
AFT09MS031NR1 AFT09MS031GNR1
13
RF Device Data
Freescale Semiconductor, Inc.
760--870 MHz BROADBAND REFERENCE CIRCUIT
Z
source
f = 760 MHz
f = 870 MHz
Z
o
=2Ω
Z
load
f = 760 MHz
f = 870 MHz
V
DD
= 13.6 Vdc, I
DQ
= 100 mA, P
out
=31WAvg.
f
MHz
Z
source
Ω
Z
load
Ω
760 0.85 -- j1.31 0.80 -- j0.92
770 0.80 -- j1.30 0.78 -- j0.88
780 0.75 -- j1.28 0.78 -- j0.85
790 0.69 -- j1.26 0.76 -- j0.81
800 0.65 -- j1.24 0.76 -- j0.78
810 0.59 -- j1.21 0.72 -- j0.75
820 0.55 -- j1.18 0.70 -- j0.73
830 0.51 -- j1.15 0.67 -- j0.70
840 0.46 -- j1.11 0.62 -- j0.66
850 0.42 -- j1.01 0.57 -- j0.62
860 0.39 -- j1.02 0.52 -- j0.57
870 0.36 -- j0.97 0.48 -- j0.52
Z
source
= Test c ircuit impedance as measured from
gate to ground.
Z
load
= Test c ircuit impedance as measured from
drain to ground.
Figure 14. Broadband Series Equivalent Source and Load Impedance — 760--870 MHz
Input
Matching
Network
Device
Under
Test
Output
Matching
Network
Z
source
Z
load
50 Ω
50 Ω