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MRF6VP41KHSR6 Datasheet, PDF (6/13 Pages) Freescale Semiconductor, Inc – RF Power Field Effect Transistors
TYPICAL CHARACTERISTICS
65
60
TC = −30_C
25_C
85_C
55
50
VDD = 50 Vdc
45
IDQ = 150 mA
f = 450 MHz
40
Pulse Width = 100 μsec
Duty Cycle = 20%
35
20
25
30
35
40
45
Pin, INPUT POWER (dBm) PULSED
Figure 10. Pulsed Output Power versus
Input Power
22
100
21
VDD = 50 Vdc
IDQ = 150 mA
20 f = 450 MHz
TC = −30_C
90
80
19 Pulse Width = 100 μsec
Duty Cycle = 20%
18
17
Gps
85_C
70
60
25_C
50
16
40
15
ηD
30
14
20
13
10
12
0
1
10
100
1000 2000
Pout, OUTPUT POWER (WATTS) PULSED
Figure 11. Pulsed Power Gain and Drain Efficiency
versus Output Power
0.2
0.18
0.16 D = 0.7
0.14
0.12
D = 0.5
0.1
0.08
0.06
0.04
D = 0.1
0.02
0
0.00001 0.0001 0.001
0.01
PD t1
t2
D = Duty Factor = t1/t2
t1 = Pulse Width
t2 = Pulse Period
TJ = PD * ZJC + TC
0.1
1
10
RECTANGULAR PULSE WIDTH (S)
Figure 12. Maximum Transient Thermal Impedance
109
108
107
106
90
110 130 150 170 190 210 230 250
TJ, JUNCTION TEMPERATURE (°C)
This above graph displays calculated MTTF in hours when the device
is operated at VDD = 50 Vdc, Pout = 1000 W Peak, Pulse Width = 100 μsec,
Duty Cycle = 20%, and ηD = 64%.
MTTF calculator available at http://www.freescale.com/rf. Select
Software & Tools/Development Tools/Calculators to access MTTF
calculators by product.
Figure 13. MTTF versus Junction Temperature
MRF6VP41KHR6 MRF6VP41KHSR6
6
RF Device Data
Freescale Semiconductor