ALTERNATIVE PEAK TUNE LOAD PULL CHARACTERISTICS
V
DD
= 28 Vdc, I
DQ
= 1200 mA, Pulsed CW, 10
μsec(on),
10% Duty Cycle
58
57
P
out
, OUTPUT POWER (dBm)
56
55
54
53
52
51
50
49
48
47
27
28
29
30
31
32
33
34
35
36
37
38
f = 920 MHz
Actual
f = 940 MHz
f = 960 MHz
Ideal
P
in
, INPUT POWER (dBm)
NOTE: Load Pull Test Fixture Tuned for Peak P1dB Output Power @ 28 V
f
(MHz)
920
940
960
P1dB
Watts
229
214
219
dBm
53.6
53.3
53.4
Test Impedances per Compression Level
f
(MHz)
920
940
960
P1dB
P1dB
P1dB
Z
source
Ω
1.58 -- j2.40
1.77 -- j3.02
1.98 -- j3.46
Z
load
Ω
0.84 -- j1.69
0.76 -- j1.90
0.75 -- j1.51
Figure 12. Pulsed CW Output Power
versus Input Power @ 28 V
NOTE: Measurement made on a per side basis.
MRF8P9300HR6 MRF8P9300HSR6
RF Device Data
Freescale Semiconductor
9