MRF5S4140HR3 Datasheet, PDF (12/20 Pages) Freescale Semiconductor, Inc – N-Channel Enhancement-Mode Lateral MOSFETs

f = 450 MHz
Z_source
f = 400 MHz
f = 450 MHz
Z_load
f = 400 MHz
Z_o = 5 Ω
V_DD = 28 Vdc, I_DQ = 1250 mA, P_out = 28 W Avg.
f
MHz
Z_source
W
Z_load
W
400
0.454 - j0.530
1.87 - j0.530
405
0.476 - j0.435
1.91 - j0.376
410
0.430 - j0.360
1.88 - j0.276
415
0.455 - j0.281
1.91 - j0.046
420
0.419 - j0.153
1.89 - j0.019
425
0.421 - j0.135
1.92 + j0.128
430
0.435 - j0.032
1.97 + j0.276
435
0.426 + j0.048
1.99 + j0.392
440
0.407 + j0.044
1.99 + j0.537
445
0.429 + j0.262
2.05 + j0.675
450
0.452 + j0.341
2.10 + j0.765
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 18. Series Equivalent Source and Load Impedance — 420 - 430 MHz
MRF5S4140HR3 MRF5S4140HSR3
RF Device Data
12
Freescale Semiconductor