MRF1550NT1_08 Datasheet, PDF (6/18 Pages) Freescale Semiconductor, Inc – RF Power Field Effect Transistors

Z_o = 10 Ω
f = 175 MHz
Z_OL*
f = 135 MHz
f = 175 MHz
Z_in
f = 135 MHz
V_DD = 12.5 V, I_DQ = 500 mA, P_out = 50 W
f
Z_in
MHz
Ω
Z_OL*
Ω
135
4.1 + j0.5 1.0 + j0.6
155
4.2 + j1.7 1.2 + j.09
175
3.7 + j2.3 0.7 + j1.1
Z_in = Complex conjugate of source
impedance.
Z_OL* = Complex conjugate of the load
impedance at given output power,
voltage, frequency, and η_D > 50 %.
Input
Matching
Network
Device
Under Test
Output
Matching
Network
Z _in
Z _OL*
Figure 11. Series Equivalent Input and Output Impedance
MRF1550NT1 MRF1550FNT1
6
RF Device Data
Freescale Semiconductor