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MRF19045LR3_08 Datasheet, PDF (6/10 Pages) Freescale Semiconductor, Inc – RF Power Field Effect Transistors N-Channel Enhancement-Mode Lateral MOSFETs | |||
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TYPICAL CHARACTERISTICS
40
â 25
35
VDD = 26 Vdc
â 30
30
IDQ = 450 mA
f1 = 1960 MHz, f2 = 1960.1 MHz
â 35
25
â 40
20
â 45
15
Gps
â 50
10
â 55
IMD
5
â 60
η
0
â 65
0.1
1.0
10
100
Pout, OUTPUT POWER (WATTS PEP)
Figure 9. CW Two-Tone Power Gain, IMD and
Drain Efficiency versus Output Power
â 25
â30 VDD = 26 Vdc
f1 = 1960 MHz, f2 = 1960.1 MHz
â 35
350 mA
â 40
700 mA
â 45
â 50
550 mA
â 55
â 60
450 mA
â 65
â 70
0.1
1.0
10
100
Pout, OUTPUT POWER (WATTS PEP)
Figure 11. CW Two-Tone Intermodulation Distortion
versus Output Power
40
0
η
35
â5
30
VDD = 26 Vdc
IDQ = 450 mA
â 10
100 kHz Tone Spacing
25
IRL
â 15
20
â 20
15
Gps
â 25
10
IMD
â 30
5
â 35
1900
1930
1960
1990
2020
f, FREQUENCY (MHz)
Figure 10. CW Two-Tone Power Gain, Input Return Loss,
IMD and Drain Efficiency versus Frequency
16.0
15.5
700 mA
15.0
550 mA
14.5
450 mA
14.0
13.5
13.0
0.1
350 mA
1.0
VDD = 26 Vdc
f1 = 1960 MHz, f2 = 1960.1 MHz
10
100
Pout, OUTPUT POWER (WATTS PEP)
Figure 12. CW Two-Tone Power Gain versus
Output Power
â 20
â 30
VDD = 26 Vdc
IDQ = 450 mA
f1 = 1960 MHz, f2 = 1960.1 MHz
â 40
â 50
3rd Order
â 60
â 70
5th Order
â 80
7th Order
â 90
0.1
1.0
10
100
Pout, OUTPUT POWER (WATTS PEP)
Figure 13. CW Two-Tone Intermodulation Distortion Products
versus Output Power
MRF19045LR3 MRF19045LSR3
6
0
1.2288 MHz
â 10
Channel BW
â 20
âIM3 in
â 30
1.2288 MHz
Integrated BW
â 40
+IM3 in
1.2288 MHz
Integrated BW
â 50
â 60
â 70
âACPR in 30 kHz +ACPR in 30 kHz
Integrated BW
Integrated BW
â 80
â 90
â 100
â7.5 â6 â4.5 â3 â1.5 0 1.5 3 4.5
6 7.5
f, FREQUENCY (MHz)
Figure 14. 2 - Carrier N - CDMA Spectrum
RF Device Data
Freescale Semiconductor
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