MRF21125 Datasheet, PDF (6/12 Pages) Motorola, Inc – RF POWER FIELD EFFECT TRANSISTORS

TYPICAL CHARACTERISTICS
-20
3.84 MHz
-30
Channel BW
-40
-50
-60
-70
-80
-90
-100 _{-IM3 @}
-ACPR @ +ACPR @
3.84 MHz BW 3.84 MHz BW +IM3 @
-110 ^{3.84 MHz BW}
3.84 MHz BW
-120
f, FREQUENCY (MHz)
Figure 3. 2 Carrier (10 MHz spacing)
W–CDMA Spectrum
30
-20
V_DD = 28 Vdc, I_DQ = 1600 mA, f1 = 2.1125 GHz, f2 = 2.1225 GHz
25 ^{Channel Spacing (Channel Bandwidth): 10 MHz @ 3.84 MHz BW} -25
Peak/Avg. = 8.5 dB @ 0.01% Probability (CCDF)
20
-30
15
G_ps
η
-35
10
-40
5
IM3
-45
0
-50
ACPR
-5
-55
-10
-60
4
8
12 16 20 24 28 32
P_out, OUTPUT POWER (WATTS, AVG. (W-CDMA))
Figure 4. 2 Carrier W–CDMA ACPR, IM3,
Power Gain and Drain Efficiency versus
Output Power
176
160 ^VDD ^{= 28 Vdc}
144
I_DQ = 1600 mA
f = 2120 MHz
128
112
P_out
η
P1dB = 135 W
50
46
42
38
P3dB = 156 W ₃₄
96
30
80
26
64
22
48
18
32
G_ps
14
16
10
0
6
0
2
4
6
8
10 12 14 16
P_in, INPUT POWER (WATTS)
Figure 5. CW Performance
40
0
η
35
-5
30
IRL
25 ^{VDD = 28 Vdc}
P_out = 125 W (PEP)
20 IDQ = 1600 mA
Two-Tone Measurement, 10 MHz Tone Spacing
15
10
5
0
2080 2100
IMD
2120
2140
2160
f, FREQUENCY (MHz)
-10
-15
-20
G_ps
-25
-30
-35
-40
2180 2200
Figure 6. Broadband Linearity Performance
-25
V_DD = 28 Vdc
-30 f1 = 2.1125 GHz, f2 = 2.1225 GHz
Two-Tone Measurement, 10 MHz Tone Spacing
-35
-40
2000 mA
1000 mA
-45
1600 mA
-50
1300 mA
-55
-60
1
10
100
P_out, OUTPUT POWER (WATTS) PEP
Figure 7. Intermodulation Distortion versus
Output Power
14
2000 mA
1600 mA
13
1300 mA
1000 mA
12
11 V_DD = 28 Vdc
f1 = 2.1125 GHz, f2 = 2.1225 GHz
Two-Tone Measurement, 10 MHz Tone Spacing
10
1
10
100
P_out, OUTPUT POWER (WATTS) PEP
Figure 8. Power Gain versus Output Power
MRF21125 MRF21125S MRF21125SR3
6
MOTOROLA RF DEVICE DATA