380--450 MHz UHF WIDEBAND REFERENCE CIRCUIT
Z = 5 Ω
o
f = 450 MHz
f = 380 MHz
Z
source
f = 380 MHz
f = 450 MHz
Z
load
V
= 13.6 Vdc, I = 10 mA, P = 31 W Avg.
DQ out
DD
f
Z
Z
load
source
MHz
380
390
400
410
420
430
440
450
Ω
Ω
1.57 + j1.94
1.66 + j2.07
1.74 + j2.16
1.79 + j2.20
1.79 + j2.21
1.74 + j2.21
1.62 + j2.23
1.45 + j2.29
2.53 -- j0.27
2.53 -- j0.26
2.56 -- j0.27
2.49 -- j0.29
2.38 -- j0.28
2.26 -- j0.24
2.11 -- j0.16
1.95 -- j0.05
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 16. UHF Wideband Series Equivalent Source and Load Impedance — 380--450 MHz
AFT05MS031NR1 AFT05MS031GNR1
RF Device Data
Freescale Semiconductor, Inc.
13
FREESCALE [ Freescale ]
