English
Language : 

MRF6S18140HR3_09 Datasheet, PDF (6/12 Pages) Freescale Semiconductor, Inc – RF Power Field Effect Transistors N-Channel Enhancement-Mode Lateral MOSFETs
TYPICAL CHARACTERISTICS
-10
VDD = 28 Vdc, IDQ = 1200 mA
-20 f1 = 1838.75 MHz, f2 = 1841.25 MHz
Two-Tone Measurements
-30
3rd Order
-40
-50
-60
7th Order
5th Order
-70
1
10
100
400
Pout, OUTPUT POWER (WATTS) PEP
Figure 7. Intermodulation Distortion Products
versus Output Power
0
VDD = 28 Vdc, Pout = 140 W (PEP), IDQ = 1200 mA
-1 0 Two-Tone Measurements,
(f1 + f2)/2 = Center Frequency of 1840 MHz
-2 0
-3 0
IM3-U
-4 0
IM5-U IM3-L
IM5-L
-5 0
IM7-L
-6 0
1
IM7-U
10
100
TWO-T ONE SPACING (MHz)
Figure 8. Intermodulation Distortion Products
versus Tone Spacing
60
Ideal
59
P6dB = 53.90 dBm (245.47 W)
58
57 P3dB = 53.36 dBm (216.77 W)
56
55 P1dB = 52.6 dBm (182.64 W)
54
53
Actual
52
51
VDD = 28 Vdc, IDQ = 1200 mA
50
Pulsed CW, 12 μsec(on), 1% Duty Cycle
f = 1840 MHz
49
32 33 34 35 36 37 38 39 40 41 42 43 44
Pin, INPUT POWER (dBm)
Figure 9. Pulsed CW Output Power versus
Input Power
50
45
VDD = 28 Vdc, IDQ = 1200 mA
f1 = 1838.75 MHz, f2 = 1841.25 MHz
40 2-Carrier N-CDMA, 2.5 MHz Carrier
35 Spacing, 1.2288 MHz Channel
Bandwidth, PAR = 9.8 dB
30 @ 0.01% Probability (CCDF)
IM3
-30 _C
-20
25_C
-25
-30
85_C
-35
-40
25
-45
20
15 TC = -30_C
10
ηD
5
Gps
ACPR
-50
-55
85_C
25_C -60
-65
0
-70
1
10
100
Pout, OUTPUT POWER (WATTS) CW
Figure 10. 2-Carrier N-CDMA ACPR, IM3, Power Gain
and Drain Efficiency versus Output Power
MRF6S18140HR3 MRF6S18140HSR3
6
RF Device Data
Freescale Semiconductor