mrf5s4140h Freescale Semiconductor, Inc, mrf5s4140h Datasheet - Page 16

• Manufacturer Part Number: mrf5s4140h
• Description: Rf Power Field Effect Transistors
• Manufacturer: Freescale Semiconductor, Inc

16
MRF5S4140HR3 MRF5S4140HSR3
Figure 23. Series Equivalent Source and Load Impedance — 489 - 499 MHz
Z
o
Z
Input
Matching
Network
= 2 Ω
source
Z
Z
source
load
MHz
469
474
479
484
489
494
499
504
509
514
519
f
f = 519 MHz
V
DD
= Test circuit impedance as measured from
= Test circuit impedance as measured
Z
= 28 Vdc, I
source
gate to ground.
from drain to ground.
0.454 - j0.742
0.510 - j0.637
0.467 - j0.581
0.495 - j0.513
0.495 - j0.457
0.478 - j0.360
0.505 - j0.295
0.502 - j0.249
0.502 - j0.048
0.499 + j0.002
0.502 + j0.003
f = 469 MHz
Z
Device
Under
Test
DQ
source
W
f = 519 MHz
= 1250 mA, P
f = 469 MHz
Z
load
out
1.08 - j0.129
1.12 + j0.043
1.07 + j0.160
1.09 + j0.294
1.12 + j0.430
1.16 + j0.573
1.18 + j0.586
1.11 + j0.653
1.07 + j0.810
= 28 W Avg.
1.03 + j1.01
1.03 + j1.10
Z
Z
load
load
W
Output
Matching
Network
Freescale Semiconductor
RF Device Data