MRF372R3 Datasheet, PDF (11/16 Pages) Freescale Semiconductor, Inc – RF Power Field-Effect Transistor

Z_o = 10 Ω
Z_source
f = 860 MHz
f = 470 MHz
Z_o = 10 Ω
f = 860 MHz
Z_load
f = 470 MHz
V_DD = 32 V, I_DQ = 1000 mA, P_out = 180 W PEP
f
MHz
Z_source
Ω
Z_load
Ω
470
4.46 - j2.57
4.88 - j3.50
560
6.40 + j1.06
5.45 - j0.07
660
7.84 + j0.14
8.13 + j0.73
760
6.67 + j0.46
8.27 - j1.00
860
6.25 + j0.31
7.52 + j0.02
Z_source = Test circuit impedance as measured from
gate to gate, balanced configuration.
Z_load = Test circuit impedance as measured
from drain to drain, balanced configuration.
Input
Matching
Network
Device
+ Under
Test
−
Z _source
−
+
Z _load
Output
Matching
Network
Figure 15. Broadband Series Equivalent Source and Load Impedance
RF Device Data
Freescale Semiconductor
MRF372R3 MRF372R5
11