10
RF Device Data
Freescale Semiconductor, Inc.
MRF7S21170HR3 MRF7S21170HSR3
ALTERNATIVE PEAK TUNE LOAD PULL CHARACTERISTICS
36
P3dB = 53.56 dBm (226 W)
Pin, INPUT POWER (dBm)
VDD
=28Vdc,IDQ
= 1400 m, Pulsed CW
12
?sec(on), 10% Duty Cycle, f = 2140 MHz
56
54
52
37 3938
41
40
44
42
Actual
Ideal
P1dB = 52.75 dBm
(188 W)
57
55
51
43
P
out
, OUTPUT POWER (dBm)
P6dB = 53.89 dBm (244 W)
NOTE: Measured in a Peak Tuned Load Pull Fixture
53
58
59
60
61
35343332
Test Impedances per Compression Level
Zsource
?
Zload
?
P3dB
4.43 -- j11.85
0.81 -- j2.87
Figure 16. Pulsed CW Output Power
versus Input Power @ 28 V
36
P3dB = 54.65 dBm (290 W)
Pin, INPUT POWER (dBm)
VDD
=32Vdc,IDQ
= 1400 mA, Pulsed CW
12
?sec(on), 10% Duty Cycle, f = 2140 MHz
56
54
52
37 3938
4140
42
44
Actual
Ideal
P1dB = 53.54 dBm
(226 W)
57
55
43
P
out
, OUTPUT POWER (dBm)
P6dB = 54.88 dBm (307 W)
NOTE: Measured in a Peak Tuned Load Pull Fixture
53
58
59
60
61
62
353433
45
Test Impedances per Compression Level
Zsource
?
Zload
?
P3dB
4.43 -- j11.85
0.72 -- j2.87
Figure 17. Pulsed CW Output Power
versus Input Power @ 32 V