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MRF7S35120HSR3 Datasheet, PDF (7/11 Pages) Freescale Semiconductor, Inc – RF Power Field Effect Transistor N-Channel Enhancement-Mode Lateral MOSFET | |||
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TYPICAL CHARACTERISTICS
14
43
13.5
42
ηD
13
41
Gps
12.5
40
12
11.5
â9
IRL
11
â18
10.5 VDD = 32 Vdc, IDQ = 150 mA, Pout = 120 W
Pulse Width = 100 μsec, Duty Cycle = 20%
10
3100 3150 3200 3250 3300 3350 3400
â27
â36
3450 3500
f, FREQUENCY (MHz)
Figure 13. Pulsed Power Gain, Drain Efficiency
and IRL versus Frequency
â28
21
â29
VDD = 32 Vdc, IDQ = 900 mA, f = 3500 MHz
SingleâCarrier OFDM 802.16d, 64 QAM 3/4
RCE
20
â30 4 Bursts, 7 MHz Channel Bandwidth, Input Signal
19
â31 PAR = 9.5 dB @ 0.01% Probability on CCDF
â32
18
ηD
17
â33
16
13.6
â34
15
13.4
â35
14
13.2
â36
Gps
13
13
â37
12
12.8
â38
11
12.6
41
41.5
42
42.5
43
43.5
44
Pout, OUTPUT POWER (dBm)
Figure 14. Single - Channel OFDM Relative Constellation Error,
Drain Efficiency and Gain versus Output Power
1010
109
108
107
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 = 32 Vdc, Pout = 120 W Peak, Pulse Width = 100 μsec,
Duty Cycle = 20%, and ηD = 40%.
MTTF calculator available at http://www.freescale.com/rf. Select
Software & Tools/Development Tools/Calculators to access MTTF
calculators by product.
Figure 15. MTTF versus Junction Temperature
RF Device Data
Freescale Semiconductor
MRF7S35120HSR3
7
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