD, bias current and frequency.
Note: Z_OL* was chosen based on tradeoffs between gain, output
power, drain efficiency and intermodulation distortion.
Input
Matching
Network
Device
Under Test
Output
Matching
Network
Z _in
Z _OL*
Figure 5. Series Equivalent Input and Output Impedance
MOTOROLA RF DEVICE DATA
MRF373AR1 MRF373ASR1
5