MRF19120 Datasheet, PDF (6/12 Pages) Motorola, Inc – RF POWER FIELD EFFECT TRANSISTORS

TYPICAL CHARACTERISTICS
13
1500 mA
12
1300 mA
1100 mA
1000 mA
11
10
750 mA
13
12
11
10
V_DD = 26 Vdc, I_DQ = 2 x 500 mA
9 Two-Tone, 100 kHz Tone Spacing
Output Power = 120 W PEP
8
50
G_ps
45
η
40
35
-24
2
V_SWR
-26
9 _{500 mA}
8
0.1
V_DD = 26 Vdc
f1 = 1990.0 MHz
f2 = 1990.1 MHz
1.0
10
100
P_out, OUTPUT POWER (WATTS) PEP
7
6
5
1930
-28
1.5
IMD
-30
1945
1960
1975
f, FREQUENCY (MHz)
-32
1
1990
Figure 3. Power Gain versus Output Power
Figure 4. Class AB Broadband Circuit
Performance
-20
V_DD = 26 Vdc
f1 = 1990.0 MHz
-30 f2 = 1990.1 MHz
-40
500 mA
-50
750 mA
-60
1100 mA
1000 mA
1500 mA
1300 mA
-70
0.1
1.0
10
100
P_out, OUTPUT POWER (WATTS) PEP
Figure 5. Intermodulation Distortion
versus Output Power
-20
V_DD = 26 Vdc
-30 ^{IDQ = 2 x 500 mA}
f1 = 1990.0 MHz
f2 = 1990.1 MHz
-40
-50
3rd Order
-60
-70
0.1
5th Order
7th Order
1.0
10
100
P_out, OUTPUT POWER (WATTS) PEP
Figure 6. Intermodulation Distortion
Products versus Output Power
13
80
12
G_ps
60
11
40
10
20
η
9
0
8
V_DD = 26 Vdc, I_DQ = 2 x 500 mA
Two-Tone, 100 kHz Tone Spacing
-20
7
-40
IMD
6
-60
5
0.1
1.0
-80
10
100
P_out, OUTPUT POWER (WATTS) PEP
Figure 7. Power Gain, Efficiency, and IMD
versus Output Power
14
40
G_ps
12
20
η
10
0
V_DD = 26 Vdc, I_DQ = 2 x 750 mA, f = 1990 MHz
8
CDMA 9 Channels Forward, Pilot:0, Paging1, Traffic:8-13, Sync:32
885 kHz @ 30 kHz BW, 1.25 MHz @ 12.5 kHz BW,
-20
2.25 MHz @ 1 MHz BW
6
-40
ACPR
2.25 MHz
885 kHz
4
-60
1.25 MHz
2
0.1
1.0
-80
10
100
P_out, OUTPUT POWER (WATTS) AVG.
Figure 8. Power Gain, Efficiency, and ACPR
versus Output Power
MRF19120 MRF19120S
6
MOTOROLA RF DEVICE DATA