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MRF7S21110HR3 Datasheet, PDF (7/12 Pages) Freescale Semiconductor, Inc – RF Power Field Effect Transistors N-Channel Enhancement-Mode Lateral MOSFETs | |||
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TYPICAL CHARACTERISTICS
â10
VDD = 28 Vdc, IDQ = 1100 mA
â20 f1 = 2135 MHz, f2 = 2145 MHz
TwoâTone Measurements, 10 MHz Tone Spacing
â30
â40
3rd Order
â50
5th Order
â60
7th Order
â70
1
10
100
400
Pout, OUTPUT POWER (WATTS) PEP
Figure 7. Intermodulation Distortion Products
versus Output Power
0
VDD = 28 Vdc, Pout = 90 W (PEP), IDQ = 1100 mA
â10 TwoâTone Measurements
(f1 + f2)/2 = Center Frequency of 2140 MHz
â20
â30
IM3âL
â40
IM3âU
IM5âU
â50
IM7âU IM5âL
IM7âL
â60
1
10
100
TWOâTONE SPACING (MHz)
Figure 8. Intermodulation Distortion Products
versus Tone Spacing
1
60
Ideal
0
55
â1
50
â2 â1 dB = 31.27 W
45
â3 â2 dB = 45.15 W
â4
â5
20
40
â3 dB = 75 W
40
Actual
VDD = 28 Vdc, IDQ = 1100 mA
35
f = 2140 MHz, Input Signal PAR = 7.5 dB
30
60
80
100
Pout, OUTPUT POWER (WATTS)
Figure 9. Output Peak - to - Average Ratio
Compression (PARC) versus Output Power
0 VDD = 28 Vdc, IDQ = 1100 mA, f = 2140 MHz, SingleâCarrier
â10 WâCDMA, Input Signal PAR = 7.5 dB, ACPR @
±5 MHz Offset in 3.84 MHz Integrated Bandwidth
â20
Uncorrected, Upper and Lower
â30
DPD Corrected
â40 No Memory Correction
â50
â60
DPD Corrected
with Memory Correction
â70
36
38
40
42
44
46
48
50
Pout, OUTPUT POWER (dBm)
Figure 10. Digital Predistortion Correction versus
ACPR and Output Power
19
18 Gps
17
16
15
TC = â30_C
25_C
85_C
70
â30_C
25_C 60
85_C 50
40
30
14
13 ηD
12
1
20
VDD = 28 Vdc
IDQ = 1100 mA
10
f = 2140 MHz
0
10
100
300
Pout, OUTPUT POWER (WATTS) CW
Figure 11. Power Gain and Drain Efficiency
versus CW Output Power
RF Device Data
Freescale Semiconductor
MRF7S21110HR3 MRF7S21110HSR3
7
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