MRF19090 Datasheet, PDF (6/8 Pages) Motorola, Inc – RF POWER FIELD EFFECT TRANSISTORS

Z_OL*
f = 1930 MHz
1990 MHz
Z_in
1990 MHz
f = 1930 MHz
Z_o = 10 Ω
V_DD = 26 V, I_DQ = 750 mA, P_out = 90 Watts (PEP)
f
Z_in
MHz
Ω
Z_OL*
Ω
1930
4.5 + j6.1
1.1 + j4.5
1960
4.4 + j6.0
1.1 + j4.4
1990
4.3 + j6.1
1.1 + j4.3
Z_in = Complex conjugate of 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 9. Series Equivalent Input and Output Impedance
MRF19090 MRF19090S MRF19090SR3
6
MOTOROLA RF DEVICE DATA