English
Language : 

MRF7S21110HR3 Datasheet, PDF (7/12 Pages) Freescale Semiconductor, Inc – RF Power Field Effect Transistors N-Channel Enhancement-Mode Lateral MOSFETs
TYPICAL CHARACTERISTICS
−10
VDD = 28 Vdc, IDQ = 1100 mA
−20 f1 = 2135 MHz, f2 = 2145 MHz
Two−Tone Measurements, 10 MHz Tone Spacing
−30
−40
3rd Order
−50
5th Order
−60
7th Order
−70
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
−10 Two−Tone Measurements
(f1 + f2)/2 = Center Frequency of 2140 MHz
−20
−30
IM3−L
−40
IM3−U
IM5−U
−50
IM7−U IM5−L
IM7−L
−60
1
10
100
TWO−TONE SPACING (MHz)
Figure 8. Intermodulation Distortion Products
versus Tone Spacing
1
60
Ideal
0
55
−1
50
−2 −1 dB = 31.27 W
45
−3 −2 dB = 45.15 W
−4
−5
20
40
−3 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, Single−Carrier
−10 W−CDMA, Input Signal PAR = 7.5 dB, ACPR @
±5 MHz Offset in 3.84 MHz Integrated Bandwidth
−20
Uncorrected, Upper and Lower
−30
DPD Corrected
−40 No Memory Correction
−50
−60
DPD Corrected
with Memory Correction
−70
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 = −30_C
25_C
85_C
70
−30_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