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