MRF19090 Datasheet, PDF (5/8 Pages) Motorola, Inc – RF POWER FIELD EFFECT TRANSISTORS

TYPICAL CHARACTERISTICS
40
η
35
IRL
30 V_DD = 26 Vdc
P_out = 90 W (PEP)
25 ^{IDQ = 750 mA}
100 kHz Tone Spacing
20
IMD
15
G_ps
10
1900
1920
1940
1960
1980
2000
f, FREQUENCY (MHz)
-10
-15
-20
-25
-30
-35
2020
Figure 3. Class AB Performance versus Frequency
35
-30
V_DD = 26 Vdc, I_DQ = 1.1 A, f = 1960 MHz, Channel Spacing
(Channel Bandwidth): 885 kHz (30 kHz), 1.25 MHz
30 _{(12.5 kHz), 2.25 MHz (1 MHz)}
-40
25 885 kHz
-50
2.25 MHz
20
9 Channel Forward
-60
1.25 MHz
η ^{Pilot:0, Paging:1, Traffic:8-13,}
15
Sync:32
-70
G_ps
10
-80
0
5
10
15
20
25
30
35
P_out, OUTPUT POWER (WATTS (Avg.))
Figure 4. CDMA Performance ACPR, Gain and
Drain Efficiency versus Output Power
-20
V_DD = 26 Vdc
-25 _{f = 1960 MHz}
100 kHz Tone Spacing
-30
-35
550 mA
-40
750 mA
-45
950 mA
-50
-55
1
10
100
P_out, OUTPUT POWER (WATTS) PEP
Figure 5. Third Order Intermodulation Distortion
versus Output Power
13
12.5
950 mA
12
750 mA
11.5
11
550 mA
10.5
10
1
V_DD = 26 Vdc
f = 1960 MHz
100 kHz Tone Spacing
10
100
P_out, OUTPUT POWER (WATTS) PEP
Figure 7. Power Gain versus Output Power
-20
V_DD = 26 Vdc
I_DQ = 750 mA
-30 _{f = 1960 MHz}
100 kHz Tone Spacing
-40
-50
5th Order
-60
3rd Order
7th Order
-70
1
10
100
P_out, OUTPUT POWER (WATTS) PEP
Figure 6. Intermodulation Products
versus Output Power
12.5
-22
P_out = 90 W (PEP)
I_DQ = 750 mA, f = 1960 MHz
-24
100 kHz Tone Spacing
12
-26
G_ps
-28
11.5
-30
IMD
-32
11
-34
-36
10.5
22
24
26
28
30
V_DD, DRAIN VOLTAGE (VOLTS)
-38
32
Figure 8. Third Order Intermodulation Distortion
and Gain versus Supply Voltage
MOTOROLA RF DEVICE DATA
MRF19090 MRF19090S MRF19090SR3
5