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MRF7S19170HR3 Datasheet, PDF (7/13 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 = 1400 mA
f1 = 1955 MHz, f2 = 1965 MHz
â20 TwoâTone Measurements, 10 MHz Tone Spacing
â30
â40 3rd Order
â50 5th Order
7th Order
â60
1
100
400
Pout, OUTPUT POWER (WATTS) PEP
Figure 7. Intermodulation Distortion Products
versus Output Power
0
â5 VDD = 28 Vdc, Pout = 170 W (PEP), IDQ = 1400 mA
â10
TwoâTone Measurements
(f1 + f2)/2 = Center Frequency of 1960 MHz
â15
â20
â25
IM3âU
â30
IM3âL
â35
IM5âU
â40
â45
IM5âL
â50 IM7âU
â55
IM7âL
â60
1
10
100
TWOâTONE SPACING (MHz)
Figure 8. Intermodulation Distortion Products
versus Tone Spacing
1
VDD = 28 Vdc, IDQ = 1400 mA
f = 1960 MHz, Input PAR = 7.5 dB
0
50
Ideal 45
â1
40
â1 dB = 45 W
â2
35
â2 dB = 62 W
â3
30
â3 dB = 84 W
Actual
â4
25
30 35 40 45 50 55 60 65 70 75 80 85 90
Pout, OUTPUT POWER (WATTS)
Figure 9. Output Peak - to - Average Ratio
Compression (PARC) versus Output Power
â20
VDD = 28 Vdc, IDQ = 1400 mA, f = 1960 MHz
SingleâCarrier WâCDMA, PAR = 7.5 dB, ACPR @
â30 5 MHz Offset in 3.84 MHz Integrated Bandwidth
Uncorrected, Upper and Lower
â40
DPD Corrected
No Memory Correction
â50
â60
DPD Corrected
with Memory Correction
â70
40 41 42 43 44 45 46 47 48 49 50
Pout, OUTPUT POWER (dBm)
Figure 10. Digital Predistortion Correction versus
ACPR and Output Power
19
18
17
Gps
16
TC = â30_C
25_C
85_C
90
â30_C
75
25_C
60
85_C
45
15
30
14
ηD
13
1
VDD = 28 Vdc
15
IDQ = 1400 mA
f = 1960 MHz
0
10
100
400
Pout, OUTPUT POWER (WATTS) CW
Figure 11. Power Gain and Drain Efficiency
versus CW Output Power
RF Device Data
Freescale Semiconductor
MRF7S19170HR3 MRF7S19170HSR3
7
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