MRF5S4140HR3 Datasheet, PDF (8/20 Pages) Freescale Semiconductor, Inc – N-Channel Enhancement-Mode Lateral MOSFETs

Z_o = 2 Ω
f = 490 MHz
f = 490 MHz
Z_source
Z_load
f = 440 MHz
f = 440 MHz
V_DD = 28 Vdc, I_DQ = 1250 mA, P_out = 28 W Avg.
f
MHz
Z_source
W
Z_load
W
440
0.359 - j1.19
1.35 - j0.870
445
0.389 - j1.11
1.31 - j0.743
450
0.379 - j1.03
1.34 - j0.641
455
0.360 - j0.959
1.32 - j0.539
460
0.355 - j0.873
1.31 - j0.420
465
0.352 - j0.773
1.30 - j0.274
470
0.350 - j0.710
1.29 - j0.173
475
0.350 - j0.628
1.28 - j0.044
480
0.356 - j0.540
1.29 + j0.090
485
0.355 - j0.473
1.29 + j0.195
490
0.345 - j0.388
1.28 + j0.313
Z_source = Test circuit impedance as measured from
gate to ground.
Z_load = Test circuit impedance as measured
from drain to ground.
Input
Matching
Network
Device
Under
Test
Output
Matching
Network
Z _source
Z _load
Figure 13. Series Equivalent Source and Load Impedance — 460 - 470 MHz
MRF5S4140HR3 MRF5S4140HSR3
RF Device Data
8
Freescale Semiconductor